[2025-06-27 00:03:24.333] [WARN ] [flowable-cmmn-acquire-timer-jobs] [o.f.j.s.i.asyncexecutor.AcquireTimerJobsRunnable] [?] [?] - exception during timer job acquisition for engine cmmn. Exception message: Could not open JDBC Connection for transaction org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:313) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:57) at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:51) at org.flowable.job.service.impl.asyncexecutor.AcquireTimerJobsRunnable.executeAcquireAndMoveCycle(AcquireTimerJobsRunnable.java:178) at org.flowable.job.service.impl.asyncexecutor.AcquireTimerJobsRunnable.run(AcquireTimerJobsRunnable.java:119) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:885) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:810) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:417) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:129) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:114) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:269) ... 10 common frames omitted Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:829) ... 18 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:589) at java.base/sun.nio.ch.Net.connect(Net.java:578) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:583) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) at java.base/java.net.Socket.connect(Socket.java:751) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 20 common frames omitted [2025-06-27 00:03:24.349] [WARN ] [flowable-bpmn-acquire-timer-jobs] [o.f.j.s.i.asyncexecutor.AcquireTimerJobsRunnable] [?] [?] - exception during timer job acquisition for engine bpmn. Exception message: Could not open JDBC Connection for transaction org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:313) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:57) at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:51) at org.flowable.job.service.impl.asyncexecutor.AcquireTimerJobsRunnable.executeAcquireAndMoveCycle(AcquireTimerJobsRunnable.java:178) at org.flowable.job.service.impl.asyncexecutor.AcquireTimerJobsRunnable.run(AcquireTimerJobsRunnable.java:119) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:885) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:810) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:417) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:129) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:114) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:269) ... 10 common frames omitted Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:829) ... 18 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:589) at java.base/sun.nio.ch.Net.connect(Net.java:578) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:583) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) at java.base/java.net.Socket.connect(Socket.java:751) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 20 common frames omitted [2025-06-27 00:03:24.380] [WARN ] [flowable-bpmn-acquire-async-jobs] [o.f.j.s.i.a.AcquireAsyncJobsDueRunnable] [?] [?] - exception for engine bpmn during async job acquisition: Could not open JDBC Connection for transaction org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:313) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:57) at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:51) at org.flowable.job.service.impl.asyncexecutor.AcquireAsyncJobsDueRunnable.acquireAndExecuteJobs(AcquireAsyncJobsDueRunnable.java:182) at org.flowable.job.service.impl.asyncexecutor.AcquireAsyncJobsDueRunnable.executeAcquireCycle(AcquireAsyncJobsDueRunnable.java:156) at org.flowable.job.service.impl.asyncexecutor.AcquireAsyncJobsDueRunnable.run(AcquireAsyncJobsDueRunnable.java:134) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:885) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:810) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:417) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:129) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:114) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:269) ... 11 common frