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
  1. 00:13:55.006 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@25aaee3f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2. 

  2. 00:14:05.012 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@29f67805 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3. 

  3. 00:14:15.014 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@11056a68 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4. 

  4. 00:14:15.015 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5. 

  5. 00:14:15.015 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30013ms (total=27, active=0, idle=27, waiting=0)
    6. 

  6. 00:14:15.015 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    7. 

  7. 00:14:25.847 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@76504d37 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    8. 

  8. 00:14:35.851 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6b790e91 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    9. 

  9. 00:14:45.855 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5bbe4f6a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    10. 

  10. 00:14:45.856 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    11. 

  11. 00:14:45.856 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=26, active=0, idle=26, waiting=0)
    12. 

  12. 00:14:45.856 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    13. 

  13. 00:14:45.859 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    14. 

  14. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=26, active=0, idle=26, waiting=0)] [n/a]
    15. 

  15. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    16. 

  16. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    17. 

  17. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    18. 

  18. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    19. 

  19. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    20. 

  20. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    21. 

  21. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    22. 

  22. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    23. 

  23. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    24. 

  24. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    25. 

  25. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    26. 

  26. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    27. 

  27. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    28. 

  28. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    29. 

  29. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    30. 

  30. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    31. 

  31. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    32. 

  32. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    33. 

  33. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    34. 

  34. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    35. 

  35. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    36. 

  36. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    37. 

  37. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    38. 

  38. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    39. 

  39. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    40. 

  40. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    41. 

  41. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    42. 

  42. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    43. 

  43. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    44. 

  44. 	at java.base/java.lang.Thread.run(Thread.java:833)
    45. 

  45. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=26, active=0, idle=26, waiting=0)] [n/a]
    46. 

  46. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    47. 

  47. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    48. 

  48. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    49. 

  49. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    50. 

  50. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    51. 

  51. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    52. 

  52. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    53. 

  53. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    54. 

  54. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    55. 

  55. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    56. 

  56. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    57. 

  57. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    58. 

  58. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    59. 

  59. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    60. 

  60. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    61. 

  61. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    62. 

  62. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    63. 

  63. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    64. 

  64. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    65. 

  65. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    66. 

  66. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    67. 

  67. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    68. 

  68. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    69. 

  69. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    70. 

  70. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    71. 

  71. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    72. 

  72. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    73. 

  73. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    74. 

  74. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    75. 

  75. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    76. 

  76. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    77. 

  77. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    78. 

  78. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    79. 

  79. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    80. 

  80. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    81. 

  81. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    82. 

  82. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    83. 

  83. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    84. 

  84. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    85. 

  85. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    86. 

  86. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    87. 

  87. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    88. 

  88. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    89. 

  89. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    90. 

  90. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    91. 

  91. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    92. 

  92. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    93. 

  93. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    94. 

  94. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    95. 

  95. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    96. 

  96. 	... 24 common frames omitted
    97. 

  97. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=26, active=0, idle=26, waiting=0)
    98. 

  98. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    99. 

  99. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    100. 

  100. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    101. 

  101. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    102. 

  102. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    103. 

  103. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    104. 

  104. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    105. 

  105. 	... 69 common frames omitted
    106. 

  106. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    107. 

  107. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    108. 

  108. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    109. 

  109. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    110. 

  110. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    111. 

  111. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    112. 

  112. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    113. 

  113. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    114. 

  114. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    115. 

  115. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    116. 

  116. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    117. 

  117. 	... 74 common frames omitted
    118. 

  118. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    119. 

  119. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    120. 

  120. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    121. 

  121. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    122. 

  122. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    123. 

  123. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    124. 

  124. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    125. 

  125. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    126. 

  126. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    127. 

  127. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    128. 

  128. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    129. 

  129. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    130. 

  130. 	... 77 common frames omitted
    131. 

  131. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    132. 

  132. 

  133. The last packet successfully received from the server was 1,807,981 milliseconds ago. The last packet sent successfully to the server was 1,808,031 milliseconds ago.
    134. 

  134. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    135. 

  135. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    136. 

  136. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    137. 

  137. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    138. 

  138. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    139. 

  139. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    140. 

  140. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    141. 

  141. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    142. 

  142. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    143. 

  143. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    144. 

  144. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    145. 

  145. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    146. 

  146. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    147. 

  147. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    148. 

  148. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    149. 

  149. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    150. 

  150. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    151. 

  151. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    152. 

  152. 	... 75 common frames omitted
    153. 

  153. Caused by: java.net.SocketTimeoutException: Read timed out
    154. 

  154. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    155. 

  155. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    156. 

  156. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    157. 

  157. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    158. 

  158. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    159. 

  159. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    160. 

  160. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    161. 

  161. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    162. 

  162. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    163. 

  163. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    164. 

  164. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    165. 

  165. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    166. 

  166. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    167. 

  167. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    168. 

  168. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    169. 

  169. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    170. 

  170. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    171. 

  171. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    172. 

  172. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    173. 

  173. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    174. 

  174. 	... 83 common frames omitted
    175. 

  175. 00:14:55.863 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6f30e248 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    176. 

  176. 00:15:11.137 [ForkJoinPool.commonPool-worker-11] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2719efe5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    177. 

  177. 00:15:21.140 [ForkJoinPool.commonPool-worker-11] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5a364abf (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    178. 

  178. 00:15:31.142 [ForkJoinPool.commonPool-worker-11] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6cb94c97 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    179. 

  179. 00:15:31.143 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    180. 

  180. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30007ms (total=9, active=0, idle=9, waiting=0)
    181. 

  181. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    182. 

  182. 	at java.base/java.util.Optional.map(Optional.java:260)
    183. 

  183. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    184. 

  184. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    185. 

  185. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    186. 

  186. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    187. 

  187. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    188. 

  188. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    189. 

  189. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    190. 

  190. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    191. 

  191. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    192. 

  192. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    193. 

  193. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    194. 

  194. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    195. 

  195. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    196. 

  196. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    197. 

  197. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    198. 

  198. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    199. 

  199. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    200. 

  200. 00:15:42.003 [ForkJoinPool.commonPool-worker-4] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4e999c6d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    201. 

  201. 00:15:52.007 [ForkJoinPool.commonPool-worker-4] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@551f5e36 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    202. 

  202. 00:16:02.008 [ForkJoinPool.commonPool-worker-4] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2370c92e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    203. 

  203. 00:16:02.009 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    204. 

  204. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30006ms (total=9, active=0, idle=9, waiting=0)
    205. 

  205. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    206. 

  206. 	at java.base/java.util.Optional.map(Optional.java:260)
    207. 

  207. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    208. 

  208. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    209. 

  209. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    210. 

  210. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    211. 

  211. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    212. 

  212. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    213. 

  213. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    214. 

  214. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    215. 

  215. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    216. 

  216. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    217. 

  217. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    218. 

  218. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    219. 

  219. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    220. 

  220. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    221. 

  221. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    222. 

  222. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    223. 

  223. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    224. 

  224. 00:37:11.268 [ForkJoinPool.commonPool-worker-2] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6c3c531 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    225. 

  225. 00:43:25.003 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@745e040c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    226. 

  226. 00:43:35.005 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1ef204b0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    227. 

  227. 00:43:45.008 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@74316d24 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    228. 

  228. 00:43:45.008 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    229. 

  229. 00:43:45.008 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=24, active=0, idle=24, waiting=0)
    230. 

  230. 00:43:45.008 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    231. 

  231. 00:44:10.004 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7967886f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    232. 

  232. 00:44:20.010 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7a167fc3 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    233. 

  233. 00:44:30.012 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@546cbba2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    234. 

  234. 00:44:30.012 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    235. 

  235. 00:44:30.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)
    236. 

  236. 00:44:30.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    237. 

  237. 00:44:30.013 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    238. 

  238. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    239. 

  239. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    240. 

  240. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    241. 

  241. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    242. 

  242. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    243. 

  243. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    244. 

  244. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    245. 

  245. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    246. 

  246. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    247. 

  247. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    248. 

  248. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    249. 

  249. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    250. 

  250. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    251. 

  251. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    252. 

  252. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    253. 

  253. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    254. 

  254. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    255. 

  255. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    256. 

  256. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    257. 

  257. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    258. 

  258. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    259. 

  259. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    260. 

  260. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    261. 

  261. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    262. 

  262. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    263. 

  263. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    264. 

  264. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    265. 

  265. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    266. 

  266. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    267. 

  267. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    268. 

  268. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    269. 

  269. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    270. 

  270. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    271. 

  271. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    272. 

  272. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    273. 

  273. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    274. 

  274. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    275. 

  275. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    276. 

  276. 	at java.base/java.lang.Thread.run(Thread.java:833)
    277. 

  277. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    278. 

  278. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    279. 

  279. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    280. 

  280. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    281. 

  281. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    282. 

  282. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    283. 

  283. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    284. 

  284. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    285. 

  285. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    286. 

  286. 	... 37 common frames omitted
    287. 

  287. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)
    288. 

  288. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    289. 

  289. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    290. 

  290. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    291. 

  291. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    292. 

  292. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    293. 

  293. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    294. 

  294. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    295. 

  295. 	... 40 common frames omitted
    296. 

  296. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    297. 

  297. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    298. 

  298. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    299. 

  299. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    300. 

  300. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    301. 

  301. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    302. 

  302. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    303. 

  303. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    304. 

  304. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    305. 

  305. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    306. 

  306. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    307. 

  307. 	... 45 common frames omitted
    308. 

  308. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    309. 

  309. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    310. 

  310. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    311. 

  311. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    312. 

  312. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    313. 

  313. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    314. 

  314. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    315. 

  315. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    316. 

  316. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    317. 

  317. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    318. 

  318. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    319. 

  319. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    320. 

  320. 	... 48 common frames omitted
    321. 

  321. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    322. 

  322. 

  323. The last packet successfully received from the server was 1,803,104 milliseconds ago. The last packet sent successfully to the server was 1,803,148 milliseconds ago.
    324. 

  324. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    325. 

  325. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    326. 

  326. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    327. 

  327. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    328. 

  328. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    329. 

  329. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    330. 

  330. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    331. 

  331. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    332. 

  332. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    333. 

  333. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    334. 

  334. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    335. 

  335. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    336. 

  336. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    337. 

  337. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    338. 

  338. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    339. 

  339. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    340. 

  340. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    341. 

  341. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    342. 

  342. 	... 46 common frames omitted
    343. 

  343. Caused by: java.net.SocketTimeoutException: Read timed out
    344. 

  344. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    345. 

  345. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    346. 

  346. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    347. 

  347. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    348. 

  348. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    349. 

  349. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    350. 

  350. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    351. 

  351. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    352. 

  352. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    353. 

  353. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    354. 

  354. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    355. 

  355. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    356. 

  356. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    357. 

  357. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    358. 

  358. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    359. 

  359. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    360. 

  360. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    361. 

  361. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    362. 

  362. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    363. 

  363. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    364. 

  364. 	... 54 common frames omitted
    365. 

  365. 00:44:40.019 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@72d5f7fe (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    366. 

  366. 00:44:50.023 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1c8e13e5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    367. 

  367. 00:45:00.850 [ForkJoinPool.commonPool-worker-3] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@69c61033 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    368. 

  368. 00:45:10.854 [ForkJoinPool.commonPool-worker-3] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1acfae6e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    369. 

  369. 00:45:20.856 [ForkJoinPool.commonPool-worker-3] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6b12a10e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    370. 

  370. 00:45:20.857 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    371. 

  371. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30009ms (total=5, active=0, idle=5, waiting=0)
    372. 

  372. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    373. 

  373. 	at java.base/java.util.Optional.map(Optional.java:260)
    374. 

  374. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    375. 

  375. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    376. 

  376. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    377. 

  377. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    378. 

  378. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    379. 

  379. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    380. 

  380. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    381. 

  381. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    382. 

  382. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    383. 

  383. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    384. 

  384. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    385. 

  385. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    386. 

  386. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    387. 

  387. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    388. 

  388. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    389. 

  389. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    390. 

  390. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    391. 

  391. 00:45:31.883 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2cff69b8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    392. 

  392. 00:45:41.887 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@49be651f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    393. 

  393. 01:13:10.003 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6f4bb2c8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    394. 

  394. 01:13:20.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@69d59a3c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    395. 

  395. 01:13:30.008 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@10fcbc4a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    396. 

  396. 01:13:30.010 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    397. 

  397. 01:13:30.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)
    398. 

  398. 01:13:30.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    399. 

  399. 01:13:30.010 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    400. 

  400. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    401. 

  401. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    402. 

  402. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    403. 

  403. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    404. 

  404. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    405. 

  405. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    406. 

  406. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    407. 

  407. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    408. 

  408. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    409. 

  409. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    410. 

  410. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    411. 

  411. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    412. 

  412. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    413. 

  413. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    414. 

  414. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    415. 

  415. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    416. 

  416. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    417. 

  417. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    418. 

  418. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    419. 

  419. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    420. 

  420. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    421. 

  421. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    422. 

  422. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    423. 

  423. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    424. 

  424. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    425. 

  425. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    426. 

  426. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    427. 

  427. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    428. 

  428. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    429. 

  429. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    430. 

  430. 	at java.base/java.lang.Thread.run(Thread.java:833)
    431. 

  431. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    432. 

  432. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    433. 

  433. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    434. 

  434. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    435. 

  435. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    436. 

  436. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    437. 

  437. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    438. 

  438. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    439. 

  439. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    440. 

  440. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    441. 

  441. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    442. 

  442. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    443. 

  443. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    444. 

  444. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    445. 

  445. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    446. 

  446. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    447. 

  447. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    448. 

  448. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    449. 

  449. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    450. 

  450. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    451. 

  451. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    452. 

  452. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    453. 

  453. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    454. 

  454. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    455. 

  455. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    456. 

  456. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    457. 

  457. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    458. 

  458. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    459. 

  459. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    460. 

  460. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    461. 

  461. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    462. 

  462. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    463. 

  463. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    464. 

  464. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    465. 

  465. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    466. 

  466. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    467. 

  467. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    468. 

  468. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    469. 

  469. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    470. 

  470. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    471. 

  471. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    472. 

  472. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    473. 

  473. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    474. 

  474. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    475. 

  475. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    476. 

  476. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    477. 

  477. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    478. 

  478. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    479. 

  479. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    480. 

  480. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    481. 

  481. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    482. 

  482. 	... 24 common frames omitted
    483. 

  483. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)
    484. 

  484. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    485. 

  485. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    486. 

  486. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    487. 

  487. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    488. 

  488. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    489. 

  489. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    490. 

  490. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    491. 

  491. 	... 69 common frames omitted
    492. 

  492. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    493. 

  493. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    494. 

  494. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    495. 

  495. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    496. 

  496. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    497. 

  497. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    498. 

  498. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    499. 

  499. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    500. 

  500. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    501. 

  501. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    502. 

  502. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    503. 

  503. 	... 74 common frames omitted
    504. 

  504. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    505. 

  505. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    506. 

  506. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    507. 

  507. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    508. 

  508. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    509. 

  509. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    510. 

  510. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    511. 

  511. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    512. 

  512. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    513. 

  513. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    514. 

  514. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    515. 

  515. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    516. 

  516. 	... 77 common frames omitted
    517. 

  517. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    518. 

  518. 

  519. The last packet successfully received from the server was 1,786,285 milliseconds ago. The last packet sent successfully to the server was 1,786,330 milliseconds ago.
    520. 

  520. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    521. 

  521. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    522. 

  522. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    523. 

  523. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    524. 

  524. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    525. 

  525. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    526. 

  526. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    527. 

  527. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    528. 

  528. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    529. 

  529. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    530. 

  530. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    531. 

  531. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    532. 

  532. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    533. 

  533. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    534. 

  534. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    535. 

  535. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    536. 

  536. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    537. 

  537. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    538. 

  538. 	... 75 common frames omitted
    539. 

  539. Caused by: java.net.SocketTimeoutException: Read timed out
    540. 

  540. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    541. 

  541. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    542. 

  542. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    543. 

  543. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    544. 

  544. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    545. 

  545. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    546. 

  546. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    547. 

  547. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    548. 

  548. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    549. 

  549. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    550. 

  550. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    551. 

  551. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    552. 

  552. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    553. 

  553. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    554. 

  554. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    555. 

  555. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    556. 

  556. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    557. 

  557. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    558. 

  558. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    559. 

  559. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    560. 

  560. 	... 83 common frames omitted
    561. 

  561. 01:13:40.016 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@665432b5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    562. 

  562. 01:13:50.020 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@d7c42a6 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    563. 

  563. 01:14:00.022 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@138678ba (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    564. 

  564. 01:14:00.023 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    565. 

  565. 01:14:00.023 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    566. 

  566. 01:14:00.023 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    567. 

  567. 01:14:10.026 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3be526b1 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    568. 

  568. 01:14:20.030 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1b86cadf (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    569. 

  569. 01:14:30.035 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@23ae67ab (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    570. 

  570. 01:14:30.036 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    571. 

  571. 01:14:30.036 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    572. 

  572. 01:14:30.036 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    573. 

  573. 01:14:30.036 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    574. 

  574. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    575. 

  575. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    576. 

  576. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    577. 

  577. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    578. 

  578. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    579. 

  579. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    580. 

  580. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    581. 

  581. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    582. 

  582. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    583. 

  583. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    584. 

  584. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    585. 

  585. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    586. 

  586. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    587. 

  587. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    588. 

  588. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    589. 

  589. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    590. 

  590. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    591. 

  591. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    592. 

  592. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    593. 

  593. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    594. 

  594. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    595. 

  595. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    596. 

  596. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    597. 

  597. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    598. 

  598. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    599. 

  599. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    600. 

  600. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    601. 

  601. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    602. 

  602. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    603. 

  603. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    604. 

  604. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    605. 

  605. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    606. 

  606. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    607. 

  607. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    608. 

  608. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    609. 

  609. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    610. 

  610. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    611. 

  611. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    612. 

  612. 	at java.base/java.lang.Thread.run(Thread.java:833)
    613. 

  613. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    614. 

  614. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    615. 

  615. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    616. 

  616. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    617. 

  617. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    618. 

  618. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    619. 

  619. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    620. 

  620. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    621. 

  621. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    622. 

  622. 	... 37 common frames omitted
    623. 

  623. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    624. 

  624. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    625. 

  625. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    626. 

  626. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    627. 

  627. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    628. 

  628. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    629. 

  629. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    630. 

  630. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    631. 

  631. 	... 40 common frames omitted
    632. 

  632. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    633. 

  633. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    634. 

  634. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    635. 

  635. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    636. 

  636. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    637. 

  637. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    638. 

  638. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    639. 

  639. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    640. 

  640. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    641. 

  641. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    642. 

  642. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    643. 

  643. 	... 45 common frames omitted
    644. 

  644. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    645. 

  645. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    646. 

  646. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    647. 

  647. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    648. 

  648. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    649. 

  649. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    650. 

  650. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    651. 

  651. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    652. 

  652. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    653. 

  653. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    654. 

  654. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    655. 

  655. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    656. 

  656. 	... 48 common frames omitted
    657. 

  657. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    658. 

  658. 

  659. The last packet successfully received from the server was 1,784,344 milliseconds ago. The last packet sent successfully to the server was 1,784,390 milliseconds ago.
    660. 

  660. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    661. 

  661. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    662. 

  662. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    663. 

  663. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    664. 

  664. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    665. 

  665. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    666. 

  666. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    667. 

  667. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    668. 

  668. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    669. 

  669. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    670. 

  670. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    671. 

  671. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    672. 

  672. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    673. 

  673. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    674. 

  674. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    675. 

  675. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    676. 

  676. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    677. 

  677. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    678. 

  678. 	... 46 common frames omitted
    679. 

  679. Caused by: java.net.SocketTimeoutException: Read timed out
    680. 

  680. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    681. 

  681. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    682. 

  682. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    683. 

  683. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    684. 

  684. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    685. 

  685. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    686. 

  686. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    687. 

  687. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    688. 

  688. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    689. 

  689. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    690. 

  690. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    691. 

  691. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    692. 

  692. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    693. 

  693. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    694. 

  694. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    695. 

  695. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    696. 

  696. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    697. 

  697. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    698. 

  698. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    699. 

  699. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    700. 

  700. 	... 54 common frames omitted
    701. 

  701. 01:14:40.437 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@65106552 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    702. 

  702. 01:14:51.237 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1e82ca16 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    703. 

  703. 01:15:01.240 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1b2af99a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    704. 

  704. 01:15:11.244 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@508c17cd (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    705. 

  705. 01:15:11.245 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    706. 

  706. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30010ms (total=9, active=0, idle=9, waiting=0)
    707. 

  707. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    708. 

  708. 	at java.base/java.util.Optional.map(Optional.java:260)
    709. 

  709. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    710. 

  710. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    711. 

  711. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    712. 

  712. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    713. 

  713. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    714. 

  714. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    715. 

  715. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    716. 

  716. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    717. 

  717. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    718. 

  718. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    719. 

  719. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    720. 

  720. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    721. 

  721. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    722. 

  722. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.helpComplete(ForkJoinPool.java:1223)
    723. 

  723. 	at java.base/java.util.concurrent.ForkJoinPool.helpComplete(ForkJoinPool.java:1915)
    724. 

  724. 	at java.base/java.util.concurrent.ForkJoinTask.awaitDone(ForkJoinTask.java:433)
    725. 

  725. 	at java.base/java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:687)
    726. 

  726. 	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateParallel(ForEachOps.java:159)
    727. 

  727. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateParallel(ForEachOps.java:173)
    728. 

  728. 	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
    729. 

  729. 	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
    730. 

  730. 	at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:765)
    731. 

  731. 	at com.scbfkj.uni.logs.Log.send(Log.java:407)
    732. 

  732. 	at jdk.internal.reflect.GeneratedMethodAccessor76.invoke(Unknown Source)
    733. 

  733. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    734. 

  734. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    735. 

  735. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    736. 

  736. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    737. 

  737. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    738. 

  738. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    739. 

  739. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    740. 

  740. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    741. 

  741. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    742. 

  742. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    743. 

  743. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    744. 

  744. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    745. 

  745. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    746. 

  746. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    747. 

  747. 	at java.base/java.lang.Thread.run(Thread.java:833)
    748. 

  748. 01:15:21.248 [ForkJoinPool.commonPool-worker-5] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4801af74 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    749. 

  749. 01:15:31.250 [ForkJoinPool.commonPool-worker-5] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4dfabc56 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    750. 

  750. 01:42:55.005 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@64ae16eb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    751. 

  751. 01:43:05.010 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@41cd721a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    752. 

  752. 01:43:15.012 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@59f6dc1e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    753. 

  753. 01:43:15.012 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    754. 

  754. 01:43:15.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=26, active=0, idle=26, waiting=0)
    755. 

  755. 01:43:15.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    756. 

  756. 01:43:25.276 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5303a662 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    757. 

  757. 01:43:35.279 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@514bf51e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    758. 

  758. 01:43:45.283 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@68740f7a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    759. 

  759. 01:43:45.283 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    760. 

  760. 01:43:45.283 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30012ms (total=26, active=0, idle=26, waiting=0)
    761. 

  761. 01:43:45.283 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    762. 

  762. 01:43:45.283 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    763. 

  763. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    764. 

  764. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    765. 

  765. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    766. 

  766. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    767. 

  767. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    768. 

  768. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    769. 

  769. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    770. 

  770. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    771. 

  771. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    772. 

  772. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    773. 

  773. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    774. 

  774. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    775. 

  775. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    776. 

  776. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    777. 

  777. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    778. 

  778. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    779. 

  779. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    780. 

  780. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    781. 

  781. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    782. 

  782. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    783. 

  783. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    784. 

  784. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    785. 

  785. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    786. 

  786. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    787. 

  787. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    788. 

  788. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    789. 

  789. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    790. 

  790. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    791. 

  791. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    792. 

  792. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    793. 

  793. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    794. 

  794. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    795. 

  795. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    796. 

  796. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    797. 

  797. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    798. 

  798. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    799. 

  799. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    800. 

  800. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    801. 

  801. 	at java.base/java.lang.Thread.run(Thread.java:833)
    802. 

  802. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30012ms (total=26, active=0, idle=26, waiting=0)] [n/a]
    803. 

  803. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    804. 

  804. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    805. 

  805. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    806. 

  806. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    807. 

  807. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    808. 

  808. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    809. 

  809. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    810. 

  810. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    811. 

  811. 	... 37 common frames omitted
    812. 

  812. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30012ms (total=26, active=0, idle=26, waiting=0)
    813. 

  813. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    814. 

  814. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    815. 

  815. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    816. 

  816. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    817. 

  817. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    818. 

  818. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    819. 

  819. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    820. 

  820. 	... 40 common frames omitted
    821. 

  821. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    822. 

  822. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    823. 

  823. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    824. 

  824. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    825. 

  825. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    826. 

  826. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    827. 

  827. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    828. 

  828. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    829. 

  829. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    830. 

  830. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    831. 

  831. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    832. 

  832. 	... 45 common frames omitted
    833. 

  833. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    834. 

  834. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    835. 

  835. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    836. 

  836. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    837. 

  837. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    838. 

  838. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    839. 

  839. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    840. 

  840. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    841. 

  841. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    842. 

  842. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    843. 

  843. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    844. 

  844. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    845. 

  845. 	... 48 common frames omitted
    846. 

  846. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    847. 

  847. 

  848. The last packet successfully received from the server was 1,789,766 milliseconds ago. The last packet sent successfully to the server was 1,789,810 milliseconds ago.
    849. 

  849. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    850. 

  850. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    851. 

  851. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    852. 

  852. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    853. 

  853. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    854. 

  854. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    855. 

  855. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    856. 

  856. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    857. 

  857. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    858. 

  858. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    859. 

  859. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    860. 

  860. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    861. 

  861. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    862. 

  862. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    863. 

  863. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    864. 

  864. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    865. 

  865. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    866. 

  866. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    867. 

  867. 	... 46 common frames omitted
    868. 

  868. Caused by: java.net.SocketTimeoutException: Read timed out
    869. 

  869. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    870. 

  870. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    871. 

  871. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    872. 

  872. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    873. 

  873. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    874. 

  874. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    875. 

  875. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    876. 

  876. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    877. 

  877. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    878. 

  878. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    879. 

  879. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    880. 

  880. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    881. 

  881. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    882. 

  882. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    883. 

  883. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    884. 

  884. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    885. 

  885. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    886. 

  886. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    887. 

  887. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    888. 

  888. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    889. 

  889. 	... 54 common frames omitted
    890. 

  890. 01:43:55.288 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3aaf1d2e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    891. 

  891. 01:44:05.292 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@735da4d5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    892. 

  892. 01:44:15.298 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@78753399 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    893. 

  893. 01:44:15.298 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    894. 

  894. 01:44:15.298 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30012ms (total=28, active=0, idle=28, waiting=0)
    895. 

  895. 01:44:15.298 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    896. 

  896. 01:44:15.299 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    897. 

  897. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30012ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    898. 

  898. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    899. 

  899. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    900. 

  900. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    901. 

  901. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    902. 

  902. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    903. 

  903. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    904. 

  904. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    905. 

  905. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    906. 

  906. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    907. 

  907. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    908. 

  908. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    909. 

  909. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    910. 

  910. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    911. 

  911. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    912. 

  912. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    913. 

  913. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    914. 

  914. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    915. 

  915. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    916. 

  916. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    917. 

  917. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    918. 

  918. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    919. 

  919. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    920. 

  920. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    921. 

  921. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    922. 

  922. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    923. 

  923. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    924. 

  924. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    925. 

  925. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    926. 

  926. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    927. 

  927. 	at java.base/java.lang.Thread.run(Thread.java:833)
    928. 

  928. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30012ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    929. 

  929. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    930. 

  930. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    931. 

  931. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    932. 

  932. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    933. 

  933. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    934. 

  934. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    935. 

  935. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    936. 

  936. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    937. 

  937. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    938. 

  938. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    939. 

  939. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    940. 

  940. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    941. 

  941. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    942. 

  942. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    943. 

  943. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    944. 

  944. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    945. 

  945. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    946. 

  946. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    947. 

  947. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    948. 

  948. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    949. 

  949. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    950. 

  950. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    951. 

  951. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    952. 

  952. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    953. 

  953. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    954. 

  954. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    955. 

  955. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    956. 

  956. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    957. 

  957. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    958. 

  958. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    959. 

  959. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    960. 

  960. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    961. 

  961. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    962. 

  962. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    963. 

  963. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    964. 

  964. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    965. 

  965. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    966. 

  966. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    967. 

  967. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    968. 

  968. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    969. 

  969. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    970. 

  970. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    971. 

  971. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    972. 

  972. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    973. 

  973. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    974. 

  974. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    975. 

  975. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    976. 

  976. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    977. 

  977. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    978. 

  978. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    979. 

  979. 	... 24 common frames omitted
    980. 

  980. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30012ms (total=28, active=0, idle=28, waiting=0)
    981. 

  981. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    982. 

  982. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    983. 

  983. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    984. 

  984. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    985. 

  985. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    986. 

  986. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    987. 

  987. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    988. 

  988. 	... 69 common frames omitted
    989. 

  989. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    990. 

  990. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    991. 

  991. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    992. 

  992. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    993. 

  993. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    994. 

  994. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    995. 

  995. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    996. 

  996. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    997. 

  997. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    998. 

  998. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    999. 

  999. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    1000. 

  1000. 	... 74 common frames omitted
    1001. 

  1001. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    1002. 

  1002. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    1003. 

  1003. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    1004. 

  1004. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1005. 

  1005. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1006. 

  1006. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1007. 

  1007. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1008. 

  1008. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1009. 

  1009. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1010. 

  1010. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    1011. 

  1011. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    1012. 

  1012. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    1013. 

  1013. 	... 77 common frames omitted
    1014. 

  1014. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1015. 

  1015. 

  1016. The last packet successfully received from the server was 1,783,287 milliseconds ago. The last packet sent successfully to the server was 1,783,330 milliseconds ago.
    1017. 

  1017. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    1018. 

  1018. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    1019. 

  1019. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1020. 

  1020. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1021. 

  1021. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1022. 

  1022. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1023. 

  1023. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1024. 

  1024. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1025. 

  1025. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    1026. 

  1026. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    1027. 

  1027. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    1028. 

  1028. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    1029. 

  1029. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    1030. 

  1030. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    1031. 

  1031. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    1032. 

  1032. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    1033. 

  1033. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    1034. 

  1034. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    1035. 

  1035. 	... 75 common frames omitted
    1036. 

  1036. Caused by: java.net.SocketTimeoutException: Read timed out
    1037. 

  1037. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    1038. 

  1038. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    1039. 

  1039. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    1040. 

  1040. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    1041. 

  1041. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    1042. 

  1042. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    1043. 

  1043. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    1044. 

  1044. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    1045. 

  1045. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    1046. 

  1046. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    1047. 

  1047. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    1048. 

  1048. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1049. 

  1049. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    1050. 

  1050. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1051. 

  1051. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1052. 

  1052. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1053. 

  1053. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1054. 

  1054. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1055. 

  1055. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1056. 

  1056. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    1057. 

  1057. 	... 83 common frames omitted
    1058. 

  1058. 01:44:25.450 [ForkJoinPool.commonPool-worker-10] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@24af7680 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1059. 

  1059. 01:44:35.451 [ForkJoinPool.commonPool-worker-10] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1c15bd05 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1060. 

  1060. 01:44:45.454 [ForkJoinPool.commonPool-worker-10] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@20b4de78 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1061. 

  1061. 01:44:45.455 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1062. 

  1062. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30007ms (total=7, active=0, idle=7, waiting=0)
    1063. 

  1063. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    1064. 

  1064. 	at java.base/java.util.Optional.map(Optional.java:260)
    1065. 

  1065. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    1066. 

  1066. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    1067. 

  1067. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    1068. 

  1068. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    1069. 

  1069. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    1070. 

  1070. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    1071. 

  1071. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    1072. 

  1072. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    1073. 

  1073. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    1074. 

  1074. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    1075. 

  1075. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    1076. 

  1076. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    1077. 

  1077. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    1078. 

  1078. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    1079. 

  1079. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    1080. 

  1080. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    1081. 

  1081. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    1082. 

  1082. 01:44:55.458 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6b4c5ee (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1083. 

  1083. 02:12:40.004 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5ce48a5d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1084. 

  1084. 02:12:50.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@63bf28c5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1085. 

  1085. 02:13:00.009 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3fb74915 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1086. 

  1086. 02:13:00.010 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1087. 

  1087. 02:13:00.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=28, active=0, idle=28, waiting=0)
    1088. 

  1088. 02:13:00.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1089. 

  1089. 02:13:10.319 [ForkJoinPool.commonPool-worker-4] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5eb3aa57 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1090. 

  1090. 02:13:20.321 [ForkJoinPool.commonPool-worker-4] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1f15d41a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1091. 

  1091. 02:13:30.325 [ForkJoinPool.commonPool-worker-4] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@18117ccc (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1092. 

  1092. 02:13:30.326 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1093. 

  1093. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30008ms (total=9, active=0, idle=9, waiting=0)
    1094. 

  1094. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    1095. 

  1095. 	at java.base/java.util.Optional.map(Optional.java:260)
    1096. 

  1096. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    1097. 

  1097. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    1098. 

  1098. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    1099. 

  1099. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    1100. 

  1100. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    1101. 

  1101. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    1102. 

  1102. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    1103. 

  1103. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    1104. 

  1104. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    1105. 

  1105. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    1106. 

  1106. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    1107. 

  1107. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    1108. 

  1108. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    1109. 

  1109. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    1110. 

  1110. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    1111. 

  1111. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    1112. 

  1112. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    1113. 

  1113. 02:13:40.331 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@343dde5f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1114. 

  1114. 02:13:50.335 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@30ef781e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1115. 

  1115. 02:14:00.339 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@23d7502f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1116. 

  1116. 02:14:00.339 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1117. 

  1117. 02:14:00.339 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    1118. 

  1118. 02:14:00.339 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1119. 

  1119. 02:14:00.339 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1120. 

  1120. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    1121. 

  1121. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    1122. 

  1122. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    1123. 

  1123. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    1124. 

  1124. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    1125. 

  1125. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    1126. 

  1126. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    1127. 

  1127. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1128. 

  1128. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    1129. 

  1129. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1130. 

  1130. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    1131. 

  1131. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1132. 

  1132. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    1133. 

  1133. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    1134. 

  1134. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    1135. 

  1135. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    1136. 

  1136. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1137. 

  1137. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1138. 

  1138. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    1139. 

  1139. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    1140. 

  1140. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    1141. 

  1141. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    1142. 

  1142. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    1143. 

  1143. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    1144. 

  1144. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    1145. 

  1145. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    1146. 

  1146. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    1147. 

  1147. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    1148. 

  1148. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    1149. 

  1149. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    1150. 

  1150. 	at java.base/java.lang.Thread.run(Thread.java:833)
    1151. 

  1151. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    1152. 

  1152. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    1153. 

  1153. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    1154. 

  1154. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    1155. 

  1155. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    1156. 

  1156. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    1157. 

  1157. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    1158. 

  1158. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    1159. 

  1159. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    1160. 

  1160. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    1161. 

  1161. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    1162. 

  1162. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    1163. 

  1163. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    1164. 

  1164. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    1165. 

  1165. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    1166. 

  1166. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    1167. 

  1167. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    1168. 

  1168. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    1169. 

  1169. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    1170. 

  1170. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    1171. 

  1171. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    1172. 

  1172. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    1173. 

  1173. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    1174. 

  1174. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    1175. 

  1175. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    1176. 

  1176. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    1177. 

  1177. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    1178. 

  1178. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    1179. 

  1179. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    1180. 

  1180. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    1181. 

  1181. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    1182. 

  1182. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1183. 

  1183. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1184. 

  1184. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    1185. 

  1185. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    1186. 

  1186. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    1187. 

  1187. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    1188. 

  1188. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    1189. 

  1189. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    1190. 

  1190. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    1191. 

  1191. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    1192. 

  1192. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    1193. 

  1193. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    1194. 

  1194. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1195. 

  1195. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    1196. 

  1196. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1197. 

  1197. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    1198. 

  1198. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    1199. 

  1199. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    1200. 

  1200. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1201. 

  1201. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    1202. 

  1202. 	... 24 common frames omitted
    1203. 

  1203. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    1204. 

  1204. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    1205. 

  1205. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    1206. 

  1206. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    1207. 

  1207. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    1208. 

  1208. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    1209. 

  1209. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    1210. 

  1210. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    1211. 

  1211. 	... 69 common frames omitted
    1212. 

  1212. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    1213. 

  1213. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    1214. 

  1214. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    1215. 

  1215. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    1216. 

  1216. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    1217. 

  1217. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    1218. 

  1218. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    1219. 

  1219. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    1220. 

  1220. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    1221. 

  1221. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    1222. 

  1222. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    1223. 

  1223. 	... 74 common frames omitted
    1224. 

  1224. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    1225. 

  1225. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    1226. 

  1226. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1227. 

  1227. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1228. 

  1228. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1229. 

  1229. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1230. 

  1230. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1231. 

  1231. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1232. 

  1232. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    1233. 

  1233. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    1234. 

  1234. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    1235. 

  1235. 	... 77 common frames omitted
    1236. 

  1236. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1237. 

  1237. 

  1238. The last packet successfully received from the server was 1,781,492 milliseconds ago. The last packet sent successfully to the server was 1,781,541 milliseconds ago.
    1239. 

  1239. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    1240. 

  1240. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1241. 

  1241. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1242. 

  1242. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1243. 

  1243. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1244. 

  1244. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1245. 

  1245. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1246. 

  1246. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    1247. 

  1247. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    1248. 

  1248. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    1249. 

  1249. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    1250. 

  1250. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    1251. 

  1251. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    1252. 

  1252. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    1253. 

  1253. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    1254. 

  1254. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    1255. 

  1255. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    1256. 

  1256. 	... 75 common frames omitted
    1257. 

  1257. Caused by: java.net.SocketTimeoutException: Read timed out
    1258. 

  1258. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    1259. 

  1259. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    1260. 

  1260. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    1261. 

  1261. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    1262. 

  1262. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    1263. 

  1263. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    1264. 

  1264. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    1265. 

  1265. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    1266. 

  1266. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    1267. 

  1267. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    1268. 

  1268. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    1269. 

  1269. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1270. 

  1270. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    1271. 

  1271. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1272. 

  1272. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1273. 

  1273. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1274. 

  1274. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1275. 

  1275. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1276. 

  1276. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1277. 

  1277. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    1278. 

  1278. 	... 83 common frames omitted
    1279. 

  1279. 02:14:11.005 [ForkJoinPool.commonPool-worker-14] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@280870ac (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1280. 

  1280. 02:14:21.007 [ForkJoinPool.commonPool-worker-14] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@41807d43 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1281. 

  1281. 02:14:31.009 [ForkJoinPool.commonPool-worker-14] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@36a4bc7e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1282. 

  1282. 02:14:31.010 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1283. 

  1283. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30008ms (total=9, active=0, idle=9, waiting=0)
    1284. 

  1284. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    1285. 

  1285. 	at java.base/java.util.Optional.map(Optional.java:260)
    1286. 

  1286. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    1287. 

  1287. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    1288. 

  1288. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    1289. 

  1289. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    1290. 

  1290. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    1291. 

  1291. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    1292. 

  1292. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    1293. 

  1293. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    1294. 

  1294. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    1295. 

  1295. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    1296. 

  1296. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    1297. 

  1297. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    1298. 

  1298. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    1299. 

  1299. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    1300. 

  1300. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    1301. 

  1301. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    1302. 

  1302. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    1303. 

  1303. 02:14:41.013 [ForkJoinPool.commonPool-worker-2] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@9f4132d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1304. 

  1304. 02:42:25.003 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@711c6492 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1305. 

  1305. 02:42:35.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7f52d3da (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1306. 

  1306. 02:42:45.009 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@142ee1a0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1307. 

  1307. 02:42:45.010 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1308. 

  1308. 02:42:45.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=26, active=0, idle=26, waiting=0)
    1309. 

  1309. 02:42:45.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1310. 

  1310. 02:42:56.005 [ForkJoinPool.commonPool-worker-3] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1d2ec3c0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1311. 

  1311. 02:43:06.009 [ForkJoinPool.commonPool-worker-3] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@47553c07 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1312. 

  1312. 02:43:16.011 [ForkJoinPool.commonPool-worker-3] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@69934446 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1313. 

  1313. 02:43:16.012 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1314. 

  1314. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30009ms (total=9, active=0, idle=9, waiting=0)
    1315. 

  1315. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    1316. 

  1316. 	at java.base/java.util.Optional.map(Optional.java:260)
    1317. 

  1317. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    1318. 

  1318. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    1319. 

  1319. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    1320. 

  1320. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    1321. 

  1321. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    1322. 

  1322. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    1323. 

  1323. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    1324. 

  1324. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    1325. 

  1325. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    1326. 

  1326. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    1327. 

  1327. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    1328. 

  1328. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    1329. 

  1329. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    1330. 

  1330. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    1331. 

  1331. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    1332. 

  1332. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    1333. 

  1333. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    1334. 

  1334. 02:43:26.015 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@d57a475 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1335. 

  1335. 02:43:36.018 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@15ce0692 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1336. 

  1336. 02:43:46.020 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@a1b2f35 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1337. 

  1337. 02:43:46.020 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1338. 

  1338. 02:43:46.020 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=27, active=0, idle=27, waiting=0)
    1339. 

  1339. 02:43:46.020 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1340. 

  1340. 02:43:56.026 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@59e173 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1341. 

  1341. 02:44:07.104 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@33915a5c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1342. 

  1342. 02:44:17.106 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@21019d84 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1343. 

  1343. 02:44:27.108 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3f00770c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1344. 

  1344. 02:44:27.109 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1345. 

  1345. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30005ms (total=9, active=0, idle=9, waiting=0)
    1346. 

  1346. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    1347. 

  1347. 	at java.base/java.util.Optional.map(Optional.java:260)
    1348. 

  1348. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    1349. 

  1349. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    1350. 

  1350. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    1351. 

  1351. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    1352. 

  1352. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    1353. 

  1353. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    1354. 

  1354. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    1355. 

  1355. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    1356. 

  1356. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    1357. 

  1357. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    1358. 

  1358. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    1359. 

  1359. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    1360. 

  1360. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    1361. 

  1361. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    1362. 

  1362. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    1363. 

  1363. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    1364. 

  1364. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    1365. 

  1365. 02:44:37.112 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1a59000c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1366. 

  1366. 03:11:55.003 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7482b9d1 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1367. 

  1367. 03:12:05.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5a349c7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1368. 

  1368. 03:12:15.009 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@12e24011 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1369. 

  1369. 03:12:15.010 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1370. 

  1370. 03:12:15.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)
    1371. 

  1371. 03:12:15.010 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1372. 

  1372. 03:12:25.244 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@c635589 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1373. 

  1373. 03:12:35.245 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@808fca5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1374. 

  1374. 03:12:45.249 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@42ea7c01 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1375. 

  1375. 03:12:45.250 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1376. 

  1376. 03:12:45.250 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=27, active=0, idle=27, waiting=0)
    1377. 

  1377. 03:12:45.250 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1378. 

  1378. 03:12:45.250 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1379. 

  1379. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    1380. 

  1380. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    1381. 

  1381. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    1382. 

  1382. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    1383. 

  1383. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    1384. 

  1384. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    1385. 

  1385. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    1386. 

  1386. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1387. 

  1387. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    1388. 

  1388. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1389. 

  1389. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    1390. 

  1390. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1391. 

  1391. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    1392. 

  1392. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1393. 

  1393. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    1394. 

  1394. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    1395. 

  1395. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    1396. 

  1396. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1397. 

  1397. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1398. 

  1398. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    1399. 

  1399. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    1400. 

  1400. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    1401. 

  1401. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    1402. 

  1402. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    1403. 

  1403. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1404. 

  1404. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1405. 

  1405. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    1406. 

  1406. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    1407. 

  1407. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    1408. 

  1408. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    1409. 

  1409. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    1410. 

  1410. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    1411. 

  1411. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    1412. 

  1412. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    1413. 

  1413. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    1414. 

  1414. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    1415. 

  1415. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    1416. 

  1416. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    1417. 

  1417. 	at java.base/java.lang.Thread.run(Thread.java:833)
    1418. 

  1418. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    1419. 

  1419. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    1420. 

  1420. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    1421. 

  1421. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    1422. 

  1422. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    1423. 

  1423. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    1424. 

  1424. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    1425. 

  1425. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    1426. 

  1426. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    1427. 

  1427. 	... 37 common frames omitted
    1428. 

  1428. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30009ms (total=27, active=0, idle=27, waiting=0)
    1429. 

  1429. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    1430. 

  1430. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    1431. 

  1431. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    1432. 

  1432. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    1433. 

  1433. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    1434. 

  1434. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    1435. 

  1435. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    1436. 

  1436. 	... 40 common frames omitted
    1437. 

  1437. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    1438. 

  1438. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    1439. 

  1439. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    1440. 

  1440. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    1441. 

  1441. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    1442. 

  1442. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    1443. 

  1443. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    1444. 

  1444. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    1445. 

  1445. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    1446. 

  1446. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    1447. 

  1447. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    1448. 

  1448. 	... 45 common frames omitted
    1449. 

  1449. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    1450. 

  1450. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    1451. 

  1451. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1452. 

  1452. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1453. 

  1453. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1454. 

  1454. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1455. 

  1455. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1456. 

  1456. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1457. 

  1457. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    1458. 

  1458. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    1459. 

  1459. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    1460. 

  1460. 	... 48 common frames omitted
    1461. 

  1461. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1462. 

  1462. 

  1463. The last packet successfully received from the server was 1,799,693 milliseconds ago. The last packet sent successfully to the server was 1,799,754 milliseconds ago.
    1464. 

  1464. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    1465. 

  1465. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1466. 

  1466. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1467. 

  1467. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1468. 

  1468. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1469. 

  1469. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1470. 

  1470. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1471. 

  1471. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    1472. 

  1472. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    1473. 

  1473. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    1474. 

  1474. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    1475. 

  1475. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    1476. 

  1476. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    1477. 

  1477. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    1478. 

  1478. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    1479. 

  1479. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    1480. 

  1480. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    1481. 

  1481. 	... 46 common frames omitted
    1482. 

  1482. Caused by: java.net.SocketTimeoutException: Read timed out
    1483. 

  1483. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    1484. 

  1484. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    1485. 

  1485. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    1486. 

  1486. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    1487. 

  1487. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    1488. 

  1488. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    1489. 

  1489. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    1490. 

  1490. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    1491. 

  1491. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    1492. 

  1492. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    1493. 

  1493. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    1494. 

  1494. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1495. 

  1495. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    1496. 

  1496. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1497. 

  1497. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1498. 

  1498. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1499. 

  1499. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1500. 

  1500. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1501. 

  1501. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1502. 

  1502. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    1503. 

  1503. 	... 54 common frames omitted
    1504. 

  1504. 03:12:55.255 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@39f0e46 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1505. 

  1505. 03:13:05.257 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6288039a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1506. 

  1506. 03:13:15.261 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@79e81e0a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1507. 

  1507. 03:13:15.261 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1508. 

  1508. 03:13:15.261 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=27, active=0, idle=27, waiting=0)
    1509. 

  1509. 03:13:15.261 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1510. 

  1510. 03:13:15.262 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1511. 

  1511. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    1512. 

  1512. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    1513. 

  1513. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    1514. 

  1514. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    1515. 

  1515. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    1516. 

  1516. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    1517. 

  1517. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    1518. 

  1518. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1519. 

  1519. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    1520. 

  1520. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1521. 

  1521. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    1522. 

  1522. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1523. 

  1523. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    1524. 

  1524. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    1525. 

  1525. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    1526. 

  1526. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    1527. 

  1527. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1528. 

  1528. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1529. 

  1529. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    1530. 

  1530. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    1531. 

  1531. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    1532. 

  1532. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    1533. 

  1533. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    1534. 

  1534. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    1535. 

  1535. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    1536. 

  1536. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    1537. 

  1537. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    1538. 

  1538. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    1539. 

  1539. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    1540. 

  1540. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    1541. 

  1541. 	at java.base/java.lang.Thread.run(Thread.java:833)
    1542. 

  1542. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    1543. 

  1543. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    1544. 

  1544. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    1545. 

  1545. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    1546. 

  1546. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    1547. 

  1547. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    1548. 

  1548. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    1549. 

  1549. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    1550. 

  1550. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    1551. 

  1551. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    1552. 

  1552. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    1553. 

  1553. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    1554. 

  1554. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    1555. 

  1555. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    1556. 

  1556. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    1557. 

  1557. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    1558. 

  1558. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    1559. 

  1559. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    1560. 

  1560. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    1561. 

  1561. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    1562. 

  1562. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    1563. 

  1563. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    1564. 

  1564. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    1565. 

  1565. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    1566. 

  1566. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    1567. 

  1567. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    1568. 

  1568. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    1569. 

  1569. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    1570. 

  1570. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    1571. 

  1571. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    1572. 

  1572. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    1573. 

  1573. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1574. 

  1574. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1575. 

  1575. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    1576. 

  1576. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    1577. 

  1577. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    1578. 

  1578. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    1579. 

  1579. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    1580. 

  1580. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    1581. 

  1581. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    1582. 

  1582. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    1583. 

  1583. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    1584. 

  1584. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    1585. 

  1585. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1586. 

  1586. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    1587. 

  1587. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1588. 

  1588. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    1589. 

  1589. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    1590. 

  1590. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    1591. 

  1591. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1592. 

  1592. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    1593. 

  1593. 	... 24 common frames omitted
    1594. 

  1594. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30008ms (total=27, active=0, idle=27, waiting=0)
    1595. 

  1595. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    1596. 

  1596. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    1597. 

  1597. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    1598. 

  1598. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    1599. 

  1599. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    1600. 

  1600. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    1601. 

  1601. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    1602. 

  1602. 	... 69 common frames omitted
    1603. 

  1603. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    1604. 

  1604. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    1605. 

  1605. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    1606. 

  1606. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    1607. 

  1607. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    1608. 

  1608. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    1609. 

  1609. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    1610. 

  1610. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    1611. 

  1611. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    1612. 

  1612. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    1613. 

  1613. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    1614. 

  1614. 	... 74 common frames omitted
    1615. 

  1615. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    1616. 

  1616. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    1617. 

  1617. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1618. 

  1618. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1619. 

  1619. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1620. 

  1620. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1621. 

  1621. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1622. 

  1622. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1623. 

  1623. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    1624. 

  1624. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    1625. 

  1625. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    1626. 

  1626. 	... 77 common frames omitted
    1627. 

  1627. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1628. 

  1628. 

  1629. The last packet successfully received from the server was 1,789,101 milliseconds ago. The last packet sent successfully to the server was 1,789,145 milliseconds ago.
    1630. 

  1630. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    1631. 

  1631. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1632. 

  1632. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1633. 

  1633. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1634. 

  1634. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1635. 

  1635. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1636. 

  1636. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1637. 

  1637. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    1638. 

  1638. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    1639. 

  1639. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    1640. 

  1640. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    1641. 

  1641. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    1642. 

  1642. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    1643. 

  1643. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    1644. 

  1644. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    1645. 

  1645. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    1646. 

  1646. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    1647. 

  1647. 	... 75 common frames omitted
    1648. 

  1648. Caused by: java.net.SocketTimeoutException: Read timed out
    1649. 

  1649. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    1650. 

  1650. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    1651. 

  1651. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    1652. 

  1652. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    1653. 

  1653. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    1654. 

  1654. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    1655. 

  1655. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    1656. 

  1656. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    1657. 

  1657. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    1658. 

  1658. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    1659. 

  1659. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    1660. 

  1660. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1661. 

  1661. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    1662. 

  1662. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1663. 

  1663. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1664. 

  1664. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1665. 

  1665. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1666. 

  1666. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1667. 

  1667. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1668. 

  1668. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    1669. 

  1669. 	... 83 common frames omitted
    1670. 

  1670. 03:13:25.442 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2f94b083 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1671. 

  1671. 03:13:35.446 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@292d0c24 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1672. 

  1672. 03:13:45.448 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@139f4d0c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1673. 

  1673. 03:13:45.449 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1674. 

  1674. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30008ms (total=9, active=0, idle=9, waiting=0)
    1675. 

  1675. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    1676. 

  1676. 	at java.base/java.util.Optional.map(Optional.java:260)
    1677. 

  1677. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    1678. 

  1678. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    1679. 

  1679. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    1680. 

  1680. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    1681. 

  1681. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    1682. 

  1682. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    1683. 

  1683. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    1684. 

  1684. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    1685. 

  1685. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    1686. 

  1686. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    1687. 

  1687. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    1688. 

  1688. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    1689. 

  1689. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    1690. 

  1690. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    1691. 

  1691. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    1692. 

  1692. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    1693. 

  1693. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    1694. 

  1694. 03:13:55.452 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1791bbb7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1695. 

  1695. 03:14:05.454 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@12c7f880 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1696. 

  1696. 03:41:10.003 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@69a2d334 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1697. 

  1697. 03:41:20.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4da619e2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1698. 

  1698. 03:41:30.011 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@500191c0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1699. 

  1699. 03:41:30.012 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1700. 

  1700. 03:41:30.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    1701. 

  1701. 03:41:30.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1702. 

  1702. 03:41:30.012 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1703. 

  1703. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    1704. 

  1704. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    1705. 

  1705. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    1706. 

  1706. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    1707. 

  1707. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    1708. 

  1708. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    1709. 

  1709. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    1710. 

  1710. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1711. 

  1711. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    1712. 

  1712. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1713. 

  1713. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    1714. 

  1714. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1715. 

  1715. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    1716. 

  1716. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1717. 

  1717. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    1718. 

  1718. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    1719. 

  1719. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    1720. 

  1720. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1721. 

  1721. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1722. 

  1722. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    1723. 

  1723. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    1724. 

  1724. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    1725. 

  1725. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    1726. 

  1726. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    1727. 

  1727. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1728. 

  1728. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1729. 

  1729. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    1730. 

  1730. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    1731. 

  1731. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    1732. 

  1732. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    1733. 

  1733. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    1734. 

  1734. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    1735. 

  1735. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    1736. 

  1736. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    1737. 

  1737. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    1738. 

  1738. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    1739. 

  1739. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    1740. 

  1740. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    1741. 

  1741. 	at java.base/java.lang.Thread.run(Thread.java:833)
    1742. 

  1742. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    1743. 

  1743. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    1744. 

  1744. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    1745. 

  1745. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    1746. 

  1746. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    1747. 

  1747. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    1748. 

  1748. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    1749. 

  1749. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    1750. 

  1750. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    1751. 

  1751. 	... 37 common frames omitted
    1752. 

  1752. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    1753. 

  1753. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    1754. 

  1754. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    1755. 

  1755. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    1756. 

  1756. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    1757. 

  1757. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    1758. 

  1758. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    1759. 

  1759. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    1760. 

  1760. 	... 40 common frames omitted
    1761. 

  1761. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    1762. 

  1762. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    1763. 

  1763. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    1764. 

  1764. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    1765. 

  1765. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    1766. 

  1766. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    1767. 

  1767. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    1768. 

  1768. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    1769. 

  1769. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    1770. 

  1770. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    1771. 

  1771. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    1772. 

  1772. 	... 45 common frames omitted
    1773. 

  1773. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    1774. 

  1774. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    1775. 

  1775. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1776. 

  1776. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1777. 

  1777. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1778. 

  1778. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1779. 

  1779. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1780. 

  1780. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1781. 

  1781. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    1782. 

  1782. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    1783. 

  1783. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    1784. 

  1784. 	... 48 common frames omitted
    1785. 

  1785. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1786. 

  1786. 

  1787. The last packet successfully received from the server was 1,766,060 milliseconds ago. The last packet sent successfully to the server was 1,766,111 milliseconds ago.
    1788. 

  1788. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    1789. 

  1789. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1790. 

  1790. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1791. 

  1791. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1792. 

  1792. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1793. 

  1793. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1794. 

  1794. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1795. 

  1795. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    1796. 

  1796. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    1797. 

  1797. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    1798. 

  1798. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    1799. 

  1799. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    1800. 

  1800. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    1801. 

  1801. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    1802. 

  1802. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    1803. 

  1803. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    1804. 

  1804. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    1805. 

  1805. 	... 46 common frames omitted
    1806. 

  1806. Caused by: java.net.SocketTimeoutException: Read timed out
    1807. 

  1807. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    1808. 

  1808. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    1809. 

  1809. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    1810. 

  1810. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    1811. 

  1811. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    1812. 

  1812. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    1813. 

  1813. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    1814. 

  1814. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    1815. 

  1815. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    1816. 

  1816. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    1817. 

  1817. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    1818. 

  1818. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1819. 

  1819. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    1820. 

  1820. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1821. 

  1821. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1822. 

  1822. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1823. 

  1823. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1824. 

  1824. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1825. 

  1825. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1826. 

  1826. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    1827. 

  1827. 	... 54 common frames omitted
    1828. 

  1828. 03:41:40.017 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@499d56d7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1829. 

  1829. 03:41:50.019 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@27704f9b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1830. 

  1830. 03:42:00.022 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6e2a2e2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1831. 

  1831. 03:42:00.023 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1832. 

  1832. 03:42:00.023 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    1833. 

  1833. 03:42:00.023 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1834. 

  1834. 03:42:10.029 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3b036527 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1835. 

  1835. 03:42:20.033 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2e086330 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1836. 

  1836. 03:42:30.037 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5fba739 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    1837. 

  1837. 03:42:30.038 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    1838. 

  1838. 03:42:30.038 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=28, active=0, idle=28, waiting=0)
    1839. 

  1839. 03:42:30.038 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    1840. 

  1840. 03:42:30.038 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    1841. 

  1841. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    1842. 

  1842. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    1843. 

  1843. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    1844. 

  1844. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    1845. 

  1845. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    1846. 

  1846. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    1847. 

  1847. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    1848. 

  1848. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1849. 

  1849. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    1850. 

  1850. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1851. 

  1851. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    1852. 

  1852. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1853. 

  1853. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    1854. 

  1854. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    1855. 

  1855. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    1856. 

  1856. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    1857. 

  1857. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1858. 

  1858. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1859. 

  1859. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    1860. 

  1860. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    1861. 

  1861. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    1862. 

  1862. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    1863. 

  1863. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    1864. 

  1864. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    1865. 

  1865. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    1866. 

  1866. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    1867. 

  1867. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    1868. 

  1868. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    1869. 

  1869. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    1870. 

  1870. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    1871. 

  1871. 	at java.base/java.lang.Thread.run(Thread.java:833)
    1872. 

  1872. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    1873. 

  1873. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    1874. 

  1874. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    1875. 

  1875. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    1876. 

  1876. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    1877. 

  1877. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    1878. 

  1878. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    1879. 

  1879. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    1880. 

  1880. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    1881. 

  1881. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    1882. 

  1882. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    1883. 

  1883. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    1884. 

  1884. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    1885. 

  1885. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    1886. 

  1886. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    1887. 

  1887. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    1888. 

  1888. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    1889. 

  1889. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    1890. 

  1890. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    1891. 

  1891. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    1892. 

  1892. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    1893. 

  1893. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    1894. 

  1894. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    1895. 

  1895. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    1896. 

  1896. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    1897. 

  1897. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    1898. 

  1898. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    1899. 

  1899. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    1900. 

  1900. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    1901. 

  1901. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    1902. 

  1902. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    1903. 

  1903. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    1904. 

  1904. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    1905. 

  1905. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    1906. 

  1906. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    1907. 

  1907. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    1908. 

  1908. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    1909. 

  1909. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    1910. 

  1910. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    1911. 

  1911. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    1912. 

  1912. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    1913. 

  1913. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    1914. 

  1914. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    1915. 

  1915. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1916. 

  1916. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    1917. 

  1917. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1918. 

  1918. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    1919. 

  1919. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    1920. 

  1920. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    1921. 

  1921. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    1922. 

  1922. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    1923. 

  1923. 	... 24 common frames omitted
    1924. 

  1924. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=28, active=0, idle=28, waiting=0)
    1925. 

  1925. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    1926. 

  1926. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    1927. 

  1927. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    1928. 

  1928. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    1929. 

  1929. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    1930. 

  1930. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    1931. 

  1931. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    1932. 

  1932. 	... 69 common frames omitted
    1933. 

  1933. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    1934. 

  1934. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    1935. 

  1935. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    1936. 

  1936. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    1937. 

  1937. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    1938. 

  1938. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    1939. 

  1939. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    1940. 

  1940. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    1941. 

  1941. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    1942. 

  1942. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    1943. 

  1943. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    1944. 

  1944. 	... 74 common frames omitted
    1945. 

  1945. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    1946. 

  1946. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    1947. 

  1947. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1948. 

  1948. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1949. 

  1949. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1950. 

  1950. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1951. 

  1951. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1952. 

  1952. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1953. 

  1953. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    1954. 

  1954. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    1955. 

  1955. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    1956. 

  1956. 	... 77 common frames omitted
    1957. 

  1957. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    1958. 

  1958. 

  1959. The last packet successfully received from the server was 1,797,744 milliseconds ago. The last packet sent successfully to the server was 1,797,787 milliseconds ago.
    1960. 

  1960. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    1961. 

  1961. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    1962. 

  1962. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    1963. 

  1963. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    1964. 

  1964. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    1965. 

  1965. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    1966. 

  1966. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    1967. 

  1967. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    1968. 

  1968. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    1969. 

  1969. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    1970. 

  1970. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    1971. 

  1971. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    1972. 

  1972. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    1973. 

  1973. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    1974. 

  1974. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    1975. 

  1975. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    1976. 

  1976. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    1977. 

  1977. 	... 75 common frames omitted
    1978. 

  1978. Caused by: java.net.SocketTimeoutException: Read timed out
    1979. 

  1979. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    1980. 

  1980. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    1981. 

  1981. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    1982. 

  1982. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    1983. 

  1983. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    1984. 

  1984. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    1985. 

  1985. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    1986. 

  1986. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    1987. 

  1987. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    1988. 

  1988. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    1989. 

  1989. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    1990. 

  1990. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    1991. 

  1991. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    1992. 

  1992. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    1993. 

  1993. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    1994. 

  1994. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    1995. 

  1995. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    1996. 

  1996. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    1997. 

  1997. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    1998. 

  1998. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    1999. 

  1999. 	... 83 common frames omitted
    2000. 

  2000. 03:42:40.670 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6a7454b2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2001. 

  2001. 03:42:50.672 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@98f9411 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2002. 

  2002. 03:43:00.676 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@62b2268f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2003. 

  2003. 03:43:00.677 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2004. 

  2004. 03:43:00.677 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=27, active=0, idle=27, waiting=0)
    2005. 

  2005. 03:43:00.677 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2006. 

  2006. 03:43:00.677 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2007. 

  2007. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    2008. 

  2008. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    2009. 

  2009. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    2010. 

  2010. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    2011. 

  2011. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    2012. 

  2012. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    2013. 

  2013. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    2014. 

  2014. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2015. 

  2015. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    2016. 

  2016. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2017. 

  2017. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    2018. 

  2018. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2019. 

  2019. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    2020. 

  2020. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2021. 

  2021. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    2022. 

  2022. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2023. 

  2023. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    2024. 

  2024. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2025. 

  2025. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2026. 

  2026. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    2027. 

  2027. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    2028. 

  2028. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2029. 

  2029. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    2030. 

  2030. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    2031. 

  2031. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2032. 

  2032. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2033. 

  2033. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    2034. 

  2034. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    2035. 

  2035. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    2036. 

  2036. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    2037. 

  2037. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    2038. 

  2038. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    2039. 

  2039. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    2040. 

  2040. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    2041. 

  2041. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    2042. 

  2042. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    2043. 

  2043. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    2044. 

  2044. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    2045. 

  2045. 	at java.base/java.lang.Thread.run(Thread.java:833)
    2046. 

  2046. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30007ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    2047. 

  2047. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    2048. 

  2048. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    2049. 

  2049. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    2050. 

  2050. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    2051. 

  2051. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    2052. 

  2052. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    2053. 

  2053. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    2054. 

  2054. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    2055. 

  2055. 	... 37 common frames omitted
    2056. 

  2056. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30007ms (total=27, active=0, idle=27, waiting=0)
    2057. 

  2057. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    2058. 

  2058. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    2059. 

  2059. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    2060. 

  2060. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    2061. 

  2061. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    2062. 

  2062. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    2063. 

  2063. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    2064. 

  2064. 	... 40 common frames omitted
    2065. 

  2065. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    2066. 

  2066. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    2067. 

  2067. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    2068. 

  2068. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    2069. 

  2069. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    2070. 

  2070. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    2071. 

  2071. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    2072. 

  2072. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    2073. 

  2073. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    2074. 

  2074. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    2075. 

  2075. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    2076. 

  2076. 	... 45 common frames omitted
    2077. 

  2077. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    2078. 

  2078. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    2079. 

  2079. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2080. 

  2080. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2081. 

  2081. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2082. 

  2082. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2083. 

  2083. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2084. 

  2084. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2085. 

  2085. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    2086. 

  2086. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    2087. 

  2087. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    2088. 

  2088. 	... 48 common frames omitted
    2089. 

  2089. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    2090. 

  2090. 

  2091. The last packet successfully received from the server was 1,794,944 milliseconds ago. The last packet sent successfully to the server was 1,794,987 milliseconds ago.
    2092. 

  2092. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    2093. 

  2093. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2094. 

  2094. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2095. 

  2095. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2096. 

  2096. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2097. 

  2097. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2098. 

  2098. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2099. 

  2099. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    2100. 

  2100. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    2101. 

  2101. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    2102. 

  2102. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    2103. 

  2103. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    2104. 

  2104. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    2105. 

  2105. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    2106. 

  2106. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    2107. 

  2107. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    2108. 

  2108. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    2109. 

  2109. 	... 46 common frames omitted
    2110. 

  2110. Caused by: java.net.SocketTimeoutException: Read timed out
    2111. 

  2111. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    2112. 

  2112. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    2113. 

  2113. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    2114. 

  2114. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    2115. 

  2115. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    2116. 

  2116. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    2117. 

  2117. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    2118. 

  2118. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    2119. 

  2119. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    2120. 

  2120. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    2121. 

  2121. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    2122. 

  2122. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    2123. 

  2123. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    2124. 

  2124. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    2125. 

  2125. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    2126. 

  2126. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    2127. 

  2127. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    2128. 

  2128. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    2129. 

  2129. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    2130. 

  2130. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    2131. 

  2131. 	... 54 common frames omitted
    2132. 

  2132. 03:43:10.683 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3fa2e7ab (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2133. 

  2133. 03:43:20.685 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2e113d9c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2134. 

  2134. 03:43:30.687 [ForkJoinPool.commonPool-worker-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@56e7dafe (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2135. 

  2135. 03:43:30.688 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2136. 

  2136. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30008ms (total=9, active=0, idle=9, waiting=0)
    2137. 

  2137. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    2138. 

  2138. 	at java.base/java.util.Optional.map(Optional.java:260)
    2139. 

  2139. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    2140. 

  2140. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    2141. 

  2141. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    2142. 

  2142. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    2143. 

  2143. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    2144. 

  2144. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    2145. 

  2145. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    2146. 

  2146. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    2147. 

  2147. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    2148. 

  2148. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    2149. 

  2149. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    2150. 

  2150. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    2151. 

  2151. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    2152. 

  2152. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    2153. 

  2153. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    2154. 

  2154. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    2155. 

  2155. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    2156. 

  2156. 03:43:40.691 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3cedcb5f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2157. 

  2157. 03:43:50.693 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@21e0e851 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2158. 

  2158. 04:02:11.328 [ForkJoinPool.commonPool-worker-3] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@691e1602 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2159. 

  2159. 04:10:55.004 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6bd102b0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2160. 

  2160. 04:11:05.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2d8c1632 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2161. 

  2161. 04:11:15.011 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@14f3e724 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2162. 

  2162. 04:11:15.012 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2163. 

  2163. 04:11:15.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    2164. 

  2164. 04:11:15.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2165. 

  2165. 04:11:25.275 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@c687636 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2166. 

  2166. 04:11:35.279 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1070a2f1 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2167. 

  2167. 04:11:45.281 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6369c383 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2168. 

  2168. 04:11:45.281 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2169. 

  2169. 04:11:45.281 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    2170. 

  2170. 04:11:45.281 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2171. 

  2171. 04:11:45.282 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2172. 

  2172. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    2173. 

  2173. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    2174. 

  2174. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    2175. 

  2175. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    2176. 

  2176. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    2177. 

  2177. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    2178. 

  2178. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    2179. 

  2179. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2180. 

  2180. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    2181. 

  2181. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2182. 

  2182. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    2183. 

  2183. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2184. 

  2184. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    2185. 

  2185. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    2186. 

  2186. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    2187. 

  2187. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    2188. 

  2188. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2189. 

  2189. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2190. 

  2190. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    2191. 

  2191. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    2192. 

  2192. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    2193. 

  2193. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    2194. 

  2194. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    2195. 

  2195. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    2196. 

  2196. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    2197. 

  2197. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    2198. 

  2198. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    2199. 

  2199. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    2200. 

  2200. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    2201. 

  2201. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    2202. 

  2202. 	at java.base/java.lang.Thread.run(Thread.java:833)
    2203. 

  2203. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    2204. 

  2204. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    2205. 

  2205. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    2206. 

  2206. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    2207. 

  2207. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    2208. 

  2208. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    2209. 

  2209. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    2210. 

  2210. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    2211. 

  2211. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    2212. 

  2212. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    2213. 

  2213. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    2214. 

  2214. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    2215. 

  2215. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    2216. 

  2216. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    2217. 

  2217. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    2218. 

  2218. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    2219. 

  2219. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    2220. 

  2220. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    2221. 

  2221. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    2222. 

  2222. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    2223. 

  2223. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    2224. 

  2224. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    2225. 

  2225. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    2226. 

  2226. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    2227. 

  2227. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    2228. 

  2228. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    2229. 

  2229. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    2230. 

  2230. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    2231. 

  2231. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    2232. 

  2232. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    2233. 

  2233. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    2234. 

  2234. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2235. 

  2235. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2236. 

  2236. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    2237. 

  2237. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    2238. 

  2238. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    2239. 

  2239. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    2240. 

  2240. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    2241. 

  2241. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    2242. 

  2242. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    2243. 

  2243. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    2244. 

  2244. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    2245. 

  2245. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    2246. 

  2246. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2247. 

  2247. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    2248. 

  2248. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2249. 

  2249. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    2250. 

  2250. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    2251. 

  2251. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    2252. 

  2252. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2253. 

  2253. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    2254. 

  2254. 	... 24 common frames omitted
    2255. 

  2255. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    2256. 

  2256. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    2257. 

  2257. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    2258. 

  2258. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    2259. 

  2259. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    2260. 

  2260. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    2261. 

  2261. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    2262. 

  2262. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    2263. 

  2263. 	... 69 common frames omitted
    2264. 

  2264. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    2265. 

  2265. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    2266. 

  2266. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    2267. 

  2267. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    2268. 

  2268. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    2269. 

  2269. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    2270. 

  2270. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    2271. 

  2271. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    2272. 

  2272. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    2273. 

  2273. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    2274. 

  2274. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    2275. 

  2275. 	... 74 common frames omitted
    2276. 

  2276. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    2277. 

  2277. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    2278. 

  2278. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2279. 

  2279. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2280. 

  2280. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2281. 

  2281. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2282. 

  2282. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2283. 

  2283. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2284. 

  2284. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    2285. 

  2285. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    2286. 

  2286. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    2287. 

  2287. 	... 77 common frames omitted
    2288. 

  2288. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    2289. 

  2289. 

  2290. The last packet successfully received from the server was 1,794,293 milliseconds ago. The last packet sent successfully to the server was 1,794,351 milliseconds ago.
    2291. 

  2291. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    2292. 

  2292. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2293. 

  2293. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2294. 

  2294. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2295. 

  2295. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2296. 

  2296. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2297. 

  2297. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2298. 

  2298. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    2299. 

  2299. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    2300. 

  2300. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    2301. 

  2301. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    2302. 

  2302. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    2303. 

  2303. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    2304. 

  2304. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    2305. 

  2305. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    2306. 

  2306. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    2307. 

  2307. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    2308. 

  2308. 	... 75 common frames omitted
    2309. 

  2309. Caused by: java.net.SocketTimeoutException: Read timed out
    2310. 

  2310. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    2311. 

  2311. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    2312. 

  2312. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    2313. 

  2313. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    2314. 

  2314. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    2315. 

  2315. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    2316. 

  2316. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    2317. 

  2317. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    2318. 

  2318. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    2319. 

  2319. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    2320. 

  2320. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    2321. 

  2321. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    2322. 

  2322. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    2323. 

  2323. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    2324. 

  2324. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    2325. 

  2325. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    2326. 

  2326. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    2327. 

  2327. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    2328. 

  2328. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    2329. 

  2329. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    2330. 

  2330. 	... 83 common frames omitted
    2331. 

  2331. 04:11:55.287 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@185f6716 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2332. 

  2332. 04:12:05.292 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@23e18239 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2333. 

  2333. 04:12:15.296 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@29e530c0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2334. 

  2334. 04:12:15.297 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2335. 

  2335. 04:12:15.297 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30014ms (total=27, active=0, idle=27, waiting=0)
    2336. 

  2336. 04:12:15.297 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2337. 

  2337. 04:12:15.297 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2338. 

  2338. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    2339. 

  2339. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    2340. 

  2340. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    2341. 

  2341. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    2342. 

  2342. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    2343. 

  2343. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    2344. 

  2344. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    2345. 

  2345. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2346. 

  2346. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    2347. 

  2347. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2348. 

  2348. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    2349. 

  2349. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2350. 

  2350. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    2351. 

  2351. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2352. 

  2352. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    2353. 

  2353. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2354. 

  2354. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    2355. 

  2355. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2356. 

  2356. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2357. 

  2357. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    2358. 

  2358. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    2359. 

  2359. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2360. 

  2360. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    2361. 

  2361. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    2362. 

  2362. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2363. 

  2363. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2364. 

  2364. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    2365. 

  2365. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    2366. 

  2366. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    2367. 

  2367. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    2368. 

  2368. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    2369. 

  2369. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    2370. 

  2370. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    2371. 

  2371. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    2372. 

  2372. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    2373. 

  2373. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    2374. 

  2374. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    2375. 

  2375. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    2376. 

  2376. 	at java.base/java.lang.Thread.run(Thread.java:833)
    2377. 

  2377. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30014ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    2378. 

  2378. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    2379. 

  2379. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    2380. 

  2380. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    2381. 

  2381. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    2382. 

  2382. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    2383. 

  2383. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    2384. 

  2384. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    2385. 

  2385. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    2386. 

  2386. 	... 37 common frames omitted
    2387. 

  2387. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30014ms (total=27, active=0, idle=27, waiting=0)
    2388. 

  2388. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    2389. 

  2389. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    2390. 

  2390. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    2391. 

  2391. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    2392. 

  2392. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    2393. 

  2393. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    2394. 

  2394. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    2395. 

  2395. 	... 40 common frames omitted
    2396. 

  2396. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    2397. 

  2397. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    2398. 

  2398. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    2399. 

  2399. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    2400. 

  2400. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    2401. 

  2401. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    2402. 

  2402. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    2403. 

  2403. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    2404. 

  2404. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    2405. 

  2405. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    2406. 

  2406. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    2407. 

  2407. 	... 45 common frames omitted
    2408. 

  2408. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    2409. 

  2409. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    2410. 

  2410. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2411. 

  2411. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2412. 

  2412. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2413. 

  2413. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2414. 

  2414. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2415. 

  2415. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2416. 

  2416. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    2417. 

  2417. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    2418. 

  2418. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    2419. 

  2419. 	... 48 common frames omitted
    2420. 

  2420. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    2421. 

  2421. 

  2422. The last packet successfully received from the server was 1,781,917 milliseconds ago. The last packet sent successfully to the server was 1,781,962 milliseconds ago.
    2423. 

  2423. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    2424. 

  2424. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2425. 

  2425. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2426. 

  2426. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2427. 

  2427. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2428. 

  2428. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2429. 

  2429. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2430. 

  2430. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    2431. 

  2431. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    2432. 

  2432. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    2433. 

  2433. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    2434. 

  2434. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    2435. 

  2435. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    2436. 

  2436. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    2437. 

  2437. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    2438. 

  2438. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    2439. 

  2439. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    2440. 

  2440. 	... 46 common frames omitted
    2441. 

  2441. Caused by: java.net.SocketTimeoutException: Read timed out
    2442. 

  2442. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    2443. 

  2443. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    2444. 

  2444. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    2445. 

  2445. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    2446. 

  2446. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    2447. 

  2447. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    2448. 

  2448. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    2449. 

  2449. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    2450. 

  2450. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    2451. 

  2451. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    2452. 

  2452. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    2453. 

  2453. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    2454. 

  2454. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    2455. 

  2455. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    2456. 

  2456. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    2457. 

  2457. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    2458. 

  2458. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    2459. 

  2459. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    2460. 

  2460. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    2461. 

  2461. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    2462. 

  2462. 	... 54 common frames omitted
    2463. 

  2463. 04:12:25.463 [ForkJoinPool.commonPool-worker-2] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@25036328 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2464. 

  2464. 04:12:35.466 [ForkJoinPool.commonPool-worker-2] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@145ced75 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2465. 

  2465. 04:12:45.469 [ForkJoinPool.commonPool-worker-2] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@124353d1 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2466. 

  2466. 04:12:45.470 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2467. 

  2467. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30009ms (total=8, active=0, idle=8, waiting=0)
    2468. 

  2468. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    2469. 

  2469. 	at java.base/java.util.Optional.map(Optional.java:260)
    2470. 

  2470. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    2471. 

  2471. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    2472. 

  2472. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    2473. 

  2473. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    2474. 

  2474. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    2475. 

  2475. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    2476. 

  2476. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    2477. 

  2477. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    2478. 

  2478. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    2479. 

  2479. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    2480. 

  2480. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    2481. 

  2481. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    2482. 

  2482. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    2483. 

  2483. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    2484. 

  2484. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    2485. 

  2485. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    2486. 

  2486. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    2487. 

  2487. 04:12:55.471 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@72604f20 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2488. 

  2488. 04:12:55.473 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@15604802 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2489. 

  2489. 04:13:05.474 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@771ca089 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2490. 

  2490. 04:13:05.476 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6406ec59 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2491. 

  2491. 04:13:15.478 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1b5b50f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2492. 

  2492. 04:13:15.478 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2c71cdfe (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2493. 

  2493. 04:13:15.479 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2494. 

  2494. 04:13:15.479 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=26, active=0, idle=26, waiting=0)
    2495. 

  2495. 04:13:15.479 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2496. 

  2496. 04:13:25.485 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5256f342 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2497. 

  2497. 04:13:35.487 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2c45f7e9 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2498. 

  2498. 04:40:25.005 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4219efad (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2499. 

  2499. 04:40:35.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@62ddf39f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2500. 

  2500. 04:40:45.012 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@38af9aec (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2501. 

  2501. 04:40:45.012 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2502. 

  2502. 04:40:45.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    2503. 

  2503. 04:40:45.012 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2504. 

  2504. 04:41:10.009 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1d8f73fb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2505. 

  2505. 04:41:20.012 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@79b75713 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2506. 

  2506. 04:41:30.015 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6b65cede (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2507. 

  2507. 04:41:30.016 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2508. 

  2508. 04:41:30.016 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)
    2509. 

  2509. 04:41:30.016 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2510. 

  2510. 04:41:30.016 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2511. 

  2511. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    2512. 

  2512. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    2513. 

  2513. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    2514. 

  2514. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    2515. 

  2515. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    2516. 

  2516. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    2517. 

  2517. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    2518. 

  2518. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2519. 

  2519. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    2520. 

  2520. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2521. 

  2521. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    2522. 

  2522. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2523. 

  2523. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    2524. 

  2524. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2525. 

  2525. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    2526. 

  2526. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2527. 

  2527. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    2528. 

  2528. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2529. 

  2529. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2530. 

  2530. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    2531. 

  2531. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    2532. 

  2532. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2533. 

  2533. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    2534. 

  2534. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    2535. 

  2535. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2536. 

  2536. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2537. 

  2537. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    2538. 

  2538. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    2539. 

  2539. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    2540. 

  2540. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    2541. 

  2541. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    2542. 

  2542. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    2543. 

  2543. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    2544. 

  2544. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    2545. 

  2545. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    2546. 

  2546. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    2547. 

  2547. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    2548. 

  2548. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    2549. 

  2549. 	at java.base/java.lang.Thread.run(Thread.java:833)
    2550. 

  2550. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    2551. 

  2551. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    2552. 

  2552. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    2553. 

  2553. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    2554. 

  2554. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    2555. 

  2555. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    2556. 

  2556. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    2557. 

  2557. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    2558. 

  2558. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    2559. 

  2559. 	... 37 common frames omitted
    2560. 

  2560. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)
    2561. 

  2561. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    2562. 

  2562. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    2563. 

  2563. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    2564. 

  2564. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    2565. 

  2565. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    2566. 

  2566. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    2567. 

  2567. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    2568. 

  2568. 	... 40 common frames omitted
    2569. 

  2569. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    2570. 

  2570. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    2571. 

  2571. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    2572. 

  2572. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    2573. 

  2573. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    2574. 

  2574. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    2575. 

  2575. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    2576. 

  2576. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    2577. 

  2577. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    2578. 

  2578. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    2579. 

  2579. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    2580. 

  2580. 	... 45 common frames omitted
    2581. 

  2581. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    2582. 

  2582. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    2583. 

  2583. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2584. 

  2584. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2585. 

  2585. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2586. 

  2586. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2587. 

  2587. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2588. 

  2588. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2589. 

  2589. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    2590. 

  2590. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    2591. 

  2591. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    2592. 

  2592. 	... 48 common frames omitted
    2593. 

  2593. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    2594. 

  2594. 

  2595. The last packet successfully received from the server was 1,784,268 milliseconds ago. The last packet sent successfully to the server was 1,784,313 milliseconds ago.
    2596. 

  2596. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    2597. 

  2597. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2598. 

  2598. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2599. 

  2599. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2600. 

  2600. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2601. 

  2601. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2602. 

  2602. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2603. 

  2603. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    2604. 

  2604. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    2605. 

  2605. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    2606. 

  2606. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    2607. 

  2607. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    2608. 

  2608. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    2609. 

  2609. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    2610. 

  2610. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    2611. 

  2611. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    2612. 

  2612. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    2613. 

  2613. 	... 46 common frames omitted
    2614. 

  2614. Caused by: java.net.SocketTimeoutException: Read timed out
    2615. 

  2615. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    2616. 

  2616. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    2617. 

  2617. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    2618. 

  2618. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    2619. 

  2619. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    2620. 

  2620. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    2621. 

  2621. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    2622. 

  2622. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    2623. 

  2623. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    2624. 

  2624. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    2625. 

  2625. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    2626. 

  2626. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    2627. 

  2627. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    2628. 

  2628. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    2629. 

  2629. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    2630. 

  2630. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    2631. 

  2631. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    2632. 

  2632. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    2633. 

  2633. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    2634. 

  2634. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    2635. 

  2635. 	... 54 common frames omitted
    2636. 

  2636. 04:41:40.022 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@73d6f85b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2637. 

  2637. 04:41:50.026 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2ca5c133 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2638. 

  2638. 04:42:00.028 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@190dbcca (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2639. 

  2639. 04:42:00.029 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2640. 

  2640. 04:42:00.029 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=25, active=0, idle=25, waiting=0)
    2641. 

  2641. 04:42:00.029 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2642. 

  2642. 04:42:00.029 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2643. 

  2643. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=25, active=0, idle=25, waiting=0)] [n/a]
    2644. 

  2644. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    2645. 

  2645. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    2646. 

  2646. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    2647. 

  2647. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    2648. 

  2648. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    2649. 

  2649. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    2650. 

  2650. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2651. 

  2651. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    2652. 

  2652. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2653. 

  2653. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    2654. 

  2654. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2655. 

  2655. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    2656. 

  2656. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    2657. 

  2657. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    2658. 

  2658. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    2659. 

  2659. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2660. 

  2660. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2661. 

  2661. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    2662. 

  2662. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    2663. 

  2663. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    2664. 

  2664. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    2665. 

  2665. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    2666. 

  2666. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    2667. 

  2667. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    2668. 

  2668. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    2669. 

  2669. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    2670. 

  2670. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    2671. 

  2671. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    2672. 

  2672. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    2673. 

  2673. 	at java.base/java.lang.Thread.run(Thread.java:833)
    2674. 

  2674. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=25, active=0, idle=25, waiting=0)] [n/a]
    2675. 

  2675. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    2676. 

  2676. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    2677. 

  2677. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    2678. 

  2678. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    2679. 

  2679. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    2680. 

  2680. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    2681. 

  2681. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    2682. 

  2682. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    2683. 

  2683. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    2684. 

  2684. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    2685. 

  2685. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    2686. 

  2686. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    2687. 

  2687. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    2688. 

  2688. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    2689. 

  2689. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    2690. 

  2690. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    2691. 

  2691. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    2692. 

  2692. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    2693. 

  2693. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    2694. 

  2694. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    2695. 

  2695. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    2696. 

  2696. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    2697. 

  2697. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    2698. 

  2698. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    2699. 

  2699. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    2700. 

  2700. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    2701. 

  2701. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    2702. 

  2702. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    2703. 

  2703. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    2704. 

  2704. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    2705. 

  2705. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2706. 

  2706. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2707. 

  2707. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    2708. 

  2708. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    2709. 

  2709. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    2710. 

  2710. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    2711. 

  2711. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    2712. 

  2712. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    2713. 

  2713. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    2714. 

  2714. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    2715. 

  2715. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    2716. 

  2716. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    2717. 

  2717. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2718. 

  2718. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    2719. 

  2719. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2720. 

  2720. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    2721. 

  2721. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    2722. 

  2722. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    2723. 

  2723. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2724. 

  2724. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    2725. 

  2725. 	... 24 common frames omitted
    2726. 

  2726. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=25, active=0, idle=25, waiting=0)
    2727. 

  2727. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    2728. 

  2728. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    2729. 

  2729. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    2730. 

  2730. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    2731. 

  2731. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    2732. 

  2732. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    2733. 

  2733. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    2734. 

  2734. 	... 69 common frames omitted
    2735. 

  2735. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    2736. 

  2736. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    2737. 

  2737. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    2738. 

  2738. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    2739. 

  2739. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    2740. 

  2740. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    2741. 

  2741. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    2742. 

  2742. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    2743. 

  2743. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    2744. 

  2744. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    2745. 

  2745. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    2746. 

  2746. 	... 74 common frames omitted
    2747. 

  2747. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    2748. 

  2748. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    2749. 

  2749. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2750. 

  2750. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2751. 

  2751. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2752. 

  2752. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2753. 

  2753. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2754. 

  2754. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2755. 

  2755. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    2756. 

  2756. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    2757. 

  2757. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    2758. 

  2758. 	... 77 common frames omitted
    2759. 

  2759. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    2760. 

  2760. 

  2761. The last packet successfully received from the server was 1,796,246 milliseconds ago. The last packet sent successfully to the server was 1,796,291 milliseconds ago.
    2762. 

  2762. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    2763. 

  2763. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2764. 

  2764. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2765. 

  2765. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2766. 

  2766. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2767. 

  2767. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2768. 

  2768. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2769. 

  2769. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    2770. 

  2770. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    2771. 

  2771. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    2772. 

  2772. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    2773. 

  2773. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    2774. 

  2774. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    2775. 

  2775. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    2776. 

  2776. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    2777. 

  2777. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    2778. 

  2778. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    2779. 

  2779. 	... 75 common frames omitted
    2780. 

  2780. Caused by: java.net.SocketTimeoutException: Read timed out
    2781. 

  2781. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    2782. 

  2782. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    2783. 

  2783. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    2784. 

  2784. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    2785. 

  2785. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    2786. 

  2786. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    2787. 

  2787. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    2788. 

  2788. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    2789. 

  2789. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    2790. 

  2790. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    2791. 

  2791. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    2792. 

  2792. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    2793. 

  2793. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    2794. 

  2794. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    2795. 

  2795. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    2796. 

  2796. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    2797. 

  2797. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    2798. 

  2798. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    2799. 

  2799. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    2800. 

  2800. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    2801. 

  2801. 	... 83 common frames omitted
    2802. 

  2802. 04:42:10.033 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@48323e7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2803. 

  2803. 04:42:20.036 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@25f40d4f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2804. 

  2804. 04:42:30.039 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@71de64a3 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2805. 

  2805. 04:42:30.040 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2806. 

  2806. 04:42:30.040 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=27, active=0, idle=27, waiting=0)
    2807. 

  2807. 04:42:30.040 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2808. 

  2808. 04:42:40.413 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5f76b88c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2809. 

  2809. 04:42:50.418 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7cb0bb93 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2810. 

  2810. 04:43:01.488 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@d5bee19 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2811. 

  2811. 04:43:11.489 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5f72c746 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2812. 

  2812. 04:43:21.494 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4401aa10 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2813. 

  2813. 04:43:21.494 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2814. 

  2814. 04:43:21.494 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    2815. 

  2815. 04:43:21.494 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2816. 

  2816. 04:43:21.494 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2817. 

  2817. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    2818. 

  2818. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    2819. 

  2819. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    2820. 

  2820. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    2821. 

  2821. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    2822. 

  2822. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    2823. 

  2823. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    2824. 

  2824. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2825. 

  2825. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    2826. 

  2826. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2827. 

  2827. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    2828. 

  2828. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2829. 

  2829. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    2830. 

  2830. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2831. 

  2831. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    2832. 

  2832. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2833. 

  2833. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    2834. 

  2834. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2835. 

  2835. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2836. 

  2836. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    2837. 

  2837. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    2838. 

  2838. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    2839. 

  2839. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    2840. 

  2840. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    2841. 

  2841. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2842. 

  2842. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2843. 

  2843. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    2844. 

  2844. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    2845. 

  2845. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    2846. 

  2846. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    2847. 

  2847. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    2848. 

  2848. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    2849. 

  2849. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    2850. 

  2850. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    2851. 

  2851. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    2852. 

  2852. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    2853. 

  2853. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    2854. 

  2854. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    2855. 

  2855. 	at java.base/java.lang.Thread.run(Thread.java:833)
    2856. 

  2856. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    2857. 

  2857. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    2858. 

  2858. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    2859. 

  2859. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    2860. 

  2860. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    2861. 

  2861. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    2862. 

  2862. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    2863. 

  2863. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    2864. 

  2864. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    2865. 

  2865. 	... 37 common frames omitted
    2866. 

  2866. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    2867. 

  2867. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    2868. 

  2868. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    2869. 

  2869. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    2870. 

  2870. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    2871. 

  2871. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    2872. 

  2872. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    2873. 

  2873. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    2874. 

  2874. 	... 40 common frames omitted
    2875. 

  2875. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    2876. 

  2876. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    2877. 

  2877. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    2878. 

  2878. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    2879. 

  2879. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    2880. 

  2880. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    2881. 

  2881. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    2882. 

  2882. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    2883. 

  2883. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    2884. 

  2884. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    2885. 

  2885. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    2886. 

  2886. 	... 45 common frames omitted
    2887. 

  2887. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    2888. 

  2888. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    2889. 

  2889. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2890. 

  2890. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2891. 

  2891. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2892. 

  2892. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2893. 

  2893. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2894. 

  2894. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2895. 

  2895. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    2896. 

  2896. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    2897. 

  2897. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    2898. 

  2898. 	... 48 common frames omitted
    2899. 

  2899. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    2900. 

  2900. 

  2901. The last packet successfully received from the server was 1,789,050 milliseconds ago. The last packet sent successfully to the server was 1,789,095 milliseconds ago.
    2902. 

  2902. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    2903. 

  2903. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    2904. 

  2904. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    2905. 

  2905. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    2906. 

  2906. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    2907. 

  2907. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    2908. 

  2908. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    2909. 

  2909. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    2910. 

  2910. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    2911. 

  2911. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    2912. 

  2912. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    2913. 

  2913. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    2914. 

  2914. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    2915. 

  2915. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    2916. 

  2916. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    2917. 

  2917. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    2918. 

  2918. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    2919. 

  2919. 	... 46 common frames omitted
    2920. 

  2920. Caused by: java.net.SocketTimeoutException: Read timed out
    2921. 

  2921. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    2922. 

  2922. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    2923. 

  2923. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    2924. 

  2924. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    2925. 

  2925. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    2926. 

  2926. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    2927. 

  2927. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    2928. 

  2928. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    2929. 

  2929. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    2930. 

  2930. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    2931. 

  2931. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    2932. 

  2932. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    2933. 

  2933. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    2934. 

  2934. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    2935. 

  2935. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    2936. 

  2936. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    2937. 

  2937. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    2938. 

  2938. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    2939. 

  2939. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    2940. 

  2940. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    2941. 

  2941. 	... 54 common frames omitted
    2942. 

  2942. 05:10:10.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@50f0eb82 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2943. 

  2943. 05:10:20.012 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@e8b3e9d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2944. 

  2944. 05:10:30.015 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7cb25a4f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    2945. 

  2945. 05:10:30.015 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    2946. 

  2946. 05:10:30.015 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30014ms (total=29, active=0, idle=29, waiting=0)
    2947. 

  2947. 05:10:30.015 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    2948. 

  2948. 05:10:30.016 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    2949. 

  2949. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30014ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    2950. 

  2950. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    2951. 

  2951. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    2952. 

  2952. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    2953. 

  2953. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    2954. 

  2954. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    2955. 

  2955. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    2956. 

  2956. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2957. 

  2957. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    2958. 

  2958. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2959. 

  2959. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    2960. 

  2960. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    2961. 

  2961. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    2962. 

  2962. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    2963. 

  2963. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    2964. 

  2964. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    2965. 

  2965. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    2966. 

  2966. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    2967. 

  2967. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    2968. 

  2968. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    2969. 

  2969. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    2970. 

  2970. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    2971. 

  2971. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    2972. 

  2972. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    2973. 

  2973. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    2974. 

  2974. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    2975. 

  2975. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    2976. 

  2976. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    2977. 

  2977. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    2978. 

  2978. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    2979. 

  2979. 	at java.base/java.lang.Thread.run(Thread.java:833)
    2980. 

  2980. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30014ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    2981. 

  2981. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    2982. 

  2982. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    2983. 

  2983. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    2984. 

  2984. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    2985. 

  2985. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    2986. 

  2986. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    2987. 

  2987. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    2988. 

  2988. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    2989. 

  2989. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    2990. 

  2990. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    2991. 

  2991. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    2992. 

  2992. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    2993. 

  2993. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    2994. 

  2994. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    2995. 

  2995. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    2996. 

  2996. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    2997. 

  2997. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    2998. 

  2998. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    2999. 

  2999. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    3000. 

  3000. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    3001. 

  3001. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    3002. 

  3002. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    3003. 

  3003. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    3004. 

  3004. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    3005. 

  3005. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    3006. 

  3006. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    3007. 

  3007. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    3008. 

  3008. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    3009. 

  3009. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    3010. 

  3010. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    3011. 

  3011. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3012. 

  3012. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3013. 

  3013. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    3014. 

  3014. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    3015. 

  3015. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    3016. 

  3016. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    3017. 

  3017. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    3018. 

  3018. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    3019. 

  3019. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    3020. 

  3020. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    3021. 

  3021. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    3022. 

  3022. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    3023. 

  3023. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3024. 

  3024. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    3025. 

  3025. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3026. 

  3026. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    3027. 

  3027. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    3028. 

  3028. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    3029. 

  3029. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3030. 

  3030. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    3031. 

  3031. 	... 24 common frames omitted
    3032. 

  3032. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30014ms (total=29, active=0, idle=29, waiting=0)
    3033. 

  3033. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    3034. 

  3034. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    3035. 

  3035. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    3036. 

  3036. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    3037. 

  3037. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    3038. 

  3038. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    3039. 

  3039. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    3040. 

  3040. 	... 69 common frames omitted
    3041. 

  3041. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    3042. 

  3042. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    3043. 

  3043. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    3044. 

  3044. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    3045. 

  3045. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    3046. 

  3046. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    3047. 

  3047. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    3048. 

  3048. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    3049. 

  3049. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    3050. 

  3050. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    3051. 

  3051. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    3052. 

  3052. 	... 74 common frames omitted
    3053. 

  3053. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    3054. 

  3054. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    3055. 

  3055. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3056. 

  3056. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3057. 

  3057. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3058. 

  3058. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3059. 

  3059. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3060. 

  3060. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3061. 

  3061. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    3062. 

  3062. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    3063. 

  3063. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    3064. 

  3064. 	... 77 common frames omitted
    3065. 

  3065. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    3066. 

  3066. 

  3067. The last packet successfully received from the server was 1,759,572 milliseconds ago. The last packet sent successfully to the server was 1,759,618 milliseconds ago.
    3068. 

  3068. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    3069. 

  3069. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3070. 

  3070. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3071. 

  3071. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3072. 

  3072. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3073. 

  3073. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3074. 

  3074. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3075. 

  3075. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    3076. 

  3076. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    3077. 

  3077. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    3078. 

  3078. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    3079. 

  3079. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    3080. 

  3080. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    3081. 

  3081. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    3082. 

  3082. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    3083. 

  3083. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    3084. 

  3084. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    3085. 

  3085. 	... 75 common frames omitted
    3086. 

  3086. Caused by: java.net.SocketTimeoutException: Read timed out
    3087. 

  3087. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    3088. 

  3088. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    3089. 

  3089. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    3090. 

  3090. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    3091. 

  3091. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    3092. 

  3092. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    3093. 

  3093. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    3094. 

  3094. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    3095. 

  3095. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    3096. 

  3096. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    3097. 

  3097. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    3098. 

  3098. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    3099. 

  3099. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    3100. 

  3100. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    3101. 

  3101. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    3102. 

  3102. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    3103. 

  3103. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    3104. 

  3104. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    3105. 

  3105. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    3106. 

  3106. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    3107. 

  3107. 	... 83 common frames omitted
    3108. 

  3108. 05:10:40.021 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@8cc82f7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3109. 

  3109. 05:10:50.023 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4a0fcc75 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3110. 

  3110. 05:11:00.027 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1738c3e7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3111. 

  3111. 05:11:00.028 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3112. 

  3112. 05:11:00.028 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    3113. 

  3113. 05:11:00.028 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3114. 

  3114. 05:11:10.031 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@cb52492 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3115. 

  3115. 05:11:20.034 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3677371c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3116. 

  3116. 05:11:30.037 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@ca1f9b5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3117. 

  3117. 05:11:30.037 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3118. 

  3118. 05:11:30.037 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    3119. 

  3119. 05:11:30.037 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3120. 

  3120. 05:11:30.037 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3121. 

  3121. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    3122. 

  3122. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    3123. 

  3123. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    3124. 

  3124. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    3125. 

  3125. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    3126. 

  3126. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    3127. 

  3127. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    3128. 

  3128. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3129. 

  3129. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    3130. 

  3130. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3131. 

  3131. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    3132. 

  3132. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3133. 

  3133. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    3134. 

  3134. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3135. 

  3135. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    3136. 

  3136. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    3137. 

  3137. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    3138. 

  3138. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3139. 

  3139. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3140. 

  3140. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    3141. 

  3141. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    3142. 

  3142. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    3143. 

  3143. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    3144. 

  3144. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    3145. 

  3145. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3146. 

  3146. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3147. 

  3147. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    3148. 

  3148. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    3149. 

  3149. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    3150. 

  3150. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    3151. 

  3151. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    3152. 

  3152. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    3153. 

  3153. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    3154. 

  3154. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    3155. 

  3155. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    3156. 

  3156. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    3157. 

  3157. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    3158. 

  3158. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    3159. 

  3159. 	at java.base/java.lang.Thread.run(Thread.java:833)
    3160. 

  3160. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3161. 

  3161. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    3162. 

  3162. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    3163. 

  3163. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    3164. 

  3164. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    3165. 

  3165. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    3166. 

  3166. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    3167. 

  3167. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    3168. 

  3168. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    3169. 

  3169. 	... 37 common frames omitted
    3170. 

  3170. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    3171. 

  3171. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    3172. 

  3172. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    3173. 

  3173. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    3174. 

  3174. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    3175. 

  3175. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    3176. 

  3176. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    3177. 

  3177. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    3178. 

  3178. 	... 40 common frames omitted
    3179. 

  3179. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    3180. 

  3180. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    3181. 

  3181. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    3182. 

  3182. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    3183. 

  3183. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    3184. 

  3184. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    3185. 

  3185. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    3186. 

  3186. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    3187. 

  3187. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    3188. 

  3188. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    3189. 

  3189. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    3190. 

  3190. 	... 45 common frames omitted
    3191. 

  3191. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    3192. 

  3192. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    3193. 

  3193. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3194. 

  3194. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3195. 

  3195. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3196. 

  3196. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3197. 

  3197. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3198. 

  3198. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3199. 

  3199. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    3200. 

  3200. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    3201. 

  3201. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    3202. 

  3202. 	... 48 common frames omitted
    3203. 

  3203. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    3204. 

  3204. 

  3205. The last packet successfully received from the server was 1,768,803 milliseconds ago. The last packet sent successfully to the server was 1,768,848 milliseconds ago.
    3206. 

  3206. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    3207. 

  3207. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3208. 

  3208. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3209. 

  3209. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3210. 

  3210. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3211. 

  3211. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3212. 

  3212. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3213. 

  3213. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    3214. 

  3214. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    3215. 

  3215. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    3216. 

  3216. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    3217. 

  3217. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    3218. 

  3218. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    3219. 

  3219. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    3220. 

  3220. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    3221. 

  3221. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    3222. 

  3222. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    3223. 

  3223. 	... 46 common frames omitted
    3224. 

  3224. Caused by: java.net.SocketTimeoutException: Read timed out
    3225. 

  3225. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    3226. 

  3226. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    3227. 

  3227. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    3228. 

  3228. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    3229. 

  3229. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    3230. 

  3230. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    3231. 

  3231. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    3232. 

  3232. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    3233. 

  3233. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    3234. 

  3234. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    3235. 

  3235. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    3236. 

  3236. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    3237. 

  3237. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    3238. 

  3238. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    3239. 

  3239. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    3240. 

  3240. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    3241. 

  3241. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    3242. 

  3242. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    3243. 

  3243. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    3244. 

  3244. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    3245. 

  3245. 	... 54 common frames omitted
    3246. 

  3246. 05:11:40.419 [ForkJoinPool.commonPool-worker-21] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@48ab173d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3247. 

  3247. 05:11:50.421 [ForkJoinPool.commonPool-worker-21] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@85121a0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3248. 

  3248. 05:12:00.424 [ForkJoinPool.commonPool-worker-21] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@708740f6 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3249. 

  3249. 05:12:00.425 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3250. 

  3250. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30010ms (total=9, active=0, idle=9, waiting=0)
    3251. 

  3251. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    3252. 

  3252. 	at java.base/java.util.Optional.map(Optional.java:260)
    3253. 

  3253. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    3254. 

  3254. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    3255. 

  3255. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    3256. 

  3256. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    3257. 

  3257. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    3258. 

  3258. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    3259. 

  3259. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    3260. 

  3260. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    3261. 

  3261. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    3262. 

  3262. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    3263. 

  3263. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    3264. 

  3264. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    3265. 

  3265. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    3266. 

  3266. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    3267. 

  3267. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    3268. 

  3268. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    3269. 

  3269. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    3270. 

  3270. 05:12:10.429 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4d5f7dbb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3271. 

  3271. 05:12:20.431 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@20310b5f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3272. 

  3272. 05:12:30.434 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1a0a171c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3273. 

  3273. 05:12:30.434 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3274. 

  3274. 05:12:30.434 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    3275. 

  3275. 05:12:30.434 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3276. 

  3276. 05:12:30.435 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3277. 

  3277. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3278. 

  3278. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    3279. 

  3279. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    3280. 

  3280. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    3281. 

  3281. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    3282. 

  3282. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    3283. 

  3283. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    3284. 

  3284. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3285. 

  3285. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    3286. 

  3286. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3287. 

  3287. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    3288. 

  3288. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3289. 

  3289. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    3290. 

  3290. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    3291. 

  3291. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    3292. 

  3292. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    3293. 

  3293. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3294. 

  3294. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3295. 

  3295. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    3296. 

  3296. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    3297. 

  3297. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    3298. 

  3298. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    3299. 

  3299. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    3300. 

  3300. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    3301. 

  3301. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    3302. 

  3302. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    3303. 

  3303. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    3304. 

  3304. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    3305. 

  3305. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    3306. 

  3306. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    3307. 

  3307. 	at java.base/java.lang.Thread.run(Thread.java:833)
    3308. 

  3308. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3309. 

  3309. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    3310. 

  3310. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    3311. 

  3311. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    3312. 

  3312. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    3313. 

  3313. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    3314. 

  3314. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    3315. 

  3315. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    3316. 

  3316. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    3317. 

  3317. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    3318. 

  3318. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    3319. 

  3319. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    3320. 

  3320. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    3321. 

  3321. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    3322. 

  3322. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    3323. 

  3323. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    3324. 

  3324. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    3325. 

  3325. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    3326. 

  3326. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    3327. 

  3327. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    3328. 

  3328. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    3329. 

  3329. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    3330. 

  3330. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    3331. 

  3331. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    3332. 

  3332. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    3333. 

  3333. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    3334. 

  3334. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    3335. 

  3335. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    3336. 

  3336. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    3337. 

  3337. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    3338. 

  3338. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    3339. 

  3339. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3340. 

  3340. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3341. 

  3341. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    3342. 

  3342. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    3343. 

  3343. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    3344. 

  3344. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    3345. 

  3345. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    3346. 

  3346. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    3347. 

  3347. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    3348. 

  3348. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    3349. 

  3349. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    3350. 

  3350. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    3351. 

  3351. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3352. 

  3352. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    3353. 

  3353. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3354. 

  3354. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    3355. 

  3355. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    3356. 

  3356. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    3357. 

  3357. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3358. 

  3358. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    3359. 

  3359. 	... 24 common frames omitted
    3360. 

  3360. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    3361. 

  3361. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    3362. 

  3362. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    3363. 

  3363. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    3364. 

  3364. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    3365. 

  3365. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    3366. 

  3366. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    3367. 

  3367. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    3368. 

  3368. 	... 69 common frames omitted
    3369. 

  3369. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    3370. 

  3370. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    3371. 

  3371. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    3372. 

  3372. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    3373. 

  3373. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    3374. 

  3374. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    3375. 

  3375. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    3376. 

  3376. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    3377. 

  3377. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    3378. 

  3378. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    3379. 

  3379. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    3380. 

  3380. 	... 74 common frames omitted
    3381. 

  3381. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    3382. 

  3382. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    3383. 

  3383. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3384. 

  3384. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3385. 

  3385. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3386. 

  3386. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3387. 

  3387. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3388. 

  3388. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3389. 

  3389. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    3390. 

  3390. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    3391. 

  3391. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    3392. 

  3392. 	... 77 common frames omitted
    3393. 

  3393. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    3394. 

  3394. 

  3395. The last packet successfully received from the server was 1,784,627 milliseconds ago. The last packet sent successfully to the server was 1,784,676 milliseconds ago.
    3396. 

  3396. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    3397. 

  3397. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3398. 

  3398. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3399. 

  3399. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3400. 

  3400. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3401. 

  3401. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3402. 

  3402. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3403. 

  3403. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    3404. 

  3404. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    3405. 

  3405. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    3406. 

  3406. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    3407. 

  3407. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    3408. 

  3408. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    3409. 

  3409. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    3410. 

  3410. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    3411. 

  3411. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    3412. 

  3412. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    3413. 

  3413. 	... 75 common frames omitted
    3414. 

  3414. Caused by: java.net.SocketTimeoutException: Read timed out
    3415. 

  3415. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    3416. 

  3416. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    3417. 

  3417. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    3418. 

  3418. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    3419. 

  3419. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    3420. 

  3420. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    3421. 

  3421. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    3422. 

  3422. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    3423. 

  3423. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    3424. 

  3424. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    3425. 

  3425. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    3426. 

  3426. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    3427. 

  3427. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    3428. 

  3428. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    3429. 

  3429. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    3430. 

  3430. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    3431. 

  3431. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    3432. 

  3432. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    3433. 

  3433. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    3434. 

  3434. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    3435. 

  3435. 	... 83 common frames omitted
    3436. 

  3436. 05:12:40.438 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@57f34b9f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3437. 

  3437. 05:12:50.440 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@166d978b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3438. 

  3438. 05:13:00.443 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@20ede846 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3439. 

  3439. 05:13:00.443 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3440. 

  3440. 05:13:00.443 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    3441. 

  3441. 05:13:00.443 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3442. 

  3442. 05:39:55.003 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4ac63d19 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3443. 

  3443. 05:40:05.004 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@533dc5e8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3444. 

  3444. 05:40:15.006 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7098205 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3445. 

  3445. 05:40:15.007 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3446. 

  3446. 05:40:15.007 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)
    3447. 

  3447. 05:40:15.007 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3448. 

  3448. 05:40:25.305 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4804ec00 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3449. 

  3449. 05:40:35.306 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3d1c9bf3 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3450. 

  3450. 05:40:45.311 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@195286e9 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3451. 

  3451. 05:40:45.311 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3452. 

  3452. 05:40:45.311 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    3453. 

  3453. 05:40:45.311 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3454. 

  3454. 05:40:45.311 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3455. 

  3455. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3456. 

  3456. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    3457. 

  3457. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    3458. 

  3458. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    3459. 

  3459. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    3460. 

  3460. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    3461. 

  3461. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    3462. 

  3462. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3463. 

  3463. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    3464. 

  3464. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3465. 

  3465. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    3466. 

  3466. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3467. 

  3467. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    3468. 

  3468. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    3469. 

  3469. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    3470. 

  3470. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    3471. 

  3471. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3472. 

  3472. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3473. 

  3473. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    3474. 

  3474. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    3475. 

  3475. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    3476. 

  3476. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    3477. 

  3477. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    3478. 

  3478. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    3479. 

  3479. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    3480. 

  3480. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    3481. 

  3481. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    3482. 

  3482. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    3483. 

  3483. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    3484. 

  3484. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    3485. 

  3485. 	at java.base/java.lang.Thread.run(Thread.java:833)
    3486. 

  3486. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3487. 

  3487. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    3488. 

  3488. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    3489. 

  3489. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    3490. 

  3490. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    3491. 

  3491. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    3492. 

  3492. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    3493. 

  3493. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    3494. 

  3494. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    3495. 

  3495. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    3496. 

  3496. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    3497. 

  3497. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    3498. 

  3498. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    3499. 

  3499. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    3500. 

  3500. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    3501. 

  3501. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    3502. 

  3502. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    3503. 

  3503. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    3504. 

  3504. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    3505. 

  3505. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    3506. 

  3506. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    3507. 

  3507. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    3508. 

  3508. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    3509. 

  3509. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    3510. 

  3510. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    3511. 

  3511. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    3512. 

  3512. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    3513. 

  3513. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    3514. 

  3514. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    3515. 

  3515. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    3516. 

  3516. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    3517. 

  3517. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3518. 

  3518. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3519. 

  3519. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    3520. 

  3520. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    3521. 

  3521. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    3522. 

  3522. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    3523. 

  3523. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    3524. 

  3524. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    3525. 

  3525. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    3526. 

  3526. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    3527. 

  3527. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    3528. 

  3528. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    3529. 

  3529. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3530. 

  3530. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    3531. 

  3531. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3532. 

  3532. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    3533. 

  3533. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    3534. 

  3534. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    3535. 

  3535. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3536. 

  3536. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    3537. 

  3537. 	... 24 common frames omitted
    3538. 

  3538. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    3539. 

  3539. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    3540. 

  3540. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    3541. 

  3541. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    3542. 

  3542. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    3543. 

  3543. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    3544. 

  3544. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    3545. 

  3545. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    3546. 

  3546. 	... 69 common frames omitted
    3547. 

  3547. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    3548. 

  3548. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    3549. 

  3549. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    3550. 

  3550. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    3551. 

  3551. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    3552. 

  3552. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    3553. 

  3553. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    3554. 

  3554. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    3555. 

  3555. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    3556. 

  3556. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    3557. 

  3557. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    3558. 

  3558. 	... 74 common frames omitted
    3559. 

  3559. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    3560. 

  3560. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    3561. 

  3561. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3562. 

  3562. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3563. 

  3563. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3564. 

  3564. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3565. 

  3565. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3566. 

  3566. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3567. 

  3567. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    3568. 

  3568. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    3569. 

  3569. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    3570. 

  3570. 	... 77 common frames omitted
    3571. 

  3571. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    3572. 

  3572. 

  3573. The last packet successfully received from the server was 1,764,869 milliseconds ago. The last packet sent successfully to the server was 1,764,911 milliseconds ago.
    3574. 

  3574. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    3575. 

  3575. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3576. 

  3576. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3577. 

  3577. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3578. 

  3578. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3579. 

  3579. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3580. 

  3580. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3581. 

  3581. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    3582. 

  3582. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    3583. 

  3583. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    3584. 

  3584. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    3585. 

  3585. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    3586. 

  3586. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    3587. 

  3587. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    3588. 

  3588. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    3589. 

  3589. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    3590. 

  3590. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    3591. 

  3591. 	... 75 common frames omitted
    3592. 

  3592. Caused by: java.net.SocketTimeoutException: Read timed out
    3593. 

  3593. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    3594. 

  3594. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    3595. 

  3595. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    3596. 

  3596. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    3597. 

  3597. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    3598. 

  3598. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    3599. 

  3599. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    3600. 

  3600. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    3601. 

  3601. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    3602. 

  3602. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    3603. 

  3603. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    3604. 

  3604. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    3605. 

  3605. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    3606. 

  3606. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    3607. 

  3607. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    3608. 

  3608. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    3609. 

  3609. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    3610. 

  3610. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    3611. 

  3611. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    3612. 

  3612. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    3613. 

  3613. 	... 83 common frames omitted
    3614. 

  3614. 05:40:55.315 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@449d9628 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3615. 

  3615. 05:41:05.319 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7f0f2e43 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3616. 

  3616. 05:41:15.323 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4a0b87db (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3617. 

  3617. 05:41:15.323 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3618. 

  3618. 05:41:15.323 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    3619. 

  3619. 05:41:15.323 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3620. 

  3620. 05:41:15.323 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3621. 

  3621. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    3622. 

  3622. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    3623. 

  3623. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    3624. 

  3624. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    3625. 

  3625. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    3626. 

  3626. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    3627. 

  3627. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    3628. 

  3628. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3629. 

  3629. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    3630. 

  3630. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3631. 

  3631. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    3632. 

  3632. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3633. 

  3633. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    3634. 

  3634. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3635. 

  3635. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    3636. 

  3636. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    3637. 

  3637. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    3638. 

  3638. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3639. 

  3639. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3640. 

  3640. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    3641. 

  3641. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    3642. 

  3642. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    3643. 

  3643. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    3644. 

  3644. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    3645. 

  3645. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3646. 

  3646. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3647. 

  3647. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    3648. 

  3648. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    3649. 

  3649. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    3650. 

  3650. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    3651. 

  3651. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    3652. 

  3652. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    3653. 

  3653. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    3654. 

  3654. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    3655. 

  3655. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    3656. 

  3656. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    3657. 

  3657. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    3658. 

  3658. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    3659. 

  3659. 	at java.base/java.lang.Thread.run(Thread.java:833)
    3660. 

  3660. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3661. 

  3661. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    3662. 

  3662. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    3663. 

  3663. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    3664. 

  3664. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    3665. 

  3665. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    3666. 

  3666. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    3667. 

  3667. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    3668. 

  3668. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    3669. 

  3669. 	... 37 common frames omitted
    3670. 

  3670. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    3671. 

  3671. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    3672. 

  3672. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    3673. 

  3673. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    3674. 

  3674. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    3675. 

  3675. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    3676. 

  3676. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    3677. 

  3677. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    3678. 

  3678. 	... 40 common frames omitted
    3679. 

  3679. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    3680. 

  3680. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    3681. 

  3681. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    3682. 

  3682. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    3683. 

  3683. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    3684. 

  3684. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    3685. 

  3685. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    3686. 

  3686. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    3687. 

  3687. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    3688. 

  3688. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    3689. 

  3689. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    3690. 

  3690. 	... 45 common frames omitted
    3691. 

  3691. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    3692. 

  3692. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    3693. 

  3693. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3694. 

  3694. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3695. 

  3695. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3696. 

  3696. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3697. 

  3697. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3698. 

  3698. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3699. 

  3699. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    3700. 

  3700. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    3701. 

  3701. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    3702. 

  3702. 	... 48 common frames omitted
    3703. 

  3703. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    3704. 

  3704. 

  3705. The last packet successfully received from the server was 1,756,276 milliseconds ago. The last packet sent successfully to the server was 1,756,319 milliseconds ago.
    3706. 

  3706. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    3707. 

  3707. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3708. 

  3708. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3709. 

  3709. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3710. 

  3710. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3711. 

  3711. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3712. 

  3712. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3713. 

  3713. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    3714. 

  3714. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    3715. 

  3715. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    3716. 

  3716. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    3717. 

  3717. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    3718. 

  3718. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    3719. 

  3719. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    3720. 

  3720. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    3721. 

  3721. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    3722. 

  3722. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    3723. 

  3723. 	... 46 common frames omitted
    3724. 

  3724. Caused by: java.net.SocketTimeoutException: Read timed out
    3725. 

  3725. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    3726. 

  3726. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    3727. 

  3727. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    3728. 

  3728. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    3729. 

  3729. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    3730. 

  3730. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    3731. 

  3731. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    3732. 

  3732. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    3733. 

  3733. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    3734. 

  3734. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    3735. 

  3735. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    3736. 

  3736. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    3737. 

  3737. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    3738. 

  3738. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    3739. 

  3739. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    3740. 

  3740. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    3741. 

  3741. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    3742. 

  3742. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    3743. 

  3743. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    3744. 

  3744. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    3745. 

  3745. 	... 54 common frames omitted
    3746. 

  3746. 05:41:25.478 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@754580a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3747. 

  3747. 05:41:35.479 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@fa6e865 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3748. 

  3748. 05:41:45.482 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2d73c14e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3749. 

  3749. 05:41:45.483 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3750. 

  3750. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30005ms (total=9, active=0, idle=9, waiting=0)
    3751. 

  3751. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    3752. 

  3752. 	at java.base/java.util.Optional.map(Optional.java:260)
    3753. 

  3753. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    3754. 

  3754. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    3755. 

  3755. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    3756. 

  3756. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    3757. 

  3757. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    3758. 

  3758. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    3759. 

  3759. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    3760. 

  3760. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    3761. 

  3761. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    3762. 

  3762. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    3763. 

  3763. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    3764. 

  3764. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    3765. 

  3765. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    3766. 

  3766. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    3767. 

  3767. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    3768. 

  3768. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    3769. 

  3769. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    3770. 

  3770. 05:41:55.487 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@300dd0f4 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3771. 

  3771. 05:41:55.487 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3659e55d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3772. 

  3772. 05:42:05.491 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5a16b7f7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3773. 

  3773. 05:42:05.491 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3c9a09e7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3774. 

  3774. 05:42:15.493 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@715a8c95 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3775. 

  3775. 05:42:15.494 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3776. 

  3776. 05:42:15.494 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=26, active=0, idle=26, waiting=0)
    3777. 

  3777. 05:42:15.494 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3778. 

  3778. 05:42:25.497 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6a46af2c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3779. 

  3779. 05:42:35.500 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@612a95eb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3780. 

  3780. 05:42:45.503 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4978c737 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3781. 

  3781. 05:42:45.503 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3782. 

  3782. 05:42:45.503 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    3783. 

  3783. 05:42:45.503 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3784. 

  3784. 05:42:45.504 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3785. 

  3785. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3786. 

  3786. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    3787. 

  3787. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    3788. 

  3788. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    3789. 

  3789. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    3790. 

  3790. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    3791. 

  3791. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    3792. 

  3792. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3793. 

  3793. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    3794. 

  3794. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3795. 

  3795. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    3796. 

  3796. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3797. 

  3797. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    3798. 

  3798. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    3799. 

  3799. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    3800. 

  3800. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    3801. 

  3801. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3802. 

  3802. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3803. 

  3803. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    3804. 

  3804. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    3805. 

  3805. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    3806. 

  3806. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    3807. 

  3807. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    3808. 

  3808. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    3809. 

  3809. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    3810. 

  3810. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    3811. 

  3811. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    3812. 

  3812. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    3813. 

  3813. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    3814. 

  3814. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    3815. 

  3815. 	at java.base/java.lang.Thread.run(Thread.java:833)
    3816. 

  3816. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    3817. 

  3817. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    3818. 

  3818. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    3819. 

  3819. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    3820. 

  3820. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    3821. 

  3821. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    3822. 

  3822. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    3823. 

  3823. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    3824. 

  3824. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    3825. 

  3825. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    3826. 

  3826. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    3827. 

  3827. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    3828. 

  3828. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    3829. 

  3829. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    3830. 

  3830. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    3831. 

  3831. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    3832. 

  3832. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    3833. 

  3833. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    3834. 

  3834. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    3835. 

  3835. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    3836. 

  3836. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    3837. 

  3837. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    3838. 

  3838. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    3839. 

  3839. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    3840. 

  3840. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    3841. 

  3841. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    3842. 

  3842. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    3843. 

  3843. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    3844. 

  3844. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    3845. 

  3845. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    3846. 

  3846. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    3847. 

  3847. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3848. 

  3848. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3849. 

  3849. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    3850. 

  3850. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    3851. 

  3851. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    3852. 

  3852. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    3853. 

  3853. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    3854. 

  3854. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    3855. 

  3855. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    3856. 

  3856. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    3857. 

  3857. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    3858. 

  3858. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    3859. 

  3859. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3860. 

  3860. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    3861. 

  3861. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3862. 

  3862. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    3863. 

  3863. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    3864. 

  3864. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    3865. 

  3865. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3866. 

  3866. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    3867. 

  3867. 	... 24 common frames omitted
    3868. 

  3868. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    3869. 

  3869. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    3870. 

  3870. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    3871. 

  3871. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    3872. 

  3872. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    3873. 

  3873. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    3874. 

  3874. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    3875. 

  3875. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    3876. 

  3876. 	... 69 common frames omitted
    3877. 

  3877. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    3878. 

  3878. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    3879. 

  3879. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    3880. 

  3880. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    3881. 

  3881. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    3882. 

  3882. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    3883. 

  3883. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    3884. 

  3884. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    3885. 

  3885. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    3886. 

  3886. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    3887. 

  3887. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    3888. 

  3888. 	... 74 common frames omitted
    3889. 

  3889. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    3890. 

  3890. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    3891. 

  3891. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3892. 

  3892. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3893. 

  3893. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3894. 

  3894. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3895. 

  3895. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3896. 

  3896. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3897. 

  3897. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    3898. 

  3898. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    3899. 

  3899. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    3900. 

  3900. 	... 77 common frames omitted
    3901. 

  3901. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    3902. 

  3902. 

  3903. The last packet successfully received from the server was 1,801,431 milliseconds ago. The last packet sent successfully to the server was 1,801,482 milliseconds ago.
    3904. 

  3904. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    3905. 

  3905. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    3906. 

  3906. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    3907. 

  3907. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    3908. 

  3908. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    3909. 

  3909. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    3910. 

  3910. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    3911. 

  3911. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    3912. 

  3912. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    3913. 

  3913. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    3914. 

  3914. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    3915. 

  3915. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    3916. 

  3916. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    3917. 

  3917. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    3918. 

  3918. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    3919. 

  3919. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    3920. 

  3920. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    3921. 

  3921. 	... 75 common frames omitted
    3922. 

  3922. Caused by: java.net.SocketTimeoutException: Read timed out
    3923. 

  3923. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    3924. 

  3924. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    3925. 

  3925. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    3926. 

  3926. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    3927. 

  3927. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    3928. 

  3928. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    3929. 

  3929. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    3930. 

  3930. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    3931. 

  3931. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    3932. 

  3932. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    3933. 

  3933. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    3934. 

  3934. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    3935. 

  3935. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    3936. 

  3936. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    3937. 

  3937. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    3938. 

  3938. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    3939. 

  3939. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    3940. 

  3940. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    3941. 

  3941. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    3942. 

  3942. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    3943. 

  3943. 	... 83 common frames omitted
    3944. 

  3944. 06:09:40.003 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1d8a3657 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3945. 

  3945. 06:09:50.006 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@490d9d47 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3946. 

  3946. 06:10:00.010 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7eb7292b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3947. 

  3947. 06:10:00.011 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3948. 

  3948. 06:10:00.011 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    3949. 

  3949. 06:10:00.011 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3950. 

  3950. 06:10:10.274 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7963a053 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3951. 

  3951. 06:10:20.280 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6571ad26 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3952. 

  3952. 06:10:30.283 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5210d201 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    3953. 

  3953. 06:10:30.283 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    3954. 

  3954. 06:10:30.283 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=27, active=0, idle=27, waiting=0)
    3955. 

  3955. 06:10:30.283 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    3956. 

  3956. 06:10:30.284 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    3957. 

  3957. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    3958. 

  3958. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    3959. 

  3959. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    3960. 

  3960. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    3961. 

  3961. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    3962. 

  3962. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    3963. 

  3963. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    3964. 

  3964. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3965. 

  3965. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    3966. 

  3966. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3967. 

  3967. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    3968. 

  3968. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    3969. 

  3969. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    3970. 

  3970. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    3971. 

  3971. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    3972. 

  3972. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    3973. 

  3973. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    3974. 

  3974. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    3975. 

  3975. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    3976. 

  3976. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    3977. 

  3977. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    3978. 

  3978. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    3979. 

  3979. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    3980. 

  3980. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    3981. 

  3981. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    3982. 

  3982. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    3983. 

  3983. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    3984. 

  3984. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    3985. 

  3985. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    3986. 

  3986. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    3987. 

  3987. 	at java.base/java.lang.Thread.run(Thread.java:833)
    3988. 

  3988. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    3989. 

  3989. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    3990. 

  3990. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    3991. 

  3991. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    3992. 

  3992. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    3993. 

  3993. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    3994. 

  3994. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    3995. 

  3995. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    3996. 

  3996. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    3997. 

  3997. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    3998. 

  3998. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    3999. 

  3999. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    4000. 

  4000. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    4001. 

  4001. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    4002. 

  4002. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    4003. 

  4003. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    4004. 

  4004. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    4005. 

  4005. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    4006. 

  4006. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    4007. 

  4007. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    4008. 

  4008. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    4009. 

  4009. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    4010. 

  4010. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    4011. 

  4011. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    4012. 

  4012. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    4013. 

  4013. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    4014. 

  4014. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    4015. 

  4015. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    4016. 

  4016. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    4017. 

  4017. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    4018. 

  4018. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    4019. 

  4019. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4020. 

  4020. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4021. 

  4021. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    4022. 

  4022. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    4023. 

  4023. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    4024. 

  4024. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    4025. 

  4025. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    4026. 

  4026. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    4027. 

  4027. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    4028. 

  4028. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    4029. 

  4029. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    4030. 

  4030. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    4031. 

  4031. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4032. 

  4032. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    4033. 

  4033. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4034. 

  4034. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    4035. 

  4035. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    4036. 

  4036. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    4037. 

  4037. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4038. 

  4038. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    4039. 

  4039. 	... 24 common frames omitted
    4040. 

  4040. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=27, active=0, idle=27, waiting=0)
    4041. 

  4041. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    4042. 

  4042. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    4043. 

  4043. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    4044. 

  4044. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    4045. 

  4045. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    4046. 

  4046. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    4047. 

  4047. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    4048. 

  4048. 	... 69 common frames omitted
    4049. 

  4049. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    4050. 

  4050. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    4051. 

  4051. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    4052. 

  4052. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    4053. 

  4053. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    4054. 

  4054. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    4055. 

  4055. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    4056. 

  4056. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    4057. 

  4057. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    4058. 

  4058. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    4059. 

  4059. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    4060. 

  4060. 	... 74 common frames omitted
    4061. 

  4061. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    4062. 

  4062. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    4063. 

  4063. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4064. 

  4064. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4065. 

  4065. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4066. 

  4066. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4067. 

  4067. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4068. 

  4068. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4069. 

  4069. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    4070. 

  4070. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    4071. 

  4071. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    4072. 

  4072. 	... 77 common frames omitted
    4073. 

  4073. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    4074. 

  4074. 

  4075. The last packet successfully received from the server was 1,774,493 milliseconds ago. The last packet sent successfully to the server was 1,774,546 milliseconds ago.
    4076. 

  4076. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    4077. 

  4077. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4078. 

  4078. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4079. 

  4079. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4080. 

  4080. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4081. 

  4081. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4082. 

  4082. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4083. 

  4083. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    4084. 

  4084. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    4085. 

  4085. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    4086. 

  4086. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    4087. 

  4087. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    4088. 

  4088. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    4089. 

  4089. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    4090. 

  4090. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    4091. 

  4091. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    4092. 

  4092. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    4093. 

  4093. 	... 75 common frames omitted
    4094. 

  4094. Caused by: java.net.SocketTimeoutException: Read timed out
    4095. 

  4095. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    4096. 

  4096. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    4097. 

  4097. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    4098. 

  4098. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    4099. 

  4099. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    4100. 

  4100. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    4101. 

  4101. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    4102. 

  4102. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    4103. 

  4103. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    4104. 

  4104. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    4105. 

  4105. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    4106. 

  4106. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    4107. 

  4107. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    4108. 

  4108. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    4109. 

  4109. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    4110. 

  4110. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    4111. 

  4111. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    4112. 

  4112. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    4113. 

  4113. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    4114. 

  4114. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    4115. 

  4115. 	... 83 common frames omitted
    4116. 

  4116. 06:10:40.287 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3d1a23f3 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4117. 

  4117. 06:10:50.292 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@29d01612 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4118. 

  4118. 06:11:00.294 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@684b2eac (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4119. 

  4119. 06:11:00.295 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4120. 

  4120. 06:11:00.295 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    4121. 

  4121. 06:11:00.295 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4122. 

  4122. 06:11:00.295 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4123. 

  4123. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    4124. 

  4124. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    4125. 

  4125. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    4126. 

  4126. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    4127. 

  4127. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    4128. 

  4128. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    4129. 

  4129. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    4130. 

  4130. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4131. 

  4131. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    4132. 

  4132. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4133. 

  4133. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    4134. 

  4134. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4135. 

  4135. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    4136. 

  4136. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4137. 

  4137. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    4138. 

  4138. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    4139. 

  4139. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    4140. 

  4140. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4141. 

  4141. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4142. 

  4142. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    4143. 

  4143. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    4144. 

  4144. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    4145. 

  4145. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    4146. 

  4146. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    4147. 

  4147. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4148. 

  4148. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4149. 

  4149. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    4150. 

  4150. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    4151. 

  4151. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    4152. 

  4152. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    4153. 

  4153. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    4154. 

  4154. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    4155. 

  4155. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    4156. 

  4156. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    4157. 

  4157. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    4158. 

  4158. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    4159. 

  4159. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    4160. 

  4160. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    4161. 

  4161. 	at java.base/java.lang.Thread.run(Thread.java:833)
    4162. 

  4162. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    4163. 

  4163. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    4164. 

  4164. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    4165. 

  4165. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    4166. 

  4166. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    4167. 

  4167. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    4168. 

  4168. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    4169. 

  4169. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    4170. 

  4170. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    4171. 

  4171. 	... 37 common frames omitted
    4172. 

  4172. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    4173. 

  4173. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    4174. 

  4174. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    4175. 

  4175. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    4176. 

  4176. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    4177. 

  4177. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    4178. 

  4178. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    4179. 

  4179. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    4180. 

  4180. 	... 40 common frames omitted
    4181. 

  4181. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    4182. 

  4182. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    4183. 

  4183. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    4184. 

  4184. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    4185. 

  4185. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    4186. 

  4186. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    4187. 

  4187. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    4188. 

  4188. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    4189. 

  4189. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    4190. 

  4190. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    4191. 

  4191. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    4192. 

  4192. 	... 45 common frames omitted
    4193. 

  4193. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    4194. 

  4194. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    4195. 

  4195. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4196. 

  4196. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4197. 

  4197. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4198. 

  4198. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4199. 

  4199. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4200. 

  4200. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4201. 

  4201. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    4202. 

  4202. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    4203. 

  4203. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    4204. 

  4204. 	... 48 common frames omitted
    4205. 

  4205. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    4206. 

  4206. 

  4207. The last packet successfully received from the server was 1,767,590 milliseconds ago. The last packet sent successfully to the server was 1,767,642 milliseconds ago.
    4208. 

  4208. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    4209. 

  4209. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4210. 

  4210. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4211. 

  4211. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4212. 

  4212. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4213. 

  4213. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4214. 

  4214. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4215. 

  4215. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    4216. 

  4216. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    4217. 

  4217. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    4218. 

  4218. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    4219. 

  4219. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    4220. 

  4220. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    4221. 

  4221. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    4222. 

  4222. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    4223. 

  4223. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    4224. 

  4224. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    4225. 

  4225. 	... 46 common frames omitted
    4226. 

  4226. Caused by: java.net.SocketTimeoutException: Read timed out
    4227. 

  4227. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    4228. 

  4228. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    4229. 

  4229. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    4230. 

  4230. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    4231. 

  4231. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    4232. 

  4232. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    4233. 

  4233. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    4234. 

  4234. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    4235. 

  4235. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    4236. 

  4236. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    4237. 

  4237. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    4238. 

  4238. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    4239. 

  4239. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    4240. 

  4240. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    4241. 

  4241. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    4242. 

  4242. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    4243. 

  4243. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    4244. 

  4244. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    4245. 

  4245. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    4246. 

  4246. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    4247. 

  4247. 	... 54 common frames omitted
    4248. 

  4248. 06:11:10.473 [ForkJoinPool.commonPool-worker-23] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7d18ae64 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4249. 

  4249. 06:11:20.476 [ForkJoinPool.commonPool-worker-23] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1bbac76 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4250. 

  4250. 06:11:30.478 [ForkJoinPool.commonPool-worker-23] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@316422cb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4251. 

  4251. 06:11:30.479 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4252. 

  4252. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30006ms (total=9, active=0, idle=9, waiting=0)
    4253. 

  4253. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    4254. 

  4254. 	at java.base/java.util.Optional.map(Optional.java:260)
    4255. 

  4255. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    4256. 

  4256. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    4257. 

  4257. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    4258. 

  4258. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    4259. 

  4259. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    4260. 

  4260. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    4261. 

  4261. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    4262. 

  4262. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    4263. 

  4263. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    4264. 

  4264. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    4265. 

  4265. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    4266. 

  4266. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    4267. 

  4267. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    4268. 

  4268. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    4269. 

  4269. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    4270. 

  4270. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    4271. 

  4271. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    4272. 

  4272. 06:11:40.480 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@749f725f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4273. 

  4273. 06:11:40.481 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6db836e7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4274. 

  4274. 06:11:50.483 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@24f29b70 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4275. 

  4275. 06:11:50.484 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2fe7a177 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4276. 

  4276. 06:12:00.488 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@194edab8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4277. 

  4277. 06:12:00.489 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4278. 

  4278. 06:12:00.489 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=27, active=0, idle=27, waiting=0)
    4279. 

  4279. 06:12:00.489 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4280. 

  4280. 06:12:10.495 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@cbca0b6 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4281. 

  4281. 06:12:20.496 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@23ecfef2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4282. 

  4282. 06:12:30.499 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@69e6ba45 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4283. 

  4283. 06:12:30.500 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4284. 

  4284. 06:12:30.500 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    4285. 

  4285. 06:12:30.500 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4286. 

  4286. 06:12:30.500 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4287. 

  4287. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    4288. 

  4288. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    4289. 

  4289. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    4290. 

  4290. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    4291. 

  4291. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    4292. 

  4292. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    4293. 

  4293. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    4294. 

  4294. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4295. 

  4295. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    4296. 

  4296. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4297. 

  4297. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    4298. 

  4298. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4299. 

  4299. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    4300. 

  4300. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    4301. 

  4301. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    4302. 

  4302. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    4303. 

  4303. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4304. 

  4304. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4305. 

  4305. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    4306. 

  4306. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    4307. 

  4307. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    4308. 

  4308. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    4309. 

  4309. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    4310. 

  4310. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    4311. 

  4311. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    4312. 

  4312. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    4313. 

  4313. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    4314. 

  4314. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    4315. 

  4315. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    4316. 

  4316. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    4317. 

  4317. 	at java.base/java.lang.Thread.run(Thread.java:833)
    4318. 

  4318. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    4319. 

  4319. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    4320. 

  4320. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    4321. 

  4321. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    4322. 

  4322. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    4323. 

  4323. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    4324. 

  4324. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    4325. 

  4325. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    4326. 

  4326. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    4327. 

  4327. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    4328. 

  4328. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    4329. 

  4329. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    4330. 

  4330. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    4331. 

  4331. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    4332. 

  4332. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    4333. 

  4333. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    4334. 

  4334. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    4335. 

  4335. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    4336. 

  4336. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    4337. 

  4337. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    4338. 

  4338. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    4339. 

  4339. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    4340. 

  4340. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    4341. 

  4341. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    4342. 

  4342. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    4343. 

  4343. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    4344. 

  4344. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    4345. 

  4345. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    4346. 

  4346. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    4347. 

  4347. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    4348. 

  4348. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    4349. 

  4349. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4350. 

  4350. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4351. 

  4351. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    4352. 

  4352. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    4353. 

  4353. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    4354. 

  4354. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    4355. 

  4355. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    4356. 

  4356. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    4357. 

  4357. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    4358. 

  4358. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    4359. 

  4359. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    4360. 

  4360. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    4361. 

  4361. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4362. 

  4362. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    4363. 

  4363. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4364. 

  4364. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    4365. 

  4365. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    4366. 

  4366. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    4367. 

  4367. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4368. 

  4368. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    4369. 

  4369. 	... 24 common frames omitted
    4370. 

  4370. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    4371. 

  4371. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    4372. 

  4372. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    4373. 

  4373. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    4374. 

  4374. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    4375. 

  4375. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    4376. 

  4376. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    4377. 

  4377. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    4378. 

  4378. 	... 69 common frames omitted
    4379. 

  4379. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    4380. 

  4380. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    4381. 

  4381. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    4382. 

  4382. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    4383. 

  4383. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    4384. 

  4384. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    4385. 

  4385. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    4386. 

  4386. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    4387. 

  4387. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    4388. 

  4388. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    4389. 

  4389. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    4390. 

  4390. 	... 74 common frames omitted
    4391. 

  4391. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    4392. 

  4392. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    4393. 

  4393. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4394. 

  4394. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4395. 

  4395. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4396. 

  4396. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4397. 

  4397. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4398. 

  4398. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4399. 

  4399. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    4400. 

  4400. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    4401. 

  4401. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    4402. 

  4402. 	... 77 common frames omitted
    4403. 

  4403. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    4404. 

  4404. 

  4405. The last packet successfully received from the server was 1,789,800 milliseconds ago. The last packet sent successfully to the server was 1,789,858 milliseconds ago.
    4406. 

  4406. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    4407. 

  4407. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4408. 

  4408. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4409. 

  4409. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4410. 

  4410. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4411. 

  4411. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4412. 

  4412. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4413. 

  4413. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    4414. 

  4414. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    4415. 

  4415. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    4416. 

  4416. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    4417. 

  4417. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    4418. 

  4418. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    4419. 

  4419. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    4420. 

  4420. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    4421. 

  4421. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    4422. 

  4422. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    4423. 

  4423. 	... 75 common frames omitted
    4424. 

  4424. Caused by: java.net.SocketTimeoutException: Read timed out
    4425. 

  4425. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    4426. 

  4426. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    4427. 

  4427. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    4428. 

  4428. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    4429. 

  4429. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    4430. 

  4430. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    4431. 

  4431. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    4432. 

  4432. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    4433. 

  4433. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    4434. 

  4434. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    4435. 

  4435. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    4436. 

  4436. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    4437. 

  4437. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    4438. 

  4438. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    4439. 

  4439. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    4440. 

  4440. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    4441. 

  4441. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    4442. 

  4442. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    4443. 

  4443. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    4444. 

  4444. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    4445. 

  4445. 	... 83 common frames omitted
    4446. 

  4446. 06:12:41.839 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6b857f66 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4447. 

  4447. 06:39:10.002 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@16138685 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4448. 

  4448. 06:39:20.004 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@79757be5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4449. 

  4449. 06:39:30.007 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@16665e8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4450. 

  4450. 06:39:30.008 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4451. 

  4451. 06:39:30.008 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    4452. 

  4452. 06:39:30.008 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4453. 

  4453. 06:39:40.012 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@35c64612 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4454. 

  4454. 06:39:50.015 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@16fa7d9e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4455. 

  4455. 06:40:00.019 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@10c3e8d1 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4456. 

  4456. 06:40:00.020 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4457. 

  4457. 06:40:00.020 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=27, active=0, idle=27, waiting=0)
    4458. 

  4458. 06:40:00.020 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4459. 

  4459. 06:40:00.020 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4460. 

  4460. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    4461. 

  4461. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    4462. 

  4462. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    4463. 

  4463. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    4464. 

  4464. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    4465. 

  4465. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    4466. 

  4466. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    4467. 

  4467. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4468. 

  4468. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    4469. 

  4469. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4470. 

  4470. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    4471. 

  4471. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4472. 

  4472. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    4473. 

  4473. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    4474. 

  4474. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    4475. 

  4475. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    4476. 

  4476. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4477. 

  4477. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4478. 

  4478. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    4479. 

  4479. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    4480. 

  4480. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    4481. 

  4481. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    4482. 

  4482. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    4483. 

  4483. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    4484. 

  4484. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    4485. 

  4485. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    4486. 

  4486. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    4487. 

  4487. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    4488. 

  4488. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    4489. 

  4489. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    4490. 

  4490. 	at java.base/java.lang.Thread.run(Thread.java:833)
    4491. 

  4491. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=27, active=0, idle=27, waiting=0)] [n/a]
    4492. 

  4492. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    4493. 

  4493. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    4494. 

  4494. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    4495. 

  4495. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    4496. 

  4496. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    4497. 

  4497. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    4498. 

  4498. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    4499. 

  4499. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    4500. 

  4500. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    4501. 

  4501. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    4502. 

  4502. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    4503. 

  4503. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    4504. 

  4504. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    4505. 

  4505. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    4506. 

  4506. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    4507. 

  4507. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    4508. 

  4508. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    4509. 

  4509. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    4510. 

  4510. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    4511. 

  4511. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    4512. 

  4512. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    4513. 

  4513. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    4514. 

  4514. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    4515. 

  4515. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    4516. 

  4516. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    4517. 

  4517. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    4518. 

  4518. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    4519. 

  4519. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    4520. 

  4520. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    4521. 

  4521. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    4522. 

  4522. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4523. 

  4523. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4524. 

  4524. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    4525. 

  4525. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    4526. 

  4526. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    4527. 

  4527. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    4528. 

  4528. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    4529. 

  4529. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    4530. 

  4530. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    4531. 

  4531. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    4532. 

  4532. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    4533. 

  4533. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    4534. 

  4534. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4535. 

  4535. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    4536. 

  4536. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4537. 

  4537. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    4538. 

  4538. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    4539. 

  4539. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    4540. 

  4540. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4541. 

  4541. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    4542. 

  4542. 	... 24 common frames omitted
    4543. 

  4543. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30009ms (total=27, active=0, idle=27, waiting=0)
    4544. 

  4544. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    4545. 

  4545. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    4546. 

  4546. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    4547. 

  4547. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    4548. 

  4548. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    4549. 

  4549. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    4550. 

  4550. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    4551. 

  4551. 	... 69 common frames omitted
    4552. 

  4552. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    4553. 

  4553. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    4554. 

  4554. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    4555. 

  4555. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    4556. 

  4556. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    4557. 

  4557. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    4558. 

  4558. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    4559. 

  4559. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    4560. 

  4560. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    4561. 

  4561. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    4562. 

  4562. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    4563. 

  4563. 	... 74 common frames omitted
    4564. 

  4564. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    4565. 

  4565. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    4566. 

  4566. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4567. 

  4567. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4568. 

  4568. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4569. 

  4569. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4570. 

  4570. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4571. 

  4571. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4572. 

  4572. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    4573. 

  4573. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    4574. 

  4574. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    4575. 

  4575. 	... 77 common frames omitted
    4576. 

  4576. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    4577. 

  4577. 

  4578. The last packet successfully received from the server was 1,789,267 milliseconds ago. The last packet sent successfully to the server was 1,789,320 milliseconds ago.
    4579. 

  4579. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    4580. 

  4580. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4581. 

  4581. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4582. 

  4582. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4583. 

  4583. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4584. 

  4584. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4585. 

  4585. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4586. 

  4586. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    4587. 

  4587. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    4588. 

  4588. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    4589. 

  4589. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    4590. 

  4590. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    4591. 

  4591. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    4592. 

  4592. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    4593. 

  4593. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    4594. 

  4594. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    4595. 

  4595. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    4596. 

  4596. 	... 75 common frames omitted
    4597. 

  4597. Caused by: java.net.SocketTimeoutException: Read timed out
    4598. 

  4598. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    4599. 

  4599. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    4600. 

  4600. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    4601. 

  4601. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    4602. 

  4602. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    4603. 

  4603. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    4604. 

  4604. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    4605. 

  4605. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    4606. 

  4606. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    4607. 

  4607. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    4608. 

  4608. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    4609. 

  4609. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    4610. 

  4610. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    4611. 

  4611. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    4612. 

  4612. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    4613. 

  4613. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    4614. 

  4614. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    4615. 

  4615. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    4616. 

  4616. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    4617. 

  4617. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    4618. 

  4618. 	... 83 common frames omitted
    4619. 

  4619. 06:40:10.026 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3727599d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4620. 

  4620. 06:40:20.028 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3447f03b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4621. 

  4621. 06:40:30.032 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@41a58b5e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4622. 

  4622. 06:40:30.033 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4623. 

  4623. 06:40:30.033 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    4624. 

  4624. 06:40:30.033 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4625. 

  4625. 06:40:30.033 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4626. 

  4626. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    4627. 

  4627. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    4628. 

  4628. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    4629. 

  4629. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    4630. 

  4630. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    4631. 

  4631. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    4632. 

  4632. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    4633. 

  4633. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4634. 

  4634. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    4635. 

  4635. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4636. 

  4636. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    4637. 

  4637. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4638. 

  4638. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    4639. 

  4639. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4640. 

  4640. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    4641. 

  4641. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    4642. 

  4642. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    4643. 

  4643. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4644. 

  4644. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4645. 

  4645. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    4646. 

  4646. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    4647. 

  4647. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    4648. 

  4648. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    4649. 

  4649. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    4650. 

  4650. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4651. 

  4651. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4652. 

  4652. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    4653. 

  4653. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    4654. 

  4654. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    4655. 

  4655. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    4656. 

  4656. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    4657. 

  4657. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    4658. 

  4658. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    4659. 

  4659. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    4660. 

  4660. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    4661. 

  4661. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    4662. 

  4662. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    4663. 

  4663. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    4664. 

  4664. 	at java.base/java.lang.Thread.run(Thread.java:833)
    4665. 

  4665. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    4666. 

  4666. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    4667. 

  4667. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    4668. 

  4668. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    4669. 

  4669. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    4670. 

  4670. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    4671. 

  4671. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    4672. 

  4672. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    4673. 

  4673. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    4674. 

  4674. 	... 37 common frames omitted
    4675. 

  4675. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    4676. 

  4676. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    4677. 

  4677. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    4678. 

  4678. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    4679. 

  4679. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    4680. 

  4680. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    4681. 

  4681. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    4682. 

  4682. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    4683. 

  4683. 	... 40 common frames omitted
    4684. 

  4684. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    4685. 

  4685. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    4686. 

  4686. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    4687. 

  4687. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    4688. 

  4688. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    4689. 

  4689. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    4690. 

  4690. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    4691. 

  4691. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    4692. 

  4692. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    4693. 

  4693. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    4694. 

  4694. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    4695. 

  4695. 	... 45 common frames omitted
    4696. 

  4696. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    4697. 

  4697. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    4698. 

  4698. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4699. 

  4699. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4700. 

  4700. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4701. 

  4701. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4702. 

  4702. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4703. 

  4703. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4704. 

  4704. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    4705. 

  4705. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    4706. 

  4706. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    4707. 

  4707. 	... 48 common frames omitted
    4708. 

  4708. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    4709. 

  4709. 

  4710. The last packet successfully received from the server was 1,769,240 milliseconds ago. The last packet sent successfully to the server was 1,769,288 milliseconds ago.
    4711. 

  4711. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    4712. 

  4712. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4713. 

  4713. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4714. 

  4714. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4715. 

  4715. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4716. 

  4716. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4717. 

  4717. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4718. 

  4718. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    4719. 

  4719. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    4720. 

  4720. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    4721. 

  4721. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    4722. 

  4722. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    4723. 

  4723. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    4724. 

  4724. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    4725. 

  4725. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    4726. 

  4726. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    4727. 

  4727. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    4728. 

  4728. 	... 46 common frames omitted
    4729. 

  4729. Caused by: java.net.SocketTimeoutException: Read timed out
    4730. 

  4730. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    4731. 

  4731. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    4732. 

  4732. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    4733. 

  4733. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    4734. 

  4734. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    4735. 

  4735. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    4736. 

  4736. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    4737. 

  4737. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    4738. 

  4738. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    4739. 

  4739. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    4740. 

  4740. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    4741. 

  4741. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    4742. 

  4742. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    4743. 

  4743. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    4744. 

  4744. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    4745. 

  4745. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    4746. 

  4746. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    4747. 

  4747. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    4748. 

  4748. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    4749. 

  4749. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    4750. 

  4750. 	... 54 common frames omitted
    4751. 

  4751. 06:40:40.461 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6abc3e11 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4752. 

  4752. 06:40:50.463 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@43f2d23d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4753. 

  4753. 06:41:00.468 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@38c9b49c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4754. 

  4754. 06:41:00.468 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4755. 

  4755. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30010ms (total=8, active=0, idle=8, waiting=0)
    4756. 

  4756. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    4757. 

  4757. 	at java.base/java.util.Optional.map(Optional.java:260)
    4758. 

  4758. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    4759. 

  4759. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    4760. 

  4760. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    4761. 

  4761. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    4762. 

  4762. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    4763. 

  4763. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    4764. 

  4764. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    4765. 

  4765. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    4766. 

  4766. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    4767. 

  4767. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    4768. 

  4768. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    4769. 

  4769. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    4770. 

  4770. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    4771. 

  4771. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.helpComplete(ForkJoinPool.java:1223)
    4772. 

  4772. 	at java.base/java.util.concurrent.ForkJoinPool.helpComplete(ForkJoinPool.java:1915)
    4773. 

  4773. 	at java.base/java.util.concurrent.ForkJoinTask.awaitDone(ForkJoinTask.java:433)
    4774. 

  4774. 	at java.base/java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:687)
    4775. 

  4775. 	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateParallel(ForEachOps.java:159)
    4776. 

  4776. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateParallel(ForEachOps.java:173)
    4777. 

  4777. 	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
    4778. 

  4778. 	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
    4779. 

  4779. 	at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:765)
    4780. 

  4780. 	at com.scbfkj.uni.logs.Log.send(Log.java:407)
    4781. 

  4781. 	at jdk.internal.reflect.GeneratedMethodAccessor76.invoke(Unknown Source)
    4782. 

  4782. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4783. 

  4783. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4784. 

  4784. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    4785. 

  4785. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    4786. 

  4786. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    4787. 

  4787. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    4788. 

  4788. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    4789. 

  4789. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    4790. 

  4790. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    4791. 

  4791. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    4792. 

  4792. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    4793. 

  4793. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    4794. 

  4794. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    4795. 

  4795. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    4796. 

  4796. 	at java.base/java.lang.Thread.run(Thread.java:833)
    4797. 

  4797. 06:41:10.473 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4b7adb99 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4798. 

  4798. 06:41:20.476 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3e62fb3e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4799. 

  4799. 06:41:30.479 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6b155214 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4800. 

  4800. 06:41:30.480 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4801. 

  4801. 06:41:30.480 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=24, active=0, idle=24, waiting=0)
    4802. 

  4802. 06:41:30.480 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4803. 

  4803. 06:41:40.775 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@52412784 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4804. 

  4804. 06:41:50.778 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6c4789bb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4805. 

  4805. 06:42:00.782 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6e2aef7a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4806. 

  4806. 06:42:00.782 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4807. 

  4807. 06:42:00.782 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)
    4808. 

  4808. 06:42:00.782 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4809. 

  4809. 06:42:00.782 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4810. 

  4810. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    4811. 

  4811. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    4812. 

  4812. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    4813. 

  4813. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    4814. 

  4814. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    4815. 

  4815. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    4816. 

  4816. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    4817. 

  4817. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4818. 

  4818. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    4819. 

  4819. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4820. 

  4820. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    4821. 

  4821. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4822. 

  4822. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    4823. 

  4823. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    4824. 

  4824. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    4825. 

  4825. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    4826. 

  4826. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4827. 

  4827. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4828. 

  4828. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    4829. 

  4829. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    4830. 

  4830. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    4831. 

  4831. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    4832. 

  4832. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    4833. 

  4833. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    4834. 

  4834. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    4835. 

  4835. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    4836. 

  4836. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    4837. 

  4837. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    4838. 

  4838. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    4839. 

  4839. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    4840. 

  4840. 	at java.base/java.lang.Thread.run(Thread.java:833)
    4841. 

  4841. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    4842. 

  4842. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    4843. 

  4843. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    4844. 

  4844. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    4845. 

  4845. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    4846. 

  4846. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    4847. 

  4847. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    4848. 

  4848. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    4849. 

  4849. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    4850. 

  4850. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    4851. 

  4851. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    4852. 

  4852. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    4853. 

  4853. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    4854. 

  4854. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    4855. 

  4855. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    4856. 

  4856. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    4857. 

  4857. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    4858. 

  4858. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    4859. 

  4859. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    4860. 

  4860. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    4861. 

  4861. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    4862. 

  4862. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    4863. 

  4863. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    4864. 

  4864. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    4865. 

  4865. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    4866. 

  4866. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    4867. 

  4867. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    4868. 

  4868. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    4869. 

  4869. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    4870. 

  4870. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    4871. 

  4871. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    4872. 

  4872. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4873. 

  4873. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    4874. 

  4874. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    4875. 

  4875. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    4876. 

  4876. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    4877. 

  4877. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    4878. 

  4878. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    4879. 

  4879. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    4880. 

  4880. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    4881. 

  4881. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    4882. 

  4882. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    4883. 

  4883. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    4884. 

  4884. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4885. 

  4885. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    4886. 

  4886. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4887. 

  4887. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    4888. 

  4888. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    4889. 

  4889. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    4890. 

  4890. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4891. 

  4891. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    4892. 

  4892. 	... 24 common frames omitted
    4893. 

  4893. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30008ms (total=28, active=0, idle=28, waiting=0)
    4894. 

  4894. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    4895. 

  4895. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    4896. 

  4896. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    4897. 

  4897. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    4898. 

  4898. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    4899. 

  4899. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    4900. 

  4900. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    4901. 

  4901. 	... 69 common frames omitted
    4902. 

  4902. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    4903. 

  4903. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    4904. 

  4904. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    4905. 

  4905. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    4906. 

  4906. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    4907. 

  4907. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    4908. 

  4908. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    4909. 

  4909. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    4910. 

  4910. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    4911. 

  4911. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    4912. 

  4912. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    4913. 

  4913. 	... 74 common frames omitted
    4914. 

  4914. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    4915. 

  4915. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    4916. 

  4916. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4917. 

  4917. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4918. 

  4918. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4919. 

  4919. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4920. 

  4920. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4921. 

  4921. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4922. 

  4922. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    4923. 

  4923. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    4924. 

  4924. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    4925. 

  4925. 	... 77 common frames omitted
    4926. 

  4926. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    4927. 

  4927. 

  4928. The last packet successfully received from the server was 1,779,311 milliseconds ago. The last packet sent successfully to the server was 1,779,359 milliseconds ago.
    4929. 

  4929. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    4930. 

  4930. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    4931. 

  4931. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    4932. 

  4932. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    4933. 

  4933. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    4934. 

  4934. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    4935. 

  4935. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    4936. 

  4936. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    4937. 

  4937. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    4938. 

  4938. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    4939. 

  4939. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    4940. 

  4940. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    4941. 

  4941. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    4942. 

  4942. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    4943. 

  4943. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    4944. 

  4944. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    4945. 

  4945. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    4946. 

  4946. 	... 75 common frames omitted
    4947. 

  4947. Caused by: java.net.SocketTimeoutException: Read timed out
    4948. 

  4948. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    4949. 

  4949. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    4950. 

  4950. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    4951. 

  4951. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    4952. 

  4952. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    4953. 

  4953. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    4954. 

  4954. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    4955. 

  4955. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    4956. 

  4956. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    4957. 

  4957. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    4958. 

  4958. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    4959. 

  4959. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    4960. 

  4960. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    4961. 

  4961. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    4962. 

  4962. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    4963. 

  4963. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    4964. 

  4964. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    4965. 

  4965. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    4966. 

  4966. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    4967. 

  4967. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    4968. 

  4968. 	... 83 common frames omitted
    4969. 

  4969. 06:42:10.788 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5a504e47 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4970. 

  4970. 06:42:20.792 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@138a1acc (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4971. 

  4971. 07:08:40.002 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6ff44e41 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4972. 

  4972. 07:08:50.006 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2032475 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4973. 

  4973. 07:09:00.010 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4d82cc28 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4974. 

  4974. 07:09:00.011 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4975. 

  4975. 07:09:00.011 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    4976. 

  4976. 07:09:00.011 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4977. 

  4977. 07:09:10.290 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@46696b14 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4978. 

  4978. 07:09:20.294 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@39d31776 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4979. 

  4979. 07:09:30.299 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3fd66e3e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    4980. 

  4980. 07:09:30.299 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    4981. 

  4981. 07:09:30.299 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    4982. 

  4982. 07:09:30.299 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    4983. 

  4983. 07:09:30.300 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    4984. 

  4984. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    4985. 

  4985. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    4986. 

  4986. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    4987. 

  4987. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    4988. 

  4988. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    4989. 

  4989. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    4990. 

  4990. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    4991. 

  4991. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4992. 

  4992. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    4993. 

  4993. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4994. 

  4994. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    4995. 

  4995. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    4996. 

  4996. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    4997. 

  4997. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    4998. 

  4998. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    4999. 

  4999. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    5000. 

  5000. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5001. 

  5001. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5002. 

  5002. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    5003. 

  5003. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    5004. 

  5004. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    5005. 

  5005. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    5006. 

  5006. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    5007. 

  5007. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    5008. 

  5008. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    5009. 

  5009. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    5010. 

  5010. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    5011. 

  5011. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    5012. 

  5012. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    5013. 

  5013. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    5014. 

  5014. 	at java.base/java.lang.Thread.run(Thread.java:833)
    5015. 

  5015. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5016. 

  5016. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    5017. 

  5017. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    5018. 

  5018. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    5019. 

  5019. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    5020. 

  5020. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    5021. 

  5021. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    5022. 

  5022. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    5023. 

  5023. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    5024. 

  5024. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    5025. 

  5025. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    5026. 

  5026. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    5027. 

  5027. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    5028. 

  5028. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    5029. 

  5029. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    5030. 

  5030. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    5031. 

  5031. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    5032. 

  5032. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    5033. 

  5033. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    5034. 

  5034. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    5035. 

  5035. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    5036. 

  5036. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    5037. 

  5037. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    5038. 

  5038. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    5039. 

  5039. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    5040. 

  5040. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    5041. 

  5041. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    5042. 

  5042. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    5043. 

  5043. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    5044. 

  5044. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    5045. 

  5045. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    5046. 

  5046. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5047. 

  5047. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5048. 

  5048. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    5049. 

  5049. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    5050. 

  5050. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    5051. 

  5051. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    5052. 

  5052. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    5053. 

  5053. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    5054. 

  5054. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    5055. 

  5055. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    5056. 

  5056. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    5057. 

  5057. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    5058. 

  5058. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5059. 

  5059. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    5060. 

  5060. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5061. 

  5061. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    5062. 

  5062. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    5063. 

  5063. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    5064. 

  5064. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5065. 

  5065. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    5066. 

  5066. 	... 24 common frames omitted
    5067. 

  5067. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    5068. 

  5068. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    5069. 

  5069. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    5070. 

  5070. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    5071. 

  5071. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    5072. 

  5072. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    5073. 

  5073. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    5074. 

  5074. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    5075. 

  5075. 	... 69 common frames omitted
    5076. 

  5076. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    5077. 

  5077. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    5078. 

  5078. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    5079. 

  5079. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    5080. 

  5080. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    5081. 

  5081. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    5082. 

  5082. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    5083. 

  5083. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    5084. 

  5084. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    5085. 

  5085. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    5086. 

  5086. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    5087. 

  5087. 	... 74 common frames omitted
    5088. 

  5088. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    5089. 

  5089. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    5090. 

  5090. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5091. 

  5091. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5092. 

  5092. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5093. 

  5093. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5094. 

  5094. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5095. 

  5095. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5096. 

  5096. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    5097. 

  5097. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    5098. 

  5098. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    5099. 

  5099. 	... 77 common frames omitted
    5100. 

  5100. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    5101. 

  5101. 

  5102. The last packet successfully received from the server was 1,767,444 milliseconds ago. The last packet sent successfully to the server was 1,767,489 milliseconds ago.
    5103. 

  5103. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    5104. 

  5104. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5105. 

  5105. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5106. 

  5106. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5107. 

  5107. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5108. 

  5108. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5109. 

  5109. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5110. 

  5110. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    5111. 

  5111. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    5112. 

  5112. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    5113. 

  5113. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    5114. 

  5114. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    5115. 

  5115. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    5116. 

  5116. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    5117. 

  5117. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    5118. 

  5118. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    5119. 

  5119. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    5120. 

  5120. 	... 75 common frames omitted
    5121. 

  5121. Caused by: java.net.SocketTimeoutException: Read timed out
    5122. 

  5122. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    5123. 

  5123. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    5124. 

  5124. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    5125. 

  5125. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    5126. 

  5126. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    5127. 

  5127. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    5128. 

  5128. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    5129. 

  5129. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    5130. 

  5130. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    5131. 

  5131. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    5132. 

  5132. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    5133. 

  5133. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    5134. 

  5134. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    5135. 

  5135. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    5136. 

  5136. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    5137. 

  5137. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    5138. 

  5138. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    5139. 

  5139. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    5140. 

  5140. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    5141. 

  5141. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    5142. 

  5142. 	... 83 common frames omitted
    5143. 

  5143. 07:09:40.305 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4bd24d4c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5144. 

  5144. 07:09:50.307 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6de5ed00 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5145. 

  5145. 07:10:00.313 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@64ad4ca3 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5146. 

  5146. 07:10:00.313 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5147. 

  5147. 07:10:00.313 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)
    5148. 

  5148. 07:10:00.313 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5149. 

  5149. 07:10:00.313 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    5150. 

  5150. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    5151. 

  5151. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    5152. 

  5152. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    5153. 

  5153. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    5154. 

  5154. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    5155. 

  5155. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    5156. 

  5156. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    5157. 

  5157. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5158. 

  5158. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    5159. 

  5159. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5160. 

  5160. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    5161. 

  5161. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5162. 

  5162. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    5163. 

  5163. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5164. 

  5164. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    5165. 

  5165. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    5166. 

  5166. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    5167. 

  5167. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5168. 

  5168. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5169. 

  5169. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    5170. 

  5170. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    5171. 

  5171. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    5172. 

  5172. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    5173. 

  5173. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    5174. 

  5174. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5175. 

  5175. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5176. 

  5176. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    5177. 

  5177. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    5178. 

  5178. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    5179. 

  5179. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    5180. 

  5180. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    5181. 

  5181. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    5182. 

  5182. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    5183. 

  5183. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    5184. 

  5184. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    5185. 

  5185. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    5186. 

  5186. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    5187. 

  5187. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    5188. 

  5188. 	at java.base/java.lang.Thread.run(Thread.java:833)
    5189. 

  5189. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5190. 

  5190. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    5191. 

  5191. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    5192. 

  5192. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    5193. 

  5193. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    5194. 

  5194. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    5195. 

  5195. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    5196. 

  5196. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    5197. 

  5197. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    5198. 

  5198. 	... 37 common frames omitted
    5199. 

  5199. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)
    5200. 

  5200. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    5201. 

  5201. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    5202. 

  5202. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    5203. 

  5203. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    5204. 

  5204. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    5205. 

  5205. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    5206. 

  5206. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    5207. 

  5207. 	... 40 common frames omitted
    5208. 

  5208. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    5209. 

  5209. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    5210. 

  5210. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    5211. 

  5211. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    5212. 

  5212. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    5213. 

  5213. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    5214. 

  5214. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    5215. 

  5215. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    5216. 

  5216. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    5217. 

  5217. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    5218. 

  5218. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    5219. 

  5219. 	... 45 common frames omitted
    5220. 

  5220. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    5221. 

  5221. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    5222. 

  5222. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5223. 

  5223. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5224. 

  5224. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5225. 

  5225. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5226. 

  5226. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5227. 

  5227. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5228. 

  5228. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    5229. 

  5229. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    5230. 

  5230. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    5231. 

  5231. 	... 48 common frames omitted
    5232. 

  5232. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    5233. 

  5233. 

  5234. The last packet successfully received from the server was 1,788,681 milliseconds ago. The last packet sent successfully to the server was 1,788,737 milliseconds ago.
    5235. 

  5235. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    5236. 

  5236. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5237. 

  5237. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5238. 

  5238. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5239. 

  5239. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5240. 

  5240. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5241. 

  5241. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5242. 

  5242. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    5243. 

  5243. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    5244. 

  5244. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    5245. 

  5245. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    5246. 

  5246. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    5247. 

  5247. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    5248. 

  5248. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    5249. 

  5249. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    5250. 

  5250. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    5251. 

  5251. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    5252. 

  5252. 	... 46 common frames omitted
    5253. 

  5253. Caused by: java.net.SocketTimeoutException: Read timed out
    5254. 

  5254. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    5255. 

  5255. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    5256. 

  5256. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    5257. 

  5257. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    5258. 

  5258. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    5259. 

  5259. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    5260. 

  5260. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    5261. 

  5261. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    5262. 

  5262. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    5263. 

  5263. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    5264. 

  5264. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    5265. 

  5265. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    5266. 

  5266. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    5267. 

  5267. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    5268. 

  5268. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    5269. 

  5269. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    5270. 

  5270. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    5271. 

  5271. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    5272. 

  5272. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    5273. 

  5273. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    5274. 

  5274. 	... 54 common frames omitted
    5275. 

  5275. 07:10:10.492 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5757f084 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5276. 

  5276. 07:10:20.493 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1dcfe2e3 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5277. 

  5277. 07:10:30.497 [ForkJoinPool.commonPool-worker-19] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6fd4936f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5278. 

  5278. 07:10:30.498 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    5279. 

  5279. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30007ms (total=9, active=0, idle=9, waiting=0)
    5280. 

  5280. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    5281. 

  5281. 	at java.base/java.util.Optional.map(Optional.java:260)
    5282. 

  5282. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    5283. 

  5283. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    5284. 

  5284. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    5285. 

  5285. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    5286. 

  5286. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    5287. 

  5287. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    5288. 

  5288. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    5289. 

  5289. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    5290. 

  5290. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    5291. 

  5291. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    5292. 

  5292. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    5293. 

  5293. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    5294. 

  5294. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    5295. 

  5295. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    5296. 

  5296. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    5297. 

  5297. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    5298. 

  5298. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    5299. 

  5299. 07:10:40.501 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@47f5e83b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5300. 

  5300. 07:10:40.502 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2c97aec (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5301. 

  5301. 07:10:50.503 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@eecaa3a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5302. 

  5302. 07:10:50.506 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6795b25e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5303. 

  5303. 07:11:00.506 [ForkJoinPool.commonPool-worker-12] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@30c6900c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5304. 

  5304. 07:11:00.508 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@707c9ffa (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5305. 

  5305. 07:11:00.508 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5306. 

  5306. 07:11:00.508 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)
    5307. 

  5307. 07:11:00.508 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5308. 

  5308. 07:11:10.513 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3419bd4a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5309. 

  5309. 07:11:20.517 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3ec0fa47 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5310. 

  5310. 07:11:30.520 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@144dafc2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5311. 

  5311. 07:11:30.521 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5312. 

  5312. 07:11:30.521 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    5313. 

  5313. 07:11:30.521 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5314. 

  5314. 07:11:30.521 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    5315. 

  5315. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5316. 

  5316. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    5317. 

  5317. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    5318. 

  5318. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    5319. 

  5319. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    5320. 

  5320. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    5321. 

  5321. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    5322. 

  5322. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5323. 

  5323. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    5324. 

  5324. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5325. 

  5325. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    5326. 

  5326. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5327. 

  5327. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    5328. 

  5328. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    5329. 

  5329. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    5330. 

  5330. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    5331. 

  5331. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5332. 

  5332. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5333. 

  5333. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    5334. 

  5334. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    5335. 

  5335. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    5336. 

  5336. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    5337. 

  5337. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    5338. 

  5338. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    5339. 

  5339. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    5340. 

  5340. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    5341. 

  5341. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    5342. 

  5342. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    5343. 

  5343. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    5344. 

  5344. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    5345. 

  5345. 	at java.base/java.lang.Thread.run(Thread.java:833)
    5346. 

  5346. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5347. 

  5347. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    5348. 

  5348. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    5349. 

  5349. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    5350. 

  5350. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    5351. 

  5351. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    5352. 

  5352. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    5353. 

  5353. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    5354. 

  5354. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    5355. 

  5355. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    5356. 

  5356. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    5357. 

  5357. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    5358. 

  5358. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    5359. 

  5359. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    5360. 

  5360. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    5361. 

  5361. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    5362. 

  5362. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    5363. 

  5363. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    5364. 

  5364. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    5365. 

  5365. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    5366. 

  5366. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    5367. 

  5367. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    5368. 

  5368. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    5369. 

  5369. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    5370. 

  5370. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    5371. 

  5371. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    5372. 

  5372. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    5373. 

  5373. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    5374. 

  5374. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    5375. 

  5375. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    5376. 

  5376. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    5377. 

  5377. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5378. 

  5378. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5379. 

  5379. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    5380. 

  5380. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    5381. 

  5381. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    5382. 

  5382. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    5383. 

  5383. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    5384. 

  5384. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    5385. 

  5385. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    5386. 

  5386. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    5387. 

  5387. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    5388. 

  5388. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    5389. 

  5389. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5390. 

  5390. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    5391. 

  5391. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5392. 

  5392. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    5393. 

  5393. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    5394. 

  5394. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    5395. 

  5395. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5396. 

  5396. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    5397. 

  5397. 	... 24 common frames omitted
    5398. 

  5398. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    5399. 

  5399. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    5400. 

  5400. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    5401. 

  5401. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    5402. 

  5402. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    5403. 

  5403. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    5404. 

  5404. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    5405. 

  5405. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    5406. 

  5406. 	... 69 common frames omitted
    5407. 

  5407. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    5408. 

  5408. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    5409. 

  5409. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    5410. 

  5410. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    5411. 

  5411. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    5412. 

  5412. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    5413. 

  5413. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    5414. 

  5414. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    5415. 

  5415. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    5416. 

  5416. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    5417. 

  5417. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    5418. 

  5418. 	... 74 common frames omitted
    5419. 

  5419. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    5420. 

  5420. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    5421. 

  5421. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5422. 

  5422. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5423. 

  5423. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5424. 

  5424. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5425. 

  5425. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5426. 

  5426. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5427. 

  5427. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    5428. 

  5428. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    5429. 

  5429. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    5430. 

  5430. 	... 77 common frames omitted
    5431. 

  5431. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    5432. 

  5432. 

  5433. The last packet successfully received from the server was 1,769,057 milliseconds ago. The last packet sent successfully to the server was 1,769,103 milliseconds ago.
    5434. 

  5434. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    5435. 

  5435. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5436. 

  5436. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5437. 

  5437. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5438. 

  5438. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5439. 

  5439. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5440. 

  5440. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5441. 

  5441. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    5442. 

  5442. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    5443. 

  5443. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    5444. 

  5444. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    5445. 

  5445. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    5446. 

  5446. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    5447. 

  5447. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    5448. 

  5448. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    5449. 

  5449. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    5450. 

  5450. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    5451. 

  5451. 	... 75 common frames omitted
    5452. 

  5452. Caused by: java.net.SocketTimeoutException: Read timed out
    5453. 

  5453. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    5454. 

  5454. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    5455. 

  5455. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    5456. 

  5456. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    5457. 

  5457. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    5458. 

  5458. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    5459. 

  5459. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    5460. 

  5460. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    5461. 

  5461. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    5462. 

  5462. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    5463. 

  5463. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    5464. 

  5464. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    5465. 

  5465. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    5466. 

  5466. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    5467. 

  5467. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    5468. 

  5468. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    5469. 

  5469. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    5470. 

  5470. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    5471. 

  5471. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    5472. 

  5472. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    5473. 

  5473. 	... 83 common frames omitted
    5474. 

  5474. 07:11:41.912 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@68119326 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5475. 

  5475. 07:11:51.915 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@47fce904 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5476. 

  5476. 07:12:01.917 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4b32648c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5477. 

  5477. 07:12:01.918 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5478. 

  5478. 07:12:01.918 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    5479. 

  5479. 07:12:01.918 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5480. 

  5480. 07:12:01.918 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    5481. 

  5481. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    5482. 

  5482. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    5483. 

  5483. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    5484. 

  5484. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    5485. 

  5485. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    5486. 

  5486. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    5487. 

  5487. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    5488. 

  5488. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5489. 

  5489. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    5490. 

  5490. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5491. 

  5491. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    5492. 

  5492. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5493. 

  5493. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    5494. 

  5494. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5495. 

  5495. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    5496. 

  5496. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    5497. 

  5497. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    5498. 

  5498. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5499. 

  5499. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5500. 

  5500. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    5501. 

  5501. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    5502. 

  5502. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    5503. 

  5503. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    5504. 

  5504. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    5505. 

  5505. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5506. 

  5506. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5507. 

  5507. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    5508. 

  5508. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    5509. 

  5509. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    5510. 

  5510. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    5511. 

  5511. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    5512. 

  5512. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    5513. 

  5513. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    5514. 

  5514. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    5515. 

  5515. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    5516. 

  5516. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    5517. 

  5517. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    5518. 

  5518. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    5519. 

  5519. 	at java.base/java.lang.Thread.run(Thread.java:833)
    5520. 

  5520. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5521. 

  5521. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    5522. 

  5522. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    5523. 

  5523. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    5524. 

  5524. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    5525. 

  5525. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    5526. 

  5526. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    5527. 

  5527. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    5528. 

  5528. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    5529. 

  5529. 	... 37 common frames omitted
    5530. 

  5530. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    5531. 

  5531. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    5532. 

  5532. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    5533. 

  5533. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    5534. 

  5534. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    5535. 

  5535. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    5536. 

  5536. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    5537. 

  5537. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    5538. 

  5538. 	... 40 common frames omitted
    5539. 

  5539. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    5540. 

  5540. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    5541. 

  5541. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    5542. 

  5542. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    5543. 

  5543. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    5544. 

  5544. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    5545. 

  5545. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    5546. 

  5546. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    5547. 

  5547. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    5548. 

  5548. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    5549. 

  5549. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    5550. 

  5550. 	... 45 common frames omitted
    5551. 

  5551. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    5552. 

  5552. 	at jdk.internal.reflect.GeneratedConstructorAccessor101.newInstance(Unknown Source)
    5553. 

  5553. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5554. 

  5554. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5555. 

  5555. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5556. 

  5556. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5557. 

  5557. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5558. 

  5558. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5559. 

  5559. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    5560. 

  5560. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    5561. 

  5561. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    5562. 

  5562. 	... 48 common frames omitted
    5563. 

  5563. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    5564. 

  5564. 

  5565. The last packet successfully received from the server was 1,771,434 milliseconds ago. The last packet sent successfully to the server was 1,771,482 milliseconds ago.
    5566. 

  5566. 	at jdk.internal.reflect.GeneratedConstructorAccessor100.newInstance(Unknown Source)
    5567. 

  5567. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5568. 

  5568. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5569. 

  5569. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5570. 

  5570. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5571. 

  5571. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5572. 

  5572. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5573. 

  5573. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    5574. 

  5574. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    5575. 

  5575. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    5576. 

  5576. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    5577. 

  5577. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    5578. 

  5578. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    5579. 

  5579. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    5580. 

  5580. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    5581. 

  5581. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    5582. 

  5582. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    5583. 

  5583. 	... 46 common frames omitted
    5584. 

  5584. Caused by: java.net.SocketTimeoutException: Read timed out
    5585. 

  5585. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    5586. 

  5586. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    5587. 

  5587. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    5588. 

  5588. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    5589. 

  5589. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    5590. 

  5590. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    5591. 

  5591. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    5592. 

  5592. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    5593. 

  5593. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    5594. 

  5594. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    5595. 

  5595. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    5596. 

  5596. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    5597. 

  5597. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    5598. 

  5598. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    5599. 

  5599. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    5600. 

  5600. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    5601. 

  5601. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    5602. 

  5602. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    5603. 

  5603. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    5604. 

  5604. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    5605. 

  5605. 	... 54 common frames omitted
    5606. 

  5606. 07:38:10.005 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@381cba55 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5607. 

  5607. 07:38:20.006 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2672ba27 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5608. 

  5608. 07:38:30.008 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@631bb456 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5609. 

  5609. 07:38:30.009 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5610. 

  5610. 07:38:30.009 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    5611. 

  5611. 07:38:30.009 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5612. 

  5612. 07:38:30.009 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    5613. 

  5613. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5614. 

  5614. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    5615. 

  5615. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    5616. 

  5616. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    5617. 

  5617. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    5618. 

  5618. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    5619. 

  5619. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    5620. 

  5620. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5621. 

  5621. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    5622. 

  5622. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5623. 

  5623. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    5624. 

  5624. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5625. 

  5625. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    5626. 

  5626. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    5627. 

  5627. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    5628. 

  5628. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    5629. 

  5629. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5630. 

  5630. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5631. 

  5631. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    5632. 

  5632. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    5633. 

  5633. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    5634. 

  5634. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    5635. 

  5635. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    5636. 

  5636. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    5637. 

  5637. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    5638. 

  5638. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    5639. 

  5639. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    5640. 

  5640. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    5641. 

  5641. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    5642. 

  5642. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    5643. 

  5643. 	at java.base/java.lang.Thread.run(Thread.java:833)
    5644. 

  5644. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5645. 

  5645. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    5646. 

  5646. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    5647. 

  5647. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    5648. 

  5648. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    5649. 

  5649. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    5650. 

  5650. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    5651. 

  5651. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    5652. 

  5652. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    5653. 

  5653. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    5654. 

  5654. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    5655. 

  5655. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    5656. 

  5656. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    5657. 

  5657. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    5658. 

  5658. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    5659. 

  5659. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    5660. 

  5660. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    5661. 

  5661. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    5662. 

  5662. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    5663. 

  5663. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    5664. 

  5664. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    5665. 

  5665. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    5666. 

  5666. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    5667. 

  5667. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    5668. 

  5668. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    5669. 

  5669. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    5670. 

  5670. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    5671. 

  5671. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    5672. 

  5672. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    5673. 

  5673. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    5674. 

  5674. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    5675. 

  5675. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5676. 

  5676. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5677. 

  5677. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    5678. 

  5678. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    5679. 

  5679. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    5680. 

  5680. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    5681. 

  5681. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    5682. 

  5682. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    5683. 

  5683. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    5684. 

  5684. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    5685. 

  5685. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    5686. 

  5686. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    5687. 

  5687. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5688. 

  5688. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    5689. 

  5689. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5690. 

  5690. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    5691. 

  5691. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    5692. 

  5692. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    5693. 

  5693. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5694. 

  5694. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    5695. 

  5695. 	... 24 common frames omitted
    5696. 

  5696. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30007ms (total=29, active=0, idle=29, waiting=0)
    5697. 

  5697. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    5698. 

  5698. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    5699. 

  5699. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    5700. 

  5700. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    5701. 

  5701. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    5702. 

  5702. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    5703. 

  5703. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    5704. 

  5704. 	... 69 common frames omitted
    5705. 

  5705. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    5706. 

  5706. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    5707. 

  5707. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    5708. 

  5708. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    5709. 

  5709. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    5710. 

  5710. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    5711. 

  5711. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    5712. 

  5712. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    5713. 

  5713. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    5714. 

  5714. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    5715. 

  5715. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    5716. 

  5716. 	... 74 common frames omitted
    5717. 

  5717. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    5718. 

  5718. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    5719. 

  5719. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    5720. 

  5720. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5721. 

  5721. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5722. 

  5722. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5723. 

  5723. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5724. 

  5724. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5725. 

  5725. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5726. 

  5726. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    5727. 

  5727. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    5728. 

  5728. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    5729. 

  5729. 	... 77 common frames omitted
    5730. 

  5730. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    5731. 

  5731. 

  5732. The last packet successfully received from the server was 1,769,559 milliseconds ago. The last packet sent successfully to the server was 1,769,607 milliseconds ago.
    5733. 

  5733. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    5734. 

  5734. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    5735. 

  5735. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5736. 

  5736. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5737. 

  5737. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5738. 

  5738. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5739. 

  5739. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5740. 

  5740. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5741. 

  5741. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    5742. 

  5742. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    5743. 

  5743. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    5744. 

  5744. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    5745. 

  5745. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    5746. 

  5746. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    5747. 

  5747. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    5748. 

  5748. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    5749. 

  5749. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    5750. 

  5750. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    5751. 

  5751. 	... 75 common frames omitted
    5752. 

  5752. Caused by: java.net.SocketTimeoutException: Read timed out
    5753. 

  5753. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    5754. 

  5754. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    5755. 

  5755. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    5756. 

  5756. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    5757. 

  5757. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    5758. 

  5758. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    5759. 

  5759. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    5760. 

  5760. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    5761. 

  5761. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    5762. 

  5762. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    5763. 

  5763. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    5764. 

  5764. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    5765. 

  5765. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    5766. 

  5766. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    5767. 

  5767. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    5768. 

  5768. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    5769. 

  5769. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    5770. 

  5770. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    5771. 

  5771. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    5772. 

  5772. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    5773. 

  5773. 	... 83 common frames omitted
    5774. 

  5774. 07:38:40.014 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@ee71803 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5775. 

  5775. 07:38:50.017 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5d077a0a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5776. 

  5776. 07:39:00.021 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@50e3d993 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5777. 

  5777. 07:39:00.022 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5778. 

  5778. 07:39:00.022 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    5779. 

  5779. 07:39:00.022 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5780. 

  5780. 07:39:10.026 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@22d8e811 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5781. 

  5781. 07:39:20.028 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1a6a9997 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5782. 

  5782. 07:39:30.034 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@60409a98 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5783. 

  5783. 07:39:30.034 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5784. 

  5784. 07:39:30.034 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)
    5785. 

  5785. 07:39:30.034 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5786. 

  5786. 07:39:30.034 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    5787. 

  5787. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    5788. 

  5788. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    5789. 

  5789. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    5790. 

  5790. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    5791. 

  5791. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    5792. 

  5792. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    5793. 

  5793. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    5794. 

  5794. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5795. 

  5795. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    5796. 

  5796. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5797. 

  5797. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    5798. 

  5798. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5799. 

  5799. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    5800. 

  5800. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5801. 

  5801. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    5802. 

  5802. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    5803. 

  5803. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    5804. 

  5804. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5805. 

  5805. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5806. 

  5806. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    5807. 

  5807. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    5808. 

  5808. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    5809. 

  5809. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    5810. 

  5810. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    5811. 

  5811. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5812. 

  5812. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5813. 

  5813. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    5814. 

  5814. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    5815. 

  5815. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    5816. 

  5816. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    5817. 

  5817. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    5818. 

  5818. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    5819. 

  5819. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    5820. 

  5820. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    5821. 

  5821. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    5822. 

  5822. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    5823. 

  5823. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    5824. 

  5824. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    5825. 

  5825. 	at java.base/java.lang.Thread.run(Thread.java:833)
    5826. 

  5826. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5827. 

  5827. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    5828. 

  5828. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    5829. 

  5829. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    5830. 

  5830. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    5831. 

  5831. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    5832. 

  5832. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    5833. 

  5833. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    5834. 

  5834. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    5835. 

  5835. 	... 37 common frames omitted
    5836. 

  5836. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)
    5837. 

  5837. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    5838. 

  5838. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    5839. 

  5839. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    5840. 

  5840. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    5841. 

  5841. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    5842. 

  5842. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    5843. 

  5843. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    5844. 

  5844. 	... 40 common frames omitted
    5845. 

  5845. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    5846. 

  5846. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    5847. 

  5847. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    5848. 

  5848. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    5849. 

  5849. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    5850. 

  5850. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    5851. 

  5851. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    5852. 

  5852. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    5853. 

  5853. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    5854. 

  5854. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    5855. 

  5855. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    5856. 

  5856. 	... 45 common frames omitted
    5857. 

  5857. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    5858. 

  5858. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    5859. 

  5859. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    5860. 

  5860. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5861. 

  5861. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5862. 

  5862. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5863. 

  5863. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5864. 

  5864. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5865. 

  5865. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5866. 

  5866. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    5867. 

  5867. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    5868. 

  5868. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    5869. 

  5869. 	... 48 common frames omitted
    5870. 

  5870. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    5871. 

  5871. 

  5872. The last packet successfully received from the server was 1,779,251 milliseconds ago. The last packet sent successfully to the server was 1,779,294 milliseconds ago.
    5873. 

  5873. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    5874. 

  5874. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    5875. 

  5875. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    5876. 

  5876. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    5877. 

  5877. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    5878. 

  5878. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    5879. 

  5879. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    5880. 

  5880. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    5881. 

  5881. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    5882. 

  5882. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    5883. 

  5883. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    5884. 

  5884. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    5885. 

  5885. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    5886. 

  5886. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    5887. 

  5887. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    5888. 

  5888. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    5889. 

  5889. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    5890. 

  5890. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    5891. 

  5891. 	... 46 common frames omitted
    5892. 

  5892. Caused by: java.net.SocketTimeoutException: Read timed out
    5893. 

  5893. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    5894. 

  5894. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    5895. 

  5895. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    5896. 

  5896. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    5897. 

  5897. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    5898. 

  5898. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    5899. 

  5899. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    5900. 

  5900. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    5901. 

  5901. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    5902. 

  5902. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    5903. 

  5903. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    5904. 

  5904. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    5905. 

  5905. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    5906. 

  5906. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    5907. 

  5907. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    5908. 

  5908. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    5909. 

  5909. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    5910. 

  5910. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    5911. 

  5911. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    5912. 

  5912. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    5913. 

  5913. 	... 54 common frames omitted
    5914. 

  5914. 07:39:40.469 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1567517e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5915. 

  5915. 07:39:50.473 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@49466d9 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5916. 

  5916. 07:40:00.477 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6cb5ae3a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    5917. 

  5917. 07:40:00.478 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    5918. 

  5918. 07:40:00.478 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)
    5919. 

  5919. 07:40:00.478 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    5920. 

  5920. 07:40:00.478 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    5921. 

  5921. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5922. 

  5922. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    5923. 

  5923. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    5924. 

  5924. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    5925. 

  5925. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    5926. 

  5926. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    5927. 

  5927. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    5928. 

  5928. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5929. 

  5929. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    5930. 

  5930. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5931. 

  5931. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    5932. 

  5932. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5933. 

  5933. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    5934. 

  5934. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    5935. 

  5935. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    5936. 

  5936. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    5937. 

  5937. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5938. 

  5938. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5939. 

  5939. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    5940. 

  5940. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    5941. 

  5941. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    5942. 

  5942. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    5943. 

  5943. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    5944. 

  5944. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    5945. 

  5945. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    5946. 

  5946. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    5947. 

  5947. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    5948. 

  5948. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    5949. 

  5949. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    5950. 

  5950. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    5951. 

  5951. 	at java.base/java.lang.Thread.run(Thread.java:833)
    5952. 

  5952. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    5953. 

  5953. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    5954. 

  5954. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    5955. 

  5955. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    5956. 

  5956. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    5957. 

  5957. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    5958. 

  5958. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    5959. 

  5959. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    5960. 

  5960. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    5961. 

  5961. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    5962. 

  5962. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    5963. 

  5963. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    5964. 

  5964. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    5965. 

  5965. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    5966. 

  5966. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    5967. 

  5967. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    5968. 

  5968. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    5969. 

  5969. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    5970. 

  5970. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    5971. 

  5971. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    5972. 

  5972. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    5973. 

  5973. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    5974. 

  5974. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    5975. 

  5975. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    5976. 

  5976. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    5977. 

  5977. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    5978. 

  5978. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    5979. 

  5979. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    5980. 

  5980. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    5981. 

  5981. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    5982. 

  5982. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    5983. 

  5983. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    5984. 

  5984. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    5985. 

  5985. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    5986. 

  5986. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    5987. 

  5987. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    5988. 

  5988. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    5989. 

  5989. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    5990. 

  5990. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    5991. 

  5991. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    5992. 

  5992. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    5993. 

  5993. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    5994. 

  5994. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    5995. 

  5995. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5996. 

  5996. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    5997. 

  5997. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    5998. 

  5998. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    5999. 

  5999. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    6000. 

  6000. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    6001. 

  6001. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6002. 

  6002. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    6003. 

  6003. 	... 24 common frames omitted
    6004. 

  6004. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30012ms (total=29, active=0, idle=29, waiting=0)
    6005. 

  6005. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    6006. 

  6006. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    6007. 

  6007. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    6008. 

  6008. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    6009. 

  6009. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    6010. 

  6010. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    6011. 

  6011. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    6012. 

  6012. 	... 69 common frames omitted
    6013. 

  6013. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    6014. 

  6014. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    6015. 

  6015. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    6016. 

  6016. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    6017. 

  6017. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    6018. 

  6018. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    6019. 

  6019. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    6020. 

  6020. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    6021. 

  6021. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    6022. 

  6022. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    6023. 

  6023. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    6024. 

  6024. 	... 74 common frames omitted
    6025. 

  6025. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    6026. 

  6026. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    6027. 

  6027. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    6028. 

  6028. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6029. 

  6029. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6030. 

  6030. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6031. 

  6031. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6032. 

  6032. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6033. 

  6033. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6034. 

  6034. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    6035. 

  6035. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    6036. 

  6036. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    6037. 

  6037. 	... 77 common frames omitted
    6038. 

  6038. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    6039. 

  6039. 

  6040. The last packet successfully received from the server was 1,775,261 milliseconds ago. The last packet sent successfully to the server was 1,775,313 milliseconds ago.
    6041. 

  6041. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    6042. 

  6042. 	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
    6043. 

  6043. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6044. 

  6044. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6045. 

  6045. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6046. 

  6046. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6047. 

  6047. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6048. 

  6048. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6049. 

  6049. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    6050. 

  6050. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    6051. 

  6051. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    6052. 

  6052. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    6053. 

  6053. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    6054. 

  6054. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    6055. 

  6055. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    6056. 

  6056. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    6057. 

  6057. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    6058. 

  6058. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    6059. 

  6059. 	... 75 common frames omitted
    6060. 

  6060. Caused by: java.net.SocketTimeoutException: Read timed out
    6061. 

  6061. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    6062. 

  6062. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    6063. 

  6063. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    6064. 

  6064. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    6065. 

  6065. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    6066. 

  6066. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    6067. 

  6067. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    6068. 

  6068. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    6069. 

  6069. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    6070. 

  6070. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    6071. 

  6071. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    6072. 

  6072. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    6073. 

  6073. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    6074. 

  6074. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    6075. 

  6075. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    6076. 

  6076. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    6077. 

  6077. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    6078. 

  6078. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    6079. 

  6079. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    6080. 

  6080. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    6081. 

  6081. 	... 83 common frames omitted
    6082. 

  6082. 07:40:10.482 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@345d8b93 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6083. 

  6083. 07:40:20.484 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2c043586 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6084. 

  6084. 07:40:30.486 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@468e5606 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6085. 

  6085. 07:40:30.487 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6086. 

  6086. 07:40:30.487 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30007ms (total=27, active=0, idle=27, waiting=0)
    6087. 

  6087. 07:40:30.487 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6088. 

  6088. 07:40:40.885 [ForkJoinPool.commonPool-worker-34] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1228bd74 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6089. 

  6089. 07:40:52.698 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@30d3120f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6090. 

  6090. 07:41:02.701 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@57e68d00 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6091. 

  6091. 07:41:12.704 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1b52a510 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6092. 

  6092. 07:41:12.704 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6093. 

  6093. 07:41:12.704 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30006ms (total=28, active=0, idle=28, waiting=0)
    6094. 

  6094. 07:41:12.704 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6095. 

  6095. 07:41:12.704 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6096. 

  6096. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    6097. 

  6097. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    6098. 

  6098. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    6099. 

  6099. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    6100. 

  6100. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    6101. 

  6101. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    6102. 

  6102. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    6103. 

  6103. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6104. 

  6104. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    6105. 

  6105. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6106. 

  6106. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    6107. 

  6107. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6108. 

  6108. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    6109. 

  6109. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6110. 

  6110. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    6111. 

  6111. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    6112. 

  6112. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    6113. 

  6113. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6114. 

  6114. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6115. 

  6115. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    6116. 

  6116. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    6117. 

  6117. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    6118. 

  6118. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    6119. 

  6119. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    6120. 

  6120. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6121. 

  6121. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6122. 

  6122. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    6123. 

  6123. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    6124. 

  6124. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    6125. 

  6125. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    6126. 

  6126. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    6127. 

  6127. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    6128. 

  6128. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    6129. 

  6129. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    6130. 

  6130. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    6131. 

  6131. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    6132. 

  6132. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    6133. 

  6133. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    6134. 

  6134. 	at java.base/java.lang.Thread.run(Thread.java:833)
    6135. 

  6135. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30006ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    6136. 

  6136. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    6137. 

  6137. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    6138. 

  6138. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    6139. 

  6139. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    6140. 

  6140. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    6141. 

  6141. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    6142. 

  6142. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    6143. 

  6143. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    6144. 

  6144. 	... 37 common frames omitted
    6145. 

  6145. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30006ms (total=28, active=0, idle=28, waiting=0)
    6146. 

  6146. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    6147. 

  6147. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    6148. 

  6148. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    6149. 

  6149. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    6150. 

  6150. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    6151. 

  6151. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    6152. 

  6152. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    6153. 

  6153. 	... 40 common frames omitted
    6154. 

  6154. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    6155. 

  6155. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    6156. 

  6156. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    6157. 

  6157. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    6158. 

  6158. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    6159. 

  6159. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    6160. 

  6160. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    6161. 

  6161. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    6162. 

  6162. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    6163. 

  6163. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    6164. 

  6164. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    6165. 

  6165. 	... 45 common frames omitted
    6166. 

  6166. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    6167. 

  6167. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    6168. 

  6168. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6169. 

  6169. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6170. 

  6170. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6171. 

  6171. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6172. 

  6172. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6173. 

  6173. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6174. 

  6174. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    6175. 

  6175. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    6176. 

  6176. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    6177. 

  6177. 	... 48 common frames omitted
    6178. 

  6178. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    6179. 

  6179. 

  6180. The last packet successfully received from the server was 1,787,377 milliseconds ago. The last packet sent successfully to the server was 1,787,428 milliseconds ago.
    6181. 

  6181. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    6182. 

  6182. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6183. 

  6183. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6184. 

  6184. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6185. 

  6185. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6186. 

  6186. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6187. 

  6187. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6188. 

  6188. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    6189. 

  6189. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    6190. 

  6190. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    6191. 

  6191. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    6192. 

  6192. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    6193. 

  6193. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    6194. 

  6194. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    6195. 

  6195. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    6196. 

  6196. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    6197. 

  6197. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    6198. 

  6198. 	... 46 common frames omitted
    6199. 

  6199. Caused by: java.net.SocketTimeoutException: Read timed out
    6200. 

  6200. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    6201. 

  6201. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    6202. 

  6202. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    6203. 

  6203. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    6204. 

  6204. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    6205. 

  6205. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    6206. 

  6206. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    6207. 

  6207. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    6208. 

  6208. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    6209. 

  6209. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    6210. 

  6210. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    6211. 

  6211. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    6212. 

  6212. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    6213. 

  6213. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    6214. 

  6214. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    6215. 

  6215. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    6216. 

  6216. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    6217. 

  6217. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    6218. 

  6218. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    6219. 

  6219. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    6220. 

  6220. 	... 54 common frames omitted
    6221. 

  6221. 07:41:22.712 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4cdfe931 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6222. 

  6222. 07:41:32.714 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@71be6f06 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6223. 

  6223. 08:07:55.006 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4b2a96a0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6224. 

  6224. 08:08:05.008 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5ac98e2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6225. 

  6225. 08:08:15.010 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@533626ff (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6226. 

  6226. 08:08:15.011 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6227. 

  6227. 08:08:15.011 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    6228. 

  6228. 08:08:15.011 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6229. 

  6229. 08:08:25.906 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1b54eb0c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6230. 

  6230. 08:08:35.910 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@afb96c9 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6231. 

  6231. 08:08:45.913 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4a928803 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6232. 

  6232. 08:08:45.914 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6233. 

  6233. 08:08:45.914 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    6234. 

  6234. 08:08:45.914 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6235. 

  6235. 08:08:45.914 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6236. 

  6236. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    6237. 

  6237. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    6238. 

  6238. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    6239. 

  6239. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    6240. 

  6240. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    6241. 

  6241. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    6242. 

  6242. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    6243. 

  6243. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6244. 

  6244. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    6245. 

  6245. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6246. 

  6246. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    6247. 

  6247. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6248. 

  6248. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    6249. 

  6249. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6250. 

  6250. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    6251. 

  6251. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    6252. 

  6252. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    6253. 

  6253. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6254. 

  6254. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6255. 

  6255. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    6256. 

  6256. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    6257. 

  6257. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    6258. 

  6258. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    6259. 

  6259. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    6260. 

  6260. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6261. 

  6261. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6262. 

  6262. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    6263. 

  6263. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    6264. 

  6264. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    6265. 

  6265. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    6266. 

  6266. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    6267. 

  6267. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    6268. 

  6268. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    6269. 

  6269. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    6270. 

  6270. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    6271. 

  6271. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    6272. 

  6272. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    6273. 

  6273. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    6274. 

  6274. 	at java.base/java.lang.Thread.run(Thread.java:833)
    6275. 

  6275. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    6276. 

  6276. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    6277. 

  6277. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    6278. 

  6278. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    6279. 

  6279. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    6280. 

  6280. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    6281. 

  6281. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    6282. 

  6282. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    6283. 

  6283. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    6284. 

  6284. 	... 37 common frames omitted
    6285. 

  6285. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    6286. 

  6286. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    6287. 

  6287. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    6288. 

  6288. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    6289. 

  6289. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    6290. 

  6290. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    6291. 

  6291. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    6292. 

  6292. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    6293. 

  6293. 	... 40 common frames omitted
    6294. 

  6294. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    6295. 

  6295. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    6296. 

  6296. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    6297. 

  6297. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    6298. 

  6298. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    6299. 

  6299. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    6300. 

  6300. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    6301. 

  6301. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    6302. 

  6302. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    6303. 

  6303. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    6304. 

  6304. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    6305. 

  6305. 	... 45 common frames omitted
    6306. 

  6306. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    6307. 

  6307. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    6308. 

  6308. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6309. 

  6309. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6310. 

  6310. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6311. 

  6311. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6312. 

  6312. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6313. 

  6313. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6314. 

  6314. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    6315. 

  6315. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    6316. 

  6316. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    6317. 

  6317. 	... 48 common frames omitted
    6318. 

  6318. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    6319. 

  6319. 

  6320. The last packet successfully received from the server was 1,775,440 milliseconds ago. The last packet sent successfully to the server was 1,775,486 milliseconds ago.
    6321. 

  6321. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    6322. 

  6322. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6323. 

  6323. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6324. 

  6324. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6325. 

  6325. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6326. 

  6326. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6327. 

  6327. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6328. 

  6328. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    6329. 

  6329. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    6330. 

  6330. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    6331. 

  6331. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    6332. 

  6332. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    6333. 

  6333. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    6334. 

  6334. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    6335. 

  6335. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    6336. 

  6336. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    6337. 

  6337. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    6338. 

  6338. 	... 46 common frames omitted
    6339. 

  6339. Caused by: java.net.SocketTimeoutException: Read timed out
    6340. 

  6340. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    6341. 

  6341. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    6342. 

  6342. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    6343. 

  6343. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    6344. 

  6344. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    6345. 

  6345. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    6346. 

  6346. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    6347. 

  6347. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    6348. 

  6348. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    6349. 

  6349. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    6350. 

  6350. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    6351. 

  6351. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    6352. 

  6352. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    6353. 

  6353. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    6354. 

  6354. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    6355. 

  6355. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    6356. 

  6356. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    6357. 

  6357. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    6358. 

  6358. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    6359. 

  6359. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    6360. 

  6360. 	... 54 common frames omitted
    6361. 

  6361. 08:08:55.917 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1742b0dc (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6362. 

  6362. 08:09:05.920 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@36437e01 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6363. 

  6363. 08:09:15.921 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7fe9a4d5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6364. 

  6364. 08:09:15.922 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6365. 

  6365. 08:09:15.922 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)
    6366. 

  6366. 08:09:15.922 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6367. 

  6367. 08:09:15.922 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6368. 

  6368. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    6369. 

  6369. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    6370. 

  6370. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    6371. 

  6371. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    6372. 

  6372. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    6373. 

  6373. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    6374. 

  6374. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    6375. 

  6375. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6376. 

  6376. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    6377. 

  6377. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6378. 

  6378. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    6379. 

  6379. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6380. 

  6380. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    6381. 

  6381. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    6382. 

  6382. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    6383. 

  6383. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    6384. 

  6384. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6385. 

  6385. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6386. 

  6386. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    6387. 

  6387. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    6388. 

  6388. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    6389. 

  6389. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    6390. 

  6390. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    6391. 

  6391. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    6392. 

  6392. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    6393. 

  6393. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    6394. 

  6394. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    6395. 

  6395. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    6396. 

  6396. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    6397. 

  6397. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    6398. 

  6398. 	at java.base/java.lang.Thread.run(Thread.java:833)
    6399. 

  6399. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    6400. 

  6400. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    6401. 

  6401. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    6402. 

  6402. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    6403. 

  6403. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    6404. 

  6404. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    6405. 

  6405. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    6406. 

  6406. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    6407. 

  6407. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    6408. 

  6408. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    6409. 

  6409. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    6410. 

  6410. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    6411. 

  6411. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    6412. 

  6412. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    6413. 

  6413. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    6414. 

  6414. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    6415. 

  6415. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    6416. 

  6416. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    6417. 

  6417. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    6418. 

  6418. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    6419. 

  6419. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    6420. 

  6420. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    6421. 

  6421. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    6422. 

  6422. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    6423. 

  6423. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    6424. 

  6424. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    6425. 

  6425. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    6426. 

  6426. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    6427. 

  6427. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    6428. 

  6428. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    6429. 

  6429. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    6430. 

  6430. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6431. 

  6431. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6432. 

  6432. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    6433. 

  6433. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    6434. 

  6434. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    6435. 

  6435. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    6436. 

  6436. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    6437. 

  6437. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    6438. 

  6438. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    6439. 

  6439. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    6440. 

  6440. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    6441. 

  6441. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    6442. 

  6442. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6443. 

  6443. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    6444. 

  6444. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6445. 

  6445. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    6446. 

  6446. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    6447. 

  6447. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    6448. 

  6448. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6449. 

  6449. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    6450. 

  6450. 	... 24 common frames omitted
    6451. 

  6451. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)
    6452. 

  6452. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    6453. 

  6453. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    6454. 

  6454. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    6455. 

  6455. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    6456. 

  6456. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    6457. 

  6457. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    6458. 

  6458. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    6459. 

  6459. 	... 69 common frames omitted
    6460. 

  6460. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    6461. 

  6461. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    6462. 

  6462. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    6463. 

  6463. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    6464. 

  6464. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    6465. 

  6465. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    6466. 

  6466. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    6467. 

  6467. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    6468. 

  6468. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    6469. 

  6469. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    6470. 

  6470. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    6471. 

  6471. 	... 74 common frames omitted
    6472. 

  6472. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    6473. 

  6473. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    6474. 

  6474. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6475. 

  6475. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6476. 

  6476. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6477. 

  6477. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6478. 

  6478. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6479. 

  6479. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6480. 

  6480. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    6481. 

  6481. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    6482. 

  6482. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    6483. 

  6483. 	... 77 common frames omitted
    6484. 

  6484. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    6485. 

  6485. 

  6486. The last packet successfully received from the server was 1,774,911 milliseconds ago. The last packet sent successfully to the server was 1,774,964 milliseconds ago.
    6487. 

  6487. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    6488. 

  6488. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6489. 

  6489. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6490. 

  6490. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6491. 

  6491. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6492. 

  6492. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6493. 

  6493. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6494. 

  6494. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    6495. 

  6495. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    6496. 

  6496. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    6497. 

  6497. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    6498. 

  6498. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    6499. 

  6499. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    6500. 

  6500. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    6501. 

  6501. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    6502. 

  6502. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    6503. 

  6503. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    6504. 

  6504. 	... 75 common frames omitted
    6505. 

  6505. Caused by: java.net.SocketTimeoutException: Read timed out
    6506. 

  6506. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    6507. 

  6507. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    6508. 

  6508. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    6509. 

  6509. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    6510. 

  6510. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    6511. 

  6511. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    6512. 

  6512. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    6513. 

  6513. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    6514. 

  6514. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    6515. 

  6515. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    6516. 

  6516. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    6517. 

  6517. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    6518. 

  6518. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    6519. 

  6519. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    6520. 

  6520. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    6521. 

  6521. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    6522. 

  6522. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    6523. 

  6523. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    6524. 

  6524. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    6525. 

  6525. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    6526. 

  6526. 	... 83 common frames omitted
    6527. 

  6527. 08:09:26.097 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6dbebd0d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6528. 

  6528. 08:09:36.102 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@513fa5fc (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6529. 

  6529. 08:09:46.105 [ForkJoinPool.commonPool-worker-13] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1a665ff8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6530. 

  6530. 08:09:46.106 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6531. 

  6531. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30010ms (total=9, active=0, idle=9, waiting=0)
    6532. 

  6532. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    6533. 

  6533. 	at java.base/java.util.Optional.map(Optional.java:260)
    6534. 

  6534. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    6535. 

  6535. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    6536. 

  6536. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    6537. 

  6537. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    6538. 

  6538. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    6539. 

  6539. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    6540. 

  6540. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    6541. 

  6541. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    6542. 

  6542. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    6543. 

  6543. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    6544. 

  6544. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    6545. 

  6545. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    6546. 

  6546. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    6547. 

  6547. 	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)
    6548. 

  6548. 	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)
    6549. 

  6549. 	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)
    6550. 

  6550. 	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)
    6551. 

  6551. 08:09:56.108 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@ee534f0 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6552. 

  6552. 08:10:06.111 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@395bfe2b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6553. 

  6553. 08:10:16.113 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@5cdb20aa (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6554. 

  6554. 08:10:16.115 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6555. 

  6555. 08:10:16.115 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30008ms (total=29, active=0, idle=29, waiting=0)
    6556. 

  6556. 08:10:16.115 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6557. 

  6557. 08:10:26.119 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@72299a15 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6558. 

  6558. 08:10:36.121 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@77722a8a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6559. 

  6559. 08:10:46.125 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@47e37130 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6560. 

  6560. 08:10:46.125 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6561. 

  6561. 08:10:46.125 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)
    6562. 

  6562. 08:10:46.126 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6563. 

  6563. 08:10:46.126 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6564. 

  6564. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    6565. 

  6565. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    6566. 

  6566. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    6567. 

  6567. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    6568. 

  6568. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    6569. 

  6569. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    6570. 

  6570. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    6571. 

  6571. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6572. 

  6572. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    6573. 

  6573. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6574. 

  6574. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    6575. 

  6575. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6576. 

  6576. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    6577. 

  6577. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6578. 

  6578. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    6579. 

  6579. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    6580. 

  6580. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    6581. 

  6581. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6582. 

  6582. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6583. 

  6583. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    6584. 

  6584. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    6585. 

  6585. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    6586. 

  6586. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    6587. 

  6587. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    6588. 

  6588. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6589. 

  6589. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6590. 

  6590. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    6591. 

  6591. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    6592. 

  6592. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    6593. 

  6593. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    6594. 

  6594. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    6595. 

  6595. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    6596. 

  6596. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    6597. 

  6597. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    6598. 

  6598. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    6599. 

  6599. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    6600. 

  6600. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    6601. 

  6601. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    6602. 

  6602. 	at java.base/java.lang.Thread.run(Thread.java:833)
    6603. 

  6603. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)] [n/a]
    6604. 

  6604. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    6605. 

  6605. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    6606. 

  6606. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    6607. 

  6607. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    6608. 

  6608. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    6609. 

  6609. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    6610. 

  6610. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    6611. 

  6611. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    6612. 

  6612. 	... 37 common frames omitted
    6613. 

  6613. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30010ms (total=28, active=0, idle=28, waiting=0)
    6614. 

  6614. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    6615. 

  6615. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    6616. 

  6616. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    6617. 

  6617. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    6618. 

  6618. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    6619. 

  6619. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    6620. 

  6620. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    6621. 

  6621. 	... 40 common frames omitted
    6622. 

  6622. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    6623. 

  6623. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    6624. 

  6624. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    6625. 

  6625. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    6626. 

  6626. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    6627. 

  6627. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    6628. 

  6628. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    6629. 

  6629. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    6630. 

  6630. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    6631. 

  6631. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    6632. 

  6632. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    6633. 

  6633. 	... 45 common frames omitted
    6634. 

  6634. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    6635. 

  6635. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    6636. 

  6636. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6637. 

  6637. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6638. 

  6638. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6639. 

  6639. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6640. 

  6640. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6641. 

  6641. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6642. 

  6642. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    6643. 

  6643. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    6644. 

  6644. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    6645. 

  6645. 	... 48 common frames omitted
    6646. 

  6646. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    6647. 

  6647. 

  6648. The last packet successfully received from the server was 1,786,445 milliseconds ago. The last packet sent successfully to the server was 1,786,508 milliseconds ago.
    6649. 

  6649. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    6650. 

  6650. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6651. 

  6651. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6652. 

  6652. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6653. 

  6653. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6654. 

  6654. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6655. 

  6655. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6656. 

  6656. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    6657. 

  6657. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    6658. 

  6658. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    6659. 

  6659. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    6660. 

  6660. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    6661. 

  6661. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    6662. 

  6662. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    6663. 

  6663. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    6664. 

  6664. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    6665. 

  6665. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    6666. 

  6666. 	... 46 common frames omitted
    6667. 

  6667. Caused by: java.net.SocketTimeoutException: Read timed out
    6668. 

  6668. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    6669. 

  6669. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    6670. 

  6670. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    6671. 

  6671. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    6672. 

  6672. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    6673. 

  6673. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    6674. 

  6674. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    6675. 

  6675. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    6676. 

  6676. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    6677. 

  6677. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    6678. 

  6678. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    6679. 

  6679. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    6680. 

  6680. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    6681. 

  6681. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    6682. 

  6682. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    6683. 

  6683. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    6684. 

  6684. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    6685. 

  6685. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    6686. 

  6686. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    6687. 

  6687. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    6688. 

  6688. 	... 54 common frames omitted
    6689. 

  6689. 08:10:56.429 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@29742b3d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6690. 

  6690. 08:11:07.071 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@446dfac4 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6691. 

  6691. 08:11:17.073 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@cea793f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6692. 

  6692. 08:11:27.078 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@69133f13 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6693. 

  6693. 08:11:27.078 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6694. 

  6694. 08:11:27.078 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    6695. 

  6695. 08:11:27.078 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6696. 

  6696. 08:11:27.079 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6697. 

  6697. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    6698. 

  6698. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    6699. 

  6699. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    6700. 

  6700. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    6701. 

  6701. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    6702. 

  6702. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    6703. 

  6703. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    6704. 

  6704. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6705. 

  6705. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    6706. 

  6706. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6707. 

  6707. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    6708. 

  6708. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6709. 

  6709. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    6710. 

  6710. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    6711. 

  6711. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    6712. 

  6712. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    6713. 

  6713. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6714. 

  6714. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6715. 

  6715. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    6716. 

  6716. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    6717. 

  6717. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    6718. 

  6718. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    6719. 

  6719. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    6720. 

  6720. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    6721. 

  6721. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    6722. 

  6722. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    6723. 

  6723. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    6724. 

  6724. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    6725. 

  6725. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    6726. 

  6726. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    6727. 

  6727. 	at java.base/java.lang.Thread.run(Thread.java:833)
    6728. 

  6728. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    6729. 

  6729. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    6730. 

  6730. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    6731. 

  6731. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    6732. 

  6732. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    6733. 

  6733. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    6734. 

  6734. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    6735. 

  6735. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    6736. 

  6736. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    6737. 

  6737. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    6738. 

  6738. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    6739. 

  6739. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    6740. 

  6740. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    6741. 

  6741. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    6742. 

  6742. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    6743. 

  6743. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    6744. 

  6744. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    6745. 

  6745. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    6746. 

  6746. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    6747. 

  6747. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    6748. 

  6748. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    6749. 

  6749. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    6750. 

  6750. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    6751. 

  6751. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    6752. 

  6752. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    6753. 

  6753. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    6754. 

  6754. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    6755. 

  6755. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    6756. 

  6756. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    6757. 

  6757. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    6758. 

  6758. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    6759. 

  6759. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6760. 

  6760. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6761. 

  6761. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    6762. 

  6762. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    6763. 

  6763. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    6764. 

  6764. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    6765. 

  6765. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    6766. 

  6766. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    6767. 

  6767. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    6768. 

  6768. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    6769. 

  6769. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    6770. 

  6770. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    6771. 

  6771. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6772. 

  6772. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    6773. 

  6773. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6774. 

  6774. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    6775. 

  6775. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    6776. 

  6776. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    6777. 

  6777. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6778. 

  6778. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    6779. 

  6779. 	... 24 common frames omitted
    6780. 

  6780. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30009ms (total=29, active=0, idle=29, waiting=0)
    6781. 

  6781. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    6782. 

  6782. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    6783. 

  6783. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    6784. 

  6784. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    6785. 

  6785. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    6786. 

  6786. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    6787. 

  6787. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    6788. 

  6788. 	... 69 common frames omitted
    6789. 

  6789. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    6790. 

  6790. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    6791. 

  6791. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    6792. 

  6792. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    6793. 

  6793. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    6794. 

  6794. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    6795. 

  6795. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    6796. 

  6796. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    6797. 

  6797. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    6798. 

  6798. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    6799. 

  6799. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    6800. 

  6800. 	... 74 common frames omitted
    6801. 

  6801. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    6802. 

  6802. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    6803. 

  6803. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6804. 

  6804. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6805. 

  6805. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6806. 

  6806. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6807. 

  6807. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6808. 

  6808. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6809. 

  6809. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    6810. 

  6810. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    6811. 

  6811. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    6812. 

  6812. 	... 77 common frames omitted
    6813. 

  6813. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    6814. 

  6814. 

  6815. The last packet successfully received from the server was 1,796,738 milliseconds ago. The last packet sent successfully to the server was 1,796,787 milliseconds ago.
    6816. 

  6816. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    6817. 

  6817. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6818. 

  6818. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6819. 

  6819. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6820. 

  6820. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6821. 

  6821. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6822. 

  6822. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6823. 

  6823. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    6824. 

  6824. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    6825. 

  6825. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    6826. 

  6826. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    6827. 

  6827. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    6828. 

  6828. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    6829. 

  6829. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    6830. 

  6830. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    6831. 

  6831. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    6832. 

  6832. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    6833. 

  6833. 	... 75 common frames omitted
    6834. 

  6834. Caused by: java.net.SocketTimeoutException: Read timed out
    6835. 

  6835. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    6836. 

  6836. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    6837. 

  6837. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    6838. 

  6838. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    6839. 

  6839. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    6840. 

  6840. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    6841. 

  6841. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    6842. 

  6842. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    6843. 

  6843. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    6844. 

  6844. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    6845. 

  6845. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    6846. 

  6846. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    6847. 

  6847. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    6848. 

  6848. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    6849. 

  6849. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    6850. 

  6850. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    6851. 

  6851. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    6852. 

  6852. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    6853. 

  6853. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    6854. 

  6854. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    6855. 

  6855. 	... 83 common frames omitted
    6856. 

  6856. 08:11:37.082 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3bbdc60a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6857. 

  6857. 08:11:47.085 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@497ff94f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6858. 

  6858. 08:18:11.346 [ForkJoinPool.commonPool-worker-34] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@49b7c76e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6859. 

  6859. 08:38:10.102 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7d5e2e13 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6860. 

  6860. 08:38:20.104 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2ec55ed (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6861. 

  6861. 08:38:30.106 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1e443daf (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6862. 

  6862. 08:38:30.107 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6863. 

  6863. 08:38:30.107 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)
    6864. 

  6864. 08:38:30.107 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6865. 

  6865. 08:38:30.107 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6866. 

  6866. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    6867. 

  6867. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    6868. 

  6868. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    6869. 

  6869. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    6870. 

  6870. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    6871. 

  6871. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    6872. 

  6872. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    6873. 

  6873. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6874. 

  6874. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    6875. 

  6875. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6876. 

  6876. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    6877. 

  6877. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6878. 

  6878. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    6879. 

  6879. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    6880. 

  6880. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    6881. 

  6881. 	at jdk.proxy3/jdk.proxy3.$Proxy156.save(Unknown Source)
    6882. 

  6882. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:556)
    6883. 

  6883. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    6884. 

  6884. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    6885. 

  6885. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    6886. 

  6886. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    6887. 

  6887. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    6888. 

  6888. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    6889. 

  6889. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    6890. 

  6890. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    6891. 

  6891. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    6892. 

  6892. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    6893. 

  6893. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    6894. 

  6894. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    6895. 

  6895. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    6896. 

  6896. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    6897. 

  6897. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    6898. 

  6898. 	at java.base/java.lang.Thread.run(Thread.java:833)
    6899. 

  6899. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    6900. 

  6900. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    6901. 

  6901. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    6902. 

  6902. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    6903. 

  6903. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    6904. 

  6904. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    6905. 

  6905. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    6906. 

  6906. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:273)
    6907. 

  6907. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:281)
    6908. 

  6908. 	at org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:232)
    6909. 

  6909. 	at org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:83)
    6910. 

  6910. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:176)
    6911. 

  6911. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    6912. 

  6912. 	... 31 common frames omitted
    6913. 

  6913. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)
    6914. 

  6914. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    6915. 

  6915. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    6916. 

  6916. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    6917. 

  6917. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    6918. 

  6918. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    6919. 

  6919. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    6920. 

  6920. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    6921. 

  6921. 	... 38 common frames omitted
    6922. 

  6922. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    6923. 

  6923. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    6924. 

  6924. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    6925. 

  6925. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    6926. 

  6926. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    6927. 

  6927. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    6928. 

  6928. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    6929. 

  6929. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    6930. 

  6930. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    6931. 

  6931. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    6932. 

  6932. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    6933. 

  6933. 	... 43 common frames omitted
    6934. 

  6934. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    6935. 

  6935. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    6936. 

  6936. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6937. 

  6937. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6938. 

  6938. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6939. 

  6939. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6940. 

  6940. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6941. 

  6941. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6942. 

  6942. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    6943. 

  6943. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    6944. 

  6944. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    6945. 

  6945. 	... 46 common frames omitted
    6946. 

  6946. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    6947. 

  6947. 

  6948. The last packet successfully received from the server was 1,763,745 milliseconds ago. The last packet sent successfully to the server was 1,763,799 milliseconds ago.
    6949. 

  6949. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    6950. 

  6950. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    6951. 

  6951. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    6952. 

  6952. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    6953. 

  6953. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    6954. 

  6954. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    6955. 

  6955. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    6956. 

  6956. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    6957. 

  6957. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    6958. 

  6958. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    6959. 

  6959. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    6960. 

  6960. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    6961. 

  6961. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    6962. 

  6962. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    6963. 

  6963. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    6964. 

  6964. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    6965. 

  6965. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    6966. 

  6966. 	... 44 common frames omitted
    6967. 

  6967. Caused by: java.net.SocketTimeoutException: Read timed out
    6968. 

  6968. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    6969. 

  6969. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    6970. 

  6970. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    6971. 

  6971. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    6972. 

  6972. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    6973. 

  6973. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    6974. 

  6974. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    6975. 

  6975. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    6976. 

  6976. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    6977. 

  6977. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    6978. 

  6978. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    6979. 

  6979. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    6980. 

  6980. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    6981. 

  6981. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    6982. 

  6982. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    6983. 

  6983. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    6984. 

  6984. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    6985. 

  6985. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    6986. 

  6986. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    6987. 

  6987. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    6988. 

  6988. 	... 52 common frames omitted
    6989. 

  6989. 08:38:40.110 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4dd0f784 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6990. 

  6990. 08:38:50.111 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@515f0701 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6991. 

  6991. 08:39:00.115 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@65b47a1 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    6992. 

  6992. 08:39:00.115 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    6993. 

  6993. 08:39:00.115 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)
    6994. 

  6994. 08:39:00.115 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    6995. 

  6995. 08:39:00.116 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    6996. 

  6996. org.springframework.transaction.CannotCreateTransactionException: Could not open JPA EntityManager for transaction
    6997. 

  6997. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:466)
    6998. 

  6998. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532)
    6999. 

  6999. 	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405)
    7000. 

  7000. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:617)
    7001. 

  7001. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:386)
    7002. 

  7002. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    7003. 

  7003. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7004. 

  7004. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    7005. 

  7005. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7006. 

  7006. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:165)
    7007. 

  7007. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7008. 

  7008. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    7009. 

  7009. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7010. 

  7010. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    7011. 

  7011. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    7012. 

  7012. 	at jdk.internal.reflect.GeneratedMethodAccessor83.invoke(Unknown Source)
    7013. 

  7013. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    7014. 

  7014. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    7015. 

  7015. 	at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:354)
    7016. 

  7016. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:216)
    7017. 

  7017. 	at jdk.proxy3/jdk.proxy3.$Proxy169.findAll(Unknown Source)
    7018. 

  7018. 	at com.scbfkj.uni.system.SystemInit.createQualityControlTask(SystemInit.java:567)
    7019. 

  7019. 	at jdk.internal.reflect.GeneratedMethodAccessor82.invoke(Unknown Source)
    7020. 

  7020. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    7021. 

  7021. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    7022. 

  7022. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    7023. 

  7023. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    7024. 

  7024. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    7025. 

  7025. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    7026. 

  7026. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    7027. 

  7027. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    7028. 

  7028. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    7029. 

  7029. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    7030. 

  7030. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    7031. 

  7031. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    7032. 

  7032. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    7033. 

  7033. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    7034. 

  7034. 	at java.base/java.lang.Thread.run(Thread.java:833)
    7035. 

  7035. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    7036. 

  7036. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    7037. 

  7037. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    7038. 

  7038. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    7039. 

  7039. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    7040. 

  7040. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    7041. 

  7041. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    7042. 

  7042. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.beginTransaction(HibernateJpaDialect.java:164)
    7043. 

  7043. 	at org.springframework.orm.jpa.JpaTransactionManager.doBegin(JpaTransactionManager.java:420)
    7044. 

  7044. 	... 37 common frames omitted
    7045. 

  7045. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30006ms (total=29, active=0, idle=29, waiting=0)
    7046. 

  7046. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    7047. 

  7047. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    7048. 

  7048. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    7049. 

  7049. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    7050. 

  7050. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    7051. 

  7051. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    7052. 

  7052. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    7053. 

  7053. 	... 40 common frames omitted
    7054. 

  7054. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    7055. 

  7055. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    7056. 

  7056. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    7057. 

  7057. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    7058. 

  7058. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    7059. 

  7059. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    7060. 

  7060. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    7061. 

  7061. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    7062. 

  7062. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    7063. 

  7063. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    7064. 

  7064. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    7065. 

  7065. 	... 45 common frames omitted
    7066. 

  7066. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    7067. 

  7067. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    7068. 

  7068. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    7069. 

  7069. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    7070. 

  7070. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    7071. 

  7071. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    7072. 

  7072. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    7073. 

  7073. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    7074. 

  7074. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    7075. 

  7075. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    7076. 

  7076. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    7077. 

  7077. 	... 48 common frames omitted
    7078. 

  7078. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    7079. 

  7079. 

  7080. The last packet successfully received from the server was 1,736,803 milliseconds ago. The last packet sent successfully to the server was 1,736,867 milliseconds ago.
    7081. 

  7081. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    7082. 

  7082. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    7083. 

  7083. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    7084. 

  7084. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    7085. 

  7085. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    7086. 

  7086. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    7087. 

  7087. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    7088. 

  7088. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    7089. 

  7089. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    7090. 

  7090. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    7091. 

  7091. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    7092. 

  7092. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    7093. 

  7093. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    7094. 

  7094. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    7095. 

  7095. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    7096. 

  7096. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    7097. 

  7097. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    7098. 

  7098. 	... 46 common frames omitted
    7099. 

  7099. Caused by: java.net.SocketTimeoutException: Read timed out
    7100. 

  7100. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    7101. 

  7101. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    7102. 

  7102. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    7103. 

  7103. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    7104. 

  7104. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    7105. 

  7105. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    7106. 

  7106. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    7107. 

  7107. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    7108. 

  7108. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    7109. 

  7109. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    7110. 

  7110. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    7111. 

  7111. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    7112. 

  7112. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    7113. 

  7113. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    7114. 

  7114. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    7115. 

  7115. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    7116. 

  7116. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    7117. 

  7117. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    7118. 

  7118. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    7119. 

  7119. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    7120. 

  7120. 	... 54 common frames omitted
    7121. 

  7121. 08:39:10.119 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3d048284 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7122. 

  7122. 08:39:20.122 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@68d29d5a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7123. 

  7123. 08:39:30.126 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@608750ef (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7124. 

  7124. 08:39:30.127 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    7125. 

  7125. 08:39:30.127 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30010ms (total=29, active=0, idle=29, waiting=0)
    7126. 

  7126. 08:39:30.127 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    7127. 

  7127. 08:39:40.532 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@73a2105b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7128. 

  7128. 08:39:50.534 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@90b66d7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7129. 

  7129. 08:40:00.537 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7cce6fa2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7130. 

  7130. 08:40:00.538 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    7131. 

  7131. com.scbfkj.uni.exceptions.DBSelectorException: 数据库查询异常:HikariPool-54 - Connection is not available, request timed out after 30007ms (total=9, active=0, idle=9, waiting=0)
    7132. 

  7132. 	at com.scbfkj.uni.process.DbHelper.lambda$checkTableColumns$3(DbHelper.java:163)
    7133. 

  7133. 	at java.base/java.util.Optional.map(Optional.java:260)
    7134. 

  7134. 	at com.scbfkj.uni.process.DbHelper.checkTableColumns(DbHelper.java:137)
    7135. 

  7135. 	at com.scbfkj.uni.logs.Log.logDb(Log.java:563)
    7136. 

  7136. 	at com.scbfkj.uni.logs.Log.syncLog(Log.java:484)
    7137. 

  7137. 	at com.scbfkj.uni.logs.Log.lambda$send$2(Log.java:419)
    7138. 

  7138. 	at java.base/java.util.Optional.ifPresent(Optional.java:178)
    7139. 

  7139. 	at com.scbfkj.uni.logs.Log.lambda$send$3(Log.java:412)
    7140. 

  7140. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    7141. 

  7141. 	at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625)
    7142. 

  7142. 	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
    7143. 

  7143. 	at java.base/java.util.stream.ForEachOps$ForEachTask.compute(ForEachOps.java:290)
    7144. 

  7144. 	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:754)
    7145. 

  7145. 	at java.base/java.util.concurrent.ForkJoinTask.doExec$$$capture(ForkJoinTask.java:373)
    7146. 

  7146. 	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java)
    7147. 

  7147. 	at java.base/java.util.concurrent.ForkJoinPool.helpComplete(ForkJoinPool.java:1950)
    7148. 

  7148. 	at java.base/java.util.concurrent.ForkJoinTask.awaitDone(ForkJoinTask.java:433)
    7149. 

  7149. 	at java.base/java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:687)
    7150. 

  7150. 	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateParallel(ForEachOps.java:159)
    7151. 

  7151. 	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateParallel(ForEachOps.java:173)
    7152. 

  7152. 	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
    7153. 

  7153. 	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
    7154. 

  7154. 	at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:765)
    7155. 

  7155. 	at com.scbfkj.uni.logs.Log.send(Log.java:407)
    7156. 

  7156. 	at jdk.internal.reflect.GeneratedMethodAccessor76.invoke(Unknown Source)
    7157. 

  7157. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    7158. 

  7158. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    7159. 

  7159. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    7160. 

  7160. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    7161. 

  7161. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    7162. 

  7162. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    7163. 

  7163. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    7164. 

  7164. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    7165. 

  7165. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    7166. 

  7166. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    7167. 

  7167. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    7168. 

  7168. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    7169. 

  7169. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    7170. 

  7170. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    7171. 

  7171. 	at java.base/java.lang.Thread.run(Thread.java:833)
    7172. 

  7172. 08:40:10.543 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@72ea266d (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7173. 

  7173. 08:40:20.546 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@29757525 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7174. 

  7174. 08:40:30.550 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@78933b33 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7175. 

  7175. 08:40:30.551 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    7176. 

  7176. 08:40:30.551 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    7177. 

  7177. 08:40:30.551 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    7178. 

  7178. 08:40:30.551 [scheduling-1] ERROR o.s.s.s.TaskUtils$LoggingErrorHandler - Unexpected error occurred in scheduled task
    7179. 

  7179. org.springframework.dao.DataAccessResourceFailureException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    7180. 

  7180. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:274)
    7181. 

  7181. 	at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:241)
    7182. 

  7182. 	at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:550)
    7183. 

  7183. 	at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:61)
    7184. 

  7184. 	at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:335)
    7185. 

  7185. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:152)
    7186. 

  7186. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7187. 

  7187. 	at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:136)
    7188. 

  7188. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7189. 

  7189. 	at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97)
    7190. 

  7190. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7191. 

  7191. 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
    7192. 

  7192. 	at jdk.proxy3/jdk.proxy3.$Proxy156.findByContainerCode(Unknown Source)
    7193. 

  7193. 	at com.scbfkj.uni.system.SystemInit.containerHeartbeat(SystemInit.java:548)
    7194. 

  7194. 	at jdk.internal.reflect.GeneratedMethodAccessor81.invoke(Unknown Source)
    7195. 

  7195. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    7196. 

  7196. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    7197. 

  7197. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.runInternal(ScheduledMethodRunnable.java:130)
    7198. 

  7198. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.lambda$run$2(ScheduledMethodRunnable.java:124)
    7199. 

  7199. 	at io.micrometer.observation.Observation.observe(Observation.java:499)
    7200. 

  7200. 	at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:124)
    7201. 

  7201. 	at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54)
    7202. 

  7202. 	at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:96)
    7203. 

  7203. 	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
    7204. 

  7204. 	at java.base/java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:264)
    7205. 

  7205. 	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java)
    7206. 

  7206. 	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
    7207. 

  7207. 	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
    7208. 

  7208. 	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
    7209. 

  7209. 	at java.base/java.lang.Thread.run(Thread.java:833)
    7210. 

  7210. Caused by: org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection [HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)] [n/a]
    7211. 

  7211. 	at org.hibernate.exception.internal.SQLExceptionTypeDelegate.convert(SQLExceptionTypeDelegate.java:51)
    7212. 

  7212. 	at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:58)
    7213. 

  7213. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:108)
    7214. 

  7214. 	at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:94)
    7215. 

  7215. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:116)
    7216. 

  7216. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:143)
    7217. 

  7217. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.connection(StatementPreparerImpl.java:54)
    7218. 

  7218. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:153)
    7219. 

  7219. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:183)
    7220. 

  7220. 	at org.hibernate.engine.jdbc.internal.StatementPreparerImpl.prepareQueryStatement(StatementPreparerImpl.java:155)
    7221. 

  7221. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.lambda$list$0(JdbcSelectExecutor.java:85)
    7222. 

  7222. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.executeQuery(DeferredResultSetAccess.java:231)
    7223. 

  7223. 	at org.hibernate.sql.results.jdbc.internal.DeferredResultSetAccess.getResultSet(DeferredResultSetAccess.java:167)
    7224. 

  7224. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.advanceNext(JdbcValuesResultSetImpl.java:265)
    7225. 

  7225. 	at org.hibernate.sql.results.jdbc.internal.JdbcValuesResultSetImpl.processNext(JdbcValuesResultSetImpl.java:145)
    7226. 

  7226. 	at org.hibernate.sql.results.jdbc.internal.AbstractJdbcValues.next(AbstractJdbcValues.java:19)
    7227. 

  7227. 	at org.hibernate.sql.results.internal.RowProcessingStateStandardImpl.next(RowProcessingStateStandardImpl.java:67)
    7228. 

  7228. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:204)
    7229. 

  7229. 	at org.hibernate.sql.results.spi.ListResultsConsumer.consume(ListResultsConsumer.java:33)
    7230. 

  7230. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.doExecuteQuery(JdbcSelectExecutorStandardImpl.java:211)
    7231. 

  7231. 	at org.hibernate.sql.exec.internal.JdbcSelectExecutorStandardImpl.executeQuery(JdbcSelectExecutorStandardImpl.java:83)
    7232. 

  7232. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:76)
    7233. 

  7233. 	at org.hibernate.sql.exec.spi.JdbcSelectExecutor.list(JdbcSelectExecutor.java:65)
    7234. 

  7234. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.lambda$new$2(ConcreteSqmSelectQueryPlan.java:139)
    7235. 

  7235. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.withCacheableSqmInterpretation(ConcreteSqmSelectQueryPlan.java:382)
    7236. 

  7236. 	at org.hibernate.query.sqm.internal.ConcreteSqmSelectQueryPlan.performList(ConcreteSqmSelectQueryPlan.java:302)
    7237. 

  7237. 	at org.hibernate.query.sqm.internal.QuerySqmImpl.doList(QuerySqmImpl.java:526)
    7238. 

  7238. 	at org.hibernate.query.spi.AbstractSelectionQuery.list(AbstractSelectionQuery.java:423)
    7239. 

  7239. 	at org.hibernate.query.spi.AbstractSelectionQuery.getSingleResult(AbstractSelectionQuery.java:555)
    7240. 

  7240. 	at jdk.internal.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)
    7241. 

  7241. 	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    7242. 

  7242. 	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
    7243. 

  7243. 	at org.springframework.orm.jpa.SharedEntityManagerCreator$DeferredQueryInvocationHandler.invoke(SharedEntityManagerCreator.java:418)
    7244. 

  7244. 	at jdk.proxy3/jdk.proxy3.$Proxy170.getSingleResult(Unknown Source)
    7245. 

  7245. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution$SingleEntityExecution.doExecute(JpaQueryExecution.java:223)
    7246. 

  7246. 	at org.springframework.data.jpa.repository.query.JpaQueryExecution.execute(JpaQueryExecution.java:92)
    7247. 

  7247. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.doExecute(AbstractJpaQuery.java:152)
    7248. 

  7248. 	at org.springframework.data.jpa.repository.query.AbstractJpaQuery.execute(AbstractJpaQuery.java:140)
    7249. 

  7249. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.doInvoke(RepositoryMethodInvoker.java:170)
    7250. 

  7250. 	at org.springframework.data.repository.core.support.RepositoryMethodInvoker.invoke(RepositoryMethodInvoker.java:158)
    7251. 

  7251. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.doInvoke(QueryExecutorMethodInterceptor.java:164)
    7252. 

  7252. 	at org.springframework.data.repository.core.support.QueryExecutorMethodInterceptor.invoke(QueryExecutorMethodInterceptor.java:143)
    7253. 

  7253. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7254. 

  7254. 	at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:70)
    7255. 

  7255. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7256. 

  7256. 	at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:123)
    7257. 

  7257. 	at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:392)
    7258. 

  7258. 	at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119)
    7259. 

  7259. 	at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:184)
    7260. 

  7260. 	at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137)
    7261. 

  7261. 	... 24 common frames omitted
    7262. 

  7262. Caused by: java.sql.SQLTransientConnectionException: HikariPool-1 - Connection is not available, request timed out after 30011ms (total=29, active=0, idle=29, waiting=0)
    7263. 

  7263. 	at com.zaxxer.hikari.pool.HikariPool.createTimeoutException(HikariPool.java:686)
    7264. 

  7264. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:179)
    7265. 

  7265. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:144)
    7266. 

  7266. 	at com.zaxxer.hikari.HikariDataSource.getConnection(HikariDataSource.java:127)
    7267. 

  7267. 	at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:122)
    7268. 

  7268. 	at org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:46)
    7269. 

  7269. 	at org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:113)
    7270. 

  7270. 	... 69 common frames omitted
    7271. 

  7271. Caused by: java.sql.SQLNonTransientConnectionException: No operations allowed after connection closed.
    7272. 

  7272. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111)
    7273. 

  7273. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98)
    7274. 

  7274. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90)
    7275. 

  7275. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64)
    7276. 

  7276. 	at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74)
    7277. 

  7277. 	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:73)
    7278. 

  7278. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2435)
    7279. 

  7279. 	at com.zaxxer.hikari.pool.PoolBase.setNetworkTimeout(PoolBase.java:562)
    7280. 

  7280. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:169)
    7281. 

  7281. 	at com.zaxxer.hikari.pool.HikariPool.getConnection(HikariPool.java:168)
    7282. 

  7282. 	... 74 common frames omitted
    7283. 

  7283. Caused by: com.mysql.cj.exceptions.ConnectionIsClosedException: No operations allowed after connection closed.
    7284. 

  7284. 	at jdk.internal.reflect.GeneratedConstructorAccessor106.newInstance(Unknown Source)
    7285. 

  7285. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    7286. 

  7286. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    7287. 

  7287. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    7288. 

  7288. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    7289. 

  7289. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    7290. 

  7290. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    7291. 

  7291. 	at com.mysql.cj.NativeSession.checkClosed(NativeSession.java:756)
    7292. 

  7292. 	at com.mysql.cj.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:556)
    7293. 

  7293. 	at com.mysql.cj.jdbc.ConnectionImpl.setNetworkTimeout(ConnectionImpl.java:2431)
    7294. 

  7294. 	... 77 common frames omitted
    7295. 

  7295. Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
    7296. 

  7296. 

  7297. The last packet successfully received from the server was 1,779,591 milliseconds ago. The last packet sent successfully to the server was 1,779,644 milliseconds ago.
    7298. 

  7298. 	at jdk.internal.reflect.GeneratedConstructorAccessor105.newInstance(Unknown Source)
    7299. 

  7299. 	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    7300. 

  7300. 	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
    7301. 

  7301. 	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
    7302. 

  7302. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    7303. 

  7303. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104)
    7304. 

  7304. 	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149)
    7305. 

  7305. 	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165)
    7306. 

  7306. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
    7307. 

  7307. 	at com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:762)
    7308. 

  7308. 	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:701)
    7309. 

  7309. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1050)
    7310. 

  7310. 	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:997)
    7311. 

  7311. 	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:658)
    7312. 

  7312. 	at com.mysql.cj.jdbc.StatementImpl.executeInternal(StatementImpl.java:730)
    7313. 

  7313. 	at com.mysql.cj.jdbc.StatementImpl.execute(StatementImpl.java:653)
    7314. 

  7314. 	at com.zaxxer.hikari.pool.PoolBase.isConnectionDead(PoolBase.java:165)
    7315. 

  7315. 	... 75 common frames omitted
    7316. 

  7316. Caused by: java.net.SocketTimeoutException: Read timed out
    7317. 

  7317. 	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
    7318. 

  7318. 	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
    7319. 

  7319. 	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
    7320. 

  7320. 	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
    7321. 

  7321. 	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:985)
    7322. 

  7322. 	at java.base/sun.security.ssl.SSLSocketInputRecord.read(SSLSocketInputRecord.java:484)
    7323. 

  7323. 	at java.base/sun.security.ssl.SSLSocketInputRecord.readHeader(SSLSocketInputRecord.java:478)
    7324. 

  7324. 	at java.base/sun.security.ssl.SSLSocketInputRecord.bytesInCompletePacket(SSLSocketInputRecord.java:70)
    7325. 

  7325. 	at java.base/sun.security.ssl.SSLSocketImpl.readApplicationRecord(SSLSocketImpl.java:1465)
    7326. 

  7326. 	at java.base/sun.security.ssl.SSLSocketImpl$AppInputStream.read(SSLSocketImpl.java:1069)
    7327. 

  7327. 	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
    7328. 

  7328. 	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
    7329. 

  7329. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
    7330. 

  7330. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    7331. 

  7331. 	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    7332. 

  7332. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    7333. 

  7333. 	at com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    7334. 

  7334. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    7335. 

  7335. 	at com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    7336. 

  7336. 	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
    7337. 

  7337. 	... 83 common frames omitted
    7338. 

  7338. 08:40:40.712 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@79ec350 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7339. 

  7339. 08:40:50.716 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@17890dea (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7340. 

  7340. 08:41:00.718 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3979a07e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7341. 

  7341. 08:41:00.719 [scheduling-1] WARN  o.h.e.jdbc.spi.SqlExceptionHelper - SQL Error: 0, SQLState: 08003
    7342. 

  7342. 08:41:00.719 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - HikariPool-1 - Connection is not available, request timed out after 30009ms (total=28, active=0, idle=28, waiting=0)
    7343. 

  7343. 08:41:00.719 [scheduling-1] ERROR o.h.e.jdbc.spi.SqlExceptionHelper - No operations allowed after connection closed.
    7344. 

  7344. 08:41:10.724 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6d743e3f (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7345. 

  7345. 08:41:20.726 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@32cd9826 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7346. 

  7346. 08:41:31.104 [ForkJoinPool.commonPool-worker-17] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@11319adc (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7347. 

  7347. 10:00:41.173 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6b7f8d5e (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7348. 

  7348. 10:00:41.175 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@76bfbf08 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7349. 

  7349. 10:00:41.178 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@f1565e6 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7350. 

  7350. 10:00:41.181 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@18971c27 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7351. 

  7351. 10:00:41.184 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@216d4089 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7352. 

  7352. 10:00:41.186 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2a21fc53 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7353. 

  7353. 10:00:41.189 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@e3f96a4 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7354. 

  7354. 10:00:41.192 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@2ee9c560 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7355. 

  7355. 10:00:41.194 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@65cbb13c (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7356. 

  7356. 10:00:41.196 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@402d0ab2 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7357. 

  7357. 10:00:41.199 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@32552ea5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7358. 

  7358. 10:00:41.202 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@52772f4a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7359. 

  7359. 10:00:41.204 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6a8d2669 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7360. 

  7360. 10:00:41.207 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@425dc910 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7361. 

  7361. 10:00:41.210 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@59e6f7f8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7362. 

  7362. 10:00:41.212 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@32808ef1 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7363. 

  7363. 10:00:41.215 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@313d58a6 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7364. 

  7364. 10:00:41.216 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1d0402d8 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7365. 

  7365. 10:00:41.219 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@73336fb7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7366. 

  7366. 10:00:41.221 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@45f29026 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7367. 

  7367. 10:00:41.224 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1ed10856 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7368. 

  7368. 10:00:41.227 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@23fecb96 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7369. 

  7369. 10:00:41.229 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4b584689 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7370. 

  7370. 10:00:41.247 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1afa9c64 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7371. 

  7371. 10:00:41.251 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@c7fa4d5 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7372. 

  7372. 10:00:41.255 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@59886cb7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7373. 

  7373. 10:00:41.263 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@506d1501 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7374. 

  7374. 10:00:41.267 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1e3abad4 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7375. 

  7375. 10:00:41.274 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@6f12ecca (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7376. 

  7376. 10:00:41.277 [scheduling-1] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-1 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@7565d84b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7377. 

  7377. 10:00:42.637 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@1f08cb1a (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7378. 

  7378. 10:00:42.639 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@154955aa (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7379. 

  7379. 10:00:42.640 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4c12de8b (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7380. 

  7380. 10:00:42.642 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@159b9c08 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7381. 

  7381. 10:00:42.643 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@c9edcfb (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7382. 

  7382. 10:00:42.644 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@53a53cc7 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7383. 

  7383. 10:00:42.645 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@99946be (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7384. 

  7384. 10:00:42.646 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@40abe059 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7385. 

  7385. 10:00:42.648 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@3a2895b3 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7386. 

  7386. 10:00:42.649 [ForkJoinPool.commonPool-worker-28] WARN  com.zaxxer.hikari.pool.PoolBase - HikariPool-54 - Failed to validate connection com.mysql.cj.jdbc.ConnectionImpl@4091c535 (No operations allowed after connection closed.). Possibly consider using a shorter maxLifetime value.
    7387. 

  7387. 10:00:46.067 [HikariPool-27 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-27 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s355ms710µs200ns).
    7388. 

  7388. 10:00:46.081 [HikariPool-1 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms536µs500ns).
    7389. 

  7389. 10:00:46.081 [HikariPool-40 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-40 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms513µs500ns).
    7390. 

  7390. 10:00:46.082 [HikariPool-12 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-12 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms519µs100ns).
    7391. 

  7391. 10:00:46.091 [HikariPool-51 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-51 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms430µs500ns).
    7392. 

  7392. 10:00:46.091 [HikariPool-21 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-21 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms432µs200ns).
    7393. 

  7393. 10:00:46.094 [HikariPool-49 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-49 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms423µs200ns).
    7394. 

  7394. 10:00:46.094 [HikariPool-30 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-30 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms427µs100ns).
    7395. 

  7395. 10:00:46.094 [HikariPool-25 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-25 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms455µs200ns).
    7396. 

  7396. 10:00:46.094 [HikariPool-22 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-22 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms485µs400ns).
    7397. 

  7397. 10:00:46.094 [HikariPool-9 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-9 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms460µs).
    7398. 

  7398. 10:00:46.097 [HikariPool-3 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-3 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms527µs500ns).
    7399. 

  7399. 10:00:46.097 [HikariPool-24 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-24 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms501µs).
    7400. 

  7400. 10:00:46.097 [HikariPool-50 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-50 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms573µs900ns).
    7401. 

  7401. 10:00:46.097 [HikariPool-46 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-46 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms476µs800ns).
    7402. 

  7402. 10:00:46.097 [HikariPool-28 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-28 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms578µs400ns).
    7403. 

  7403. 10:00:46.097 [HikariPool-15 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-15 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms539µs400ns).
    7404. 

  7404. 10:00:46.097 [HikariPool-18 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-18 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms528µs600ns).
    7405. 

  7405. 10:00:46.099 [HikariPool-35 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-35 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms553µs200ns).
    7406. 

  7406. 10:00:46.099 [HikariPool-48 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-48 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms547µs300ns).
    7407. 

  7407. 10:00:46.099 [HikariPool-37 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-37 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms516µs100ns).
    7408. 

  7408. 10:00:46.099 [HikariPool-26 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-26 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms649µs).
    7409. 

  7409. 10:00:46.099 [HikariPool-17 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-17 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms643µs600ns).
    7410. 

  7410. 10:00:46.100 [HikariPool-5 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-5 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms477µs900ns).
    7411. 

  7411. 10:00:46.100 [HikariPool-33 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-33 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms465µs700ns).
    7412. 

  7412. 10:00:46.100 [HikariPool-2 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-2 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms549µs700ns).
    7413. 

  7413. 10:00:46.100 [HikariPool-7 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-7 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms479µs700ns).
    7414. 

  7414. 10:00:46.100 [HikariPool-42 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-42 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms784µs100ns).
    7415. 

  7415. 10:00:46.103 [HikariPool-41 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-41 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms234µs100ns).
    7416. 

  7416. 10:00:46.103 [HikariPool-39 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-39 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms232µs).
    7417. 

  7417. 10:00:46.109 [HikariPool-19 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-19 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms199µs700ns).
    7418. 

  7418. 10:00:46.109 [HikariPool-4 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-4 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms217µs200ns).
    7419. 

  7419. 10:00:46.109 [HikariPool-29 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-29 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms197µs600ns).
    7420. 

  7420. 10:00:46.109 [HikariPool-20 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-20 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms198µs700ns).
    7421. 

  7421. 10:00:46.109 [HikariPool-47 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-47 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms292µs500ns).
    7422. 

  7422. 10:00:46.109 [HikariPool-44 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-44 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms281µs500ns).
    7423. 

  7423. 10:00:46.109 [HikariPool-52 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-52 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms318µs).
    7424. 

  7424. 10:00:46.109 [HikariPool-43 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-43 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms356µs200ns).
    7425. 

  7425. 10:00:46.109 [HikariPool-8 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-8 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms366µs700ns).
    7426. 

  7426. 10:00:46.109 [HikariPool-54 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-54 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms470µs900ns).
    7427. 

  7427. 10:00:46.111 [HikariPool-23 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-23 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms388µs100ns).
    7428. 

  7428. 10:00:46.111 [HikariPool-13 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-13 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms448µs800ns).
    7429. 

  7429. 10:00:46.112 [HikariPool-14 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-14 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms447µs900ns).
    7430. 

  7430. 10:00:46.112 [HikariPool-45 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-45 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms498µs500ns).
    7431. 

  7431. 10:00:46.116 [HikariPool-16 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-16 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms418µs600ns).
    7432. 

  7432. 10:00:46.119 [HikariPool-34 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-34 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms237µs200ns).
    7433. 

  7433. 10:00:46.119 [HikariPool-36 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-36 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms236µs800ns).
    7434. 

  7434. 10:00:46.119 [HikariPool-10 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-10 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms257µs).
    7435. 

  7435. 10:00:46.122 [HikariPool-38 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-38 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms235µs400ns).
    7436. 

  7436. 10:00:46.122 [HikariPool-31 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-31 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms195µs500ns).
    7437. 

  7437. 10:00:46.129 [HikariPool-11 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-11 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms165µs).
    7438. 

  7438. 10:00:46.132 [HikariPool-32 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-32 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms44µs400ns).
    7439. 

  7439. 10:00:46.132 [HikariPool-6 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-6 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms7µs200ns).
    7440. 

  7440. 10:00:46.132 [HikariPool-53 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-53 - Thread starvation or clock leap detected (housekeeper delta=1h8m13s356ms6µs900ns).
    7441. 

  7441. 10:23:11.145 [SpringApplicationShutdownHook] WARN  org.hibernate.orm.cache - HHH90001002: Attempt to restop an already stopped JCacheRegionFactory.
    7442. 

  7442. 10:23:47.391 [restartedMain] WARN  o.s.b.a.o.j.JpaBaseConfiguration$JpaWebConfiguration - spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
    7443. 

  7443. 10:53:05.035 [HikariPool-17 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-17 - Thread starvation or clock leap detected (housekeeper delta=29m8s873ms969µs600ns).
    7444. 

  7444. 10:53:05.035 [HikariPool-23 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-23 - Thread starvation or clock leap detected (housekeeper delta=29m8s867ms136µs900ns).
    7445. 

  7445. 10:53:05.035 [HikariPool-37 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-37 - Thread starvation or clock leap detected (housekeeper delta=29m8s852ms696µs200ns).
    7446. 

  7446. 10:53:05.035 [HikariPool-44 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-44 - Thread starvation or clock leap detected (housekeeper delta=29m8s843ms870µs).
    7447. 

  7447. 10:53:05.035 [HikariPool-48 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-48 - Thread starvation or clock leap detected (housekeeper delta=29m8s836ms857µs400ns).
    7448. 

  7448. 10:53:05.036 [HikariPool-2 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-2 - Thread starvation or clock leap detected (housekeeper delta=28m43s269ms120µs800ns).
    7449. 

  7449. 10:53:05.035 [HikariPool-41 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-41 - Thread starvation or clock leap detected (housekeeper delta=29m8s847ms641µs200ns).
    7450. 

  7450. 10:53:05.035 [HikariPool-11 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-11 - Thread starvation or clock leap detected (housekeeper delta=29m8s881ms686µs800ns).
    7451. 

  7451. 10:53:05.036 [HikariPool-8 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-8 - Thread starvation or clock leap detected (housekeeper delta=29m8s884ms990µs700ns).
    7452. 

  7452. 10:53:05.036 [HikariPool-15 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-15 - Thread starvation or clock leap detected (housekeeper delta=29m8s876ms236µs400ns).
    7453. 

  7453. 10:53:05.035 [HikariPool-31 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-31 - Thread starvation or clock leap detected (housekeeper delta=29m8s859ms489µs900ns).
    7454. 

  7454. 10:53:05.036 [HikariPool-26 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-26 - Thread starvation or clock leap detected (housekeeper delta=29m8s865ms582µs).
    7455. 

  7455. 10:53:05.035 [HikariPool-24 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-24 - Thread starvation or clock leap detected (housekeeper delta=29m8s867ms258µs400ns).
    7456. 

  7456. 10:53:05.035 [HikariPool-45 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-45 - Thread starvation or clock leap detected (housekeeper delta=29m8s842ms908µs300ns).
    7457. 

  7457. 10:53:05.035 [HikariPool-13 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-13 - Thread starvation or clock leap detected (housekeeper delta=29m8s879ms851µs400ns).
    7458. 

  7458. 10:53:05.035 [HikariPool-40 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-40 - Thread starvation or clock leap detected (housekeeper delta=29m8s847ms600µs400ns).
    7459. 

  7459. 10:53:05.035 [HikariPool-16 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-16 - Thread starvation or clock leap detected (housekeeper delta=29m8s875ms883µs400ns).
    7460. 

  7460. 10:53:05.036 [HikariPool-32 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-32 - Thread starvation or clock leap detected (housekeeper delta=29m8s858ms799µs200ns).
    7461. 

  7461. 10:53:05.035 [HikariPool-22 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-22 - Thread starvation or clock leap detected (housekeeper delta=29m8s869ms55µs900ns).
    7462. 

  7462. 10:53:05.035 [HikariPool-42 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-42 - Thread starvation or clock leap detected (housekeeper delta=29m8s846ms737µs500ns).
    7463. 

  7463. 10:53:05.035 [HikariPool-28 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-28 - Thread starvation or clock leap detected (housekeeper delta=29m8s862ms310µs100ns).
    7464. 

  7464. 10:53:05.035 [HikariPool-1 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Thread starvation or clock leap detected (housekeeper delta=29m10s879ms160µs).
    7465. 

  7465. 10:53:05.035 [HikariPool-19 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-19 - Thread starvation or clock leap detected (housekeeper delta=29m8s872ms122µs300ns).
    7466. 

  7466. 10:53:05.036 [HikariPool-33 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-33 - Thread starvation or clock leap detected (housekeeper delta=29m8s857ms873µs100ns).
    7467. 

  7467. 10:53:05.035 [HikariPool-36 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-36 - Thread starvation or clock leap detected (housekeeper delta=29m8s853ms639µs400ns).
    7468. 

  7468. 10:53:05.036 [HikariPool-38 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-38 - Thread starvation or clock leap detected (housekeeper delta=29m8s848ms33µs900ns).
    7469. 

  7469. 10:53:05.035 [HikariPool-12 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-12 - Thread starvation or clock leap detected (housekeeper delta=29m8s879ms814µs100ns).
    7470. 

  7470. 10:53:05.035 [HikariPool-51 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-51 - Thread starvation or clock leap detected (housekeeper delta=29m8s836ms866µs900ns).
    7471. 

  7471. 10:53:05.035 [HikariPool-53 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-53 - Thread starvation or clock leap detected (housekeeper delta=29m8s258ms754µs500ns).
    7472. 

  7472. 10:53:05.035 [HikariPool-47 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-47 - Thread starvation or clock leap detected (housekeeper delta=29m8s836ms769µs500ns).
    7473. 

  7473. 10:53:05.035 [HikariPool-49 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-49 - Thread starvation or clock leap detected (housekeeper delta=29m8s836ms855µs700ns).
    7474. 

  7474. 10:53:05.035 [HikariPool-52 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-52 - Thread starvation or clock leap detected (housekeeper delta=29m8s835ms312µs800ns).
    7475. 

  7475. 10:53:05.035 [HikariPool-7 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-7 - Thread starvation or clock leap detected (housekeeper delta=29m8s885ms697µs800ns).
    7476. 

  7476. 10:53:05.035 [HikariPool-6 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-6 - Thread starvation or clock leap detected (housekeeper delta=29m8s886ms643µs700ns).
    7477. 

  7477. 10:53:05.035 [HikariPool-50 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-50 - Thread starvation or clock leap detected (housekeeper delta=29m8s836ms896µs400ns).
    7478. 

  7478. 10:53:05.035 [HikariPool-29 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-29 - Thread starvation or clock leap detected (housekeeper delta=29m8s861ms340µs500ns).
    7479. 

  7479. 10:53:05.035 [HikariPool-35 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-35 - Thread starvation or clock leap detected (housekeeper delta=29m8s854ms536µs100ns).
    7480. 

  7480. 10:53:05.036 [HikariPool-3 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-3 - Thread starvation or clock leap detected (housekeeper delta=29m8s890ms808µs700ns).
    7481. 

  7481. 10:53:05.035 [HikariPool-5 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-5 - Thread starvation or clock leap detected (housekeeper delta=29m8s887ms571µs900ns).
    7482. 

  7482. 10:53:05.036 [HikariPool-9 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-9 - Thread starvation or clock leap detected (housekeeper delta=29m8s883ms992µs300ns).
    7483. 

  7483. 10:53:05.035 [HikariPool-34 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-34 - Thread starvation or clock leap detected (housekeeper delta=29m8s856ms445µs900ns).
    7484. 

  7484. 10:53:05.035 [HikariPool-18 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-18 - Thread starvation or clock leap detected (housekeeper delta=29m8s873ms51µs).
    7485. 

  7485. 10:53:05.036 [HikariPool-20 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-20 - Thread starvation or clock leap detected (housekeeper delta=29m8s871ms392µs200ns).
    7486. 

  7486. 10:53:05.036 [HikariPool-14 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-14 - Thread starvation or clock leap detected (housekeeper delta=29m8s878ms189µs500ns).
    7487. 

  7487. 10:53:05.036 [HikariPool-21 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-21 - Thread starvation or clock leap detected (housekeeper delta=29m8s870ms478µs).
    7488. 

  7488. 10:53:05.035 [HikariPool-46 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-46 - Thread starvation or clock leap detected (housekeeper delta=29m8s836ms718µs600ns).
    7489. 

  7489. 10:53:05.036 [HikariPool-27 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-27 - Thread starvation or clock leap detected (housekeeper delta=29m8s863ms667µs).
    7490. 

  7490. 10:53:05.035 [HikariPool-25 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-25 - Thread starvation or clock leap detected (housekeeper delta=29m8s865ms317µs300ns).
    7491. 

  7491. 10:53:05.035 [HikariPool-10 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-10 - Thread starvation or clock leap detected (housekeeper delta=29m8s881ms682µs500ns).
    7492. 

  7492. 10:53:05.035 [HikariPool-4 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-4 - Thread starvation or clock leap detected (housekeeper delta=29m8s889ms427µs).
    7493. 

  7493. 10:53:05.035 [HikariPool-30 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-30 - Thread starvation or clock leap detected (housekeeper delta=29m8s860ms457µs200ns).
    7494. 

  7494. 10:53:05.035 [HikariPool-43 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-43 - Thread starvation or clock leap detected (housekeeper delta=29m8s845ms29µs100ns).
    7495. 

  7495. 10:53:05.036 [HikariPool-39 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-39 - Thread starvation or clock leap detected (housekeeper delta=29m8s848ms83µs300ns).
    7496. 

  7496. 10:54:16.382 [SpringApplicationShutdownHook] WARN  org.hibernate.orm.cache - HHH90001002: Attempt to restop an already stopped JCacheRegionFactory.
    7497. 

  7497. 10:54:48.473 [restartedMain] WARN  o.s.b.a.o.j.JpaBaseConfiguration$JpaWebConfiguration - spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
    7498. 

  7498. 10:59:15.345 [SpringApplicationShutdownHook] WARN  org.hibernate.orm.cache - HHH90001002: Attempt to restop an already stopped JCacheRegionFactory.
    7499. 

  7499. 16:16:50.516 [restartedMain] WARN  o.s.b.a.o.j.JpaBaseConfiguration$JpaWebConfiguration - spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
    7500. 

  7500. 16:58:11.305 [SpringApplicationShutdownHook] WARN  org.hibernate.orm.cache - HHH90001002: Attempt to restop an already stopped JCacheRegionFactory.
    7501. 

  7501. 16:58:41.052 [restartedMain] WARN  o.s.b.a.o.j.JpaBaseConfiguration$JpaWebConfiguration - spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
    7502. 

  7502. 17:05:43.525 [SpringApplicationShutdownHook] WARN  org.hibernate.orm.cache - HHH90001002: Attempt to restop an already stopped JCacheRegionFactory.
    7503. 

  7503. 17:06:13.935 [restartedMain] WARN  o.s.b.a.o.j.JpaBaseConfiguration$JpaWebConfiguration - spring.jpa.open-in-view is enabled by default. Therefore, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning
    7504. 

  7504. 17:11:56.348 [HikariPool-45 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-45 - Thread starvation or clock leap detected (housekeeper delta=50s370ms539µs200ns).
    7505. 

  7505. 17:11:56.348 [HikariPool-51 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-51 - Thread starvation or clock leap detected (housekeeper delta=50s370ms301µs800ns).
    7506. 

  7506. 17:11:56.348 [HikariPool-40 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-40 - Thread starvation or clock leap detected (housekeeper delta=50s370ms729µs400ns).
    7507. 

  7507. 17:11:56.348 [HikariPool-39 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-39 - Thread starvation or clock leap detected (housekeeper delta=50s370ms899µs600ns).
    7508. 

  7508. 17:11:56.348 [HikariPool-33 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-33 - Thread starvation or clock leap detected (housekeeper delta=50s370ms916µs500ns).
    7509. 

  7509. 17:11:56.348 [HikariPool-28 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-28 - Thread starvation or clock leap detected (housekeeper delta=50s370ms970µs400ns).
    7510. 

  7510. 17:11:56.348 [HikariPool-48 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-48 - Thread starvation or clock leap detected (housekeeper delta=50s370ms946µs500ns).
    7511. 

  7511. 17:11:56.348 [HikariPool-22 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-22 - Thread starvation or clock leap detected (housekeeper delta=50s370ms995µs400ns).
    7512. 

  7512. 17:11:56.348 [HikariPool-21 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-21 - Thread starvation or clock leap detected (housekeeper delta=50s371ms20µs900ns).
    7513. 

  7513. 17:11:56.348 [HikariPool-50 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-50 - Thread starvation or clock leap detected (housekeeper delta=50s371ms111µs200ns).
    7514. 

  7514. 17:11:56.349 [HikariPool-16 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-16 - Thread starvation or clock leap detected (housekeeper delta=50s371ms55µs800ns).
    7515. 

  7515. 17:11:56.349 [HikariPool-49 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-49 - Thread starvation or clock leap detected (housekeeper delta=50s371ms201µs).
    7516. 

  7516. 17:11:56.349 [HikariPool-36 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-36 - Thread starvation or clock leap detected (housekeeper delta=50s371ms181µs400ns).
    7517. 

  7517. 17:11:56.349 [HikariPool-44 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-44 - Thread starvation or clock leap detected (housekeeper delta=50s371ms278µs200ns).
    7518. 

  7518. 17:11:56.349 [HikariPool-30 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-30 - Thread starvation or clock leap detected (housekeeper delta=50s371ms269µs100ns).
    7519. 

  7519. 17:11:56.349 [HikariPool-37 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-37 - Thread starvation or clock leap detected (housekeeper delta=50s371ms414µs600ns).
    7520. 

  7520. 17:11:56.349 [HikariPool-3 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-3 - Thread starvation or clock leap detected (housekeeper delta=50s371ms365µs400ns).
    7521. 

  7521. 17:11:56.349 [HikariPool-32 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-32 - Thread starvation or clock leap detected (housekeeper delta=50s371ms469µs500ns).
    7522. 

  7522. 17:11:56.349 [HikariPool-23 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-23 - Thread starvation or clock leap detected (housekeeper delta=50s371ms482µs).
    7523. 

  7523. 17:11:56.349 [HikariPool-31 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-31 - Thread starvation or clock leap detected (housekeeper delta=50s371ms533µs300ns).
    7524. 

  7524. 17:11:56.349 [HikariPool-18 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-18 - Thread starvation or clock leap detected (housekeeper delta=50s371ms496µs800ns).
    7525. 

  7525. 17:11:56.349 [HikariPool-14 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-14 - Thread starvation or clock leap detected (housekeeper delta=50s371ms694µs800ns).
    7526. 

  7526. 17:11:56.349 [HikariPool-1 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Thread starvation or clock leap detected (housekeeper delta=50s371ms454µs200ns).
    7527. 

  7527. 17:11:56.349 [HikariPool-8 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-8 - Thread starvation or clock leap detected (housekeeper delta=50s371ms736µs300ns).
    7528. 

  7528. 17:11:56.349 [HikariPool-7 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-7 - Thread starvation or clock leap detected (housekeeper delta=50s371ms727µs500ns).
    7529. 

  7529. 17:11:56.349 [HikariPool-11 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-11 - Thread starvation or clock leap detected (housekeeper delta=50s371ms759µs100ns).
    7530. 

  7530. 17:11:56.348 [HikariPool-46 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-46 - Thread starvation or clock leap detected (housekeeper delta=50s370ms555µs400ns).
    7531. 

  7531. 17:11:56.349 [HikariPool-2 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-2 - Thread starvation or clock leap detected (housekeeper delta=50s371ms767µs800ns).
    7532. 

  7532. 17:11:56.348 [HikariPool-53 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-53 - Thread starvation or clock leap detected (housekeeper delta=50s370ms301µs900ns).
    7533. 

  7533. 17:11:56.348 [HikariPool-27 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-27 - Thread starvation or clock leap detected (housekeeper delta=50s370ms975µs600ns).
    7534. 

  7534. 17:11:56.348 [HikariPool-34 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-34 - Thread starvation or clock leap detected (housekeeper delta=50s370ms893µs700ns).
    7535. 

  7535. 17:11:56.349 [HikariPool-6 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-6 - Thread starvation or clock leap detected (housekeeper delta=50s371ms842µs).
    7536. 

  7536. 17:11:56.349 [HikariPool-5 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-5 - Thread starvation or clock leap detected (housekeeper delta=50s371ms889µs300ns).
    7537. 

  7537. 17:11:56.349 [HikariPool-41 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-41 - Thread starvation or clock leap detected (housekeeper delta=50s371ms172µs900ns).
    7538. 

  7538. 17:11:56.349 [HikariPool-24 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-24 - Thread starvation or clock leap detected (housekeeper delta=50s371ms428µs600ns).
    7539. 

  7539. 17:11:56.349 [HikariPool-35 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-35 - Thread starvation or clock leap detected (housekeeper delta=50s371ms203µs).
    7540. 

  7540. 17:11:56.349 [HikariPool-15 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-15 - Thread starvation or clock leap detected (housekeeper delta=50s371ms235µs).
    7541. 

  7541. 17:11:56.349 [HikariPool-10 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-10 - Thread starvation or clock leap detected (housekeeper delta=50s371ms264µs).
    7542. 

  7542. 17:11:56.349 [HikariPool-43 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-43 - Thread starvation or clock leap detected (housekeeper delta=50s371ms357µs900ns).
    7543. 

  7543. 17:11:56.349 [HikariPool-9 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-9 - Thread starvation or clock leap detected (housekeeper delta=50s371ms307µs700ns).
    7544. 

  7544. 17:11:56.349 [HikariPool-38 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-38 - Thread starvation or clock leap detected (housekeeper delta=50s371ms383µs500ns).
    7545. 

  7545. 17:11:56.349 [HikariPool-4 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-4 - Thread starvation or clock leap detected (housekeeper delta=50s371ms328µs500ns).
    7546. 

  7546. 17:11:56.349 [HikariPool-29 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-29 - Thread starvation or clock leap detected (housekeeper delta=50s371ms283µs500ns).
    7547. 

  7547. 17:11:56.349 [HikariPool-26 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-26 - Thread starvation or clock leap detected (housekeeper delta=50s371ms592µs400ns).
    7548. 

  7548. 17:11:56.349 [HikariPool-25 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-25 - Thread starvation or clock leap detected (housekeeper delta=50s371ms620µs300ns).
    7549. 

  7549. 17:11:56.349 [HikariPool-19 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-19 - Thread starvation or clock leap detected (housekeeper delta=50s371ms645µs100ns).
    7550. 

  7550. 17:11:56.349 [HikariPool-20 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-20 - Thread starvation or clock leap detected (housekeeper delta=50s371ms672µs300ns).
    7551. 

  7551. 17:11:56.349 [HikariPool-17 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-17 - Thread starvation or clock leap detected (housekeeper delta=50s371ms709µs900ns).
    7552. 

  7552. 17:11:56.349 [HikariPool-13 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-13 - Thread starvation or clock leap detected (housekeeper delta=50s371ms714µs).
    7553. 

  7553. 17:11:56.348 [HikariPool-52 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-52 - Thread starvation or clock leap detected (housekeeper delta=50s370ms301µs800ns).
    7554. 

  7554. 17:11:56.349 [HikariPool-12 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-12 - Thread starvation or clock leap detected (housekeeper delta=50s371ms833µs400ns).
    7555. 

  7555. 17:11:56.349 [HikariPool-42 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-42 - Thread starvation or clock leap detected (housekeeper delta=50s371ms129µs500ns).
    7556. 

  7556. 17:11:56.349 [HikariPool-47 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-47 - Thread starvation or clock leap detected (housekeeper delta=50s371ms86µs700ns).
    7557. 

  7557. 17:24:41.216 [HikariPool-50 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-50 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms243µs300ns).
    7558. 

  7558. 17:24:41.216 [HikariPool-29 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-29 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms61µs800ns).
    7559. 

  7559. 17:24:41.216 [HikariPool-35 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-35 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms205µs100ns).
    7560. 

  7560. 17:24:41.216 [HikariPool-21 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-21 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms187µs100ns).
    7561. 

  7561. 17:24:41.216 [HikariPool-14 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-14 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms754µs399ns).
    7562. 

  7562. 17:24:41.216 [HikariPool-19 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-19 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms829µs400ns).
    7563. 

  7563. 17:24:41.216 [HikariPool-42 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-42 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms406µs200ns).
    7564. 

  7564. 17:24:41.216 [HikariPool-31 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-31 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms16µs199ns).
    7565. 

  7565. 17:24:41.216 [HikariPool-32 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-32 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms110µs100ns).
    7566. 

  7566. 17:24:41.216 [HikariPool-27 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-27 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms592µs200ns).
    7567. 

  7567. 17:24:41.216 [HikariPool-17 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-17 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms332µs899ns).
    7568. 

  7568. 17:24:41.216 [HikariPool-37 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-37 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms226µs799ns).
    7569. 

  7569. 17:24:41.216 [HikariPool-2 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-2 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms845µs).
    7570. 

  7570. 17:24:41.216 [HikariPool-18 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-18 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms636µs300ns).
    7571. 

  7571. 17:24:41.216 [HikariPool-45 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-45 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms377µs500ns).
    7572. 

  7572. 17:24:41.216 [HikariPool-33 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-33 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms842µs500ns).
    7573. 

  7573. 17:24:41.216 [HikariPool-40 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-40 - Thread starvation or clock leap detected (housekeeper delta=12m44s868ms94µs400ns).
    7574. 

  7574. 17:24:41.216 [HikariPool-1 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms278µs800ns).
    7575. 

  7575. 17:24:41.216 [HikariPool-46 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-46 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms396µs400ns).
    7576. 

  7576. 17:24:41.216 [HikariPool-4 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-4 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms500µs100ns).
    7577. 

  7577. 17:24:41.217 [HikariPool-9 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-9 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms553µs).
    7578. 

  7578. 17:24:41.217 [HikariPool-10 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-10 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms603µs900ns).
    7579. 

  7579. 17:24:41.217 [HikariPool-5 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-5 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms866µs499ns).
    7580. 

  7580. 17:24:41.217 [HikariPool-6 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-6 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms235µs599ns).
    7581. 

  7581. 17:24:41.216 [HikariPool-23 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-23 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms724µs99ns).
    7582. 

  7582. 17:24:41.216 [HikariPool-47 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-47 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms821µs799ns).
    7583. 

  7583. 17:24:41.216 [HikariPool-24 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-24 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms783µs).
    7584. 

  7584. 17:24:41.216 [HikariPool-20 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-20 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms389µs899ns).
    7585. 

  7585. 17:24:41.216 [HikariPool-30 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-30 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms93µs800ns).
    7586. 

  7586. 17:24:41.216 [HikariPool-48 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-48 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms994µs200ns).
    7587. 

  7587. 17:24:41.216 [HikariPool-22 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-22 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms214µs600ns).
    7588. 

  7588. 17:24:41.216 [HikariPool-53 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-53 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms631µs499ns).
    7589. 

  7589. 17:24:41.216 [HikariPool-13 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-13 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms669µs300ns).
    7590. 

  7590. 17:24:41.216 [HikariPool-36 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-36 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms276µs299ns).
    7591. 

  7591. 17:24:41.216 [HikariPool-25 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-25 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms399µs300ns).
    7592. 

  7592. 17:24:41.216 [HikariPool-51 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-51 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms795µs).
    7593. 

  7593. 17:24:41.216 [HikariPool-15 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-15 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms782µs500ns).
    7594. 

  7594. 17:24:41.216 [HikariPool-8 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-8 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms685µs900ns).
    7595. 

  7595. 17:24:41.216 [HikariPool-41 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-41 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms346µs900ns).
    7596. 

  7596. 17:24:41.216 [HikariPool-49 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-49 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms910µs500ns).
    7597. 

  7597. 17:24:41.216 [HikariPool-12 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-12 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms193µs700ns).
    7598. 

  7598. 17:24:41.216 [HikariPool-16 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-16 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms993µs900ns).
    7599. 

  7599. 17:24:41.216 [HikariPool-38 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-38 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms272µs300ns).
    7600. 

  7600. 17:24:41.216 [HikariPool-28 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-28 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms700µs800ns).
    7601. 

  7601. 17:24:41.216 [HikariPool-7 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-7 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms904µs699ns).
    7602. 

  7602. 17:24:41.216 [HikariPool-39 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-39 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms881µs600ns).
    7603. 

  7603. 17:24:41.216 [HikariPool-34 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-34 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms877µs899ns).
    7604. 

  7604. 17:24:41.216 [HikariPool-52 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-52 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms824µs700ns).
    7605. 

  7605. 17:24:41.216 [HikariPool-3 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-3 - Thread starvation or clock leap detected (housekeeper delta=12m44s867ms446µs500ns).
    7606. 

  7606. 17:24:41.216 [HikariPool-11 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-11 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms266µs200ns).
    7607. 

  7607. 17:24:41.216 [HikariPool-44 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-44 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms628µs399ns).
    7608. 

  7608. 17:24:41.216 [HikariPool-43 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-43 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms549µs699ns).
    7609. 

  7609. 17:24:41.216 [HikariPool-26 housekeeper] WARN  com.zaxxer.hikari.pool.HikariPool - HikariPool-26 - Thread starvation or clock leap detected (housekeeper delta=12m44s866ms309µs299ns).
    7610.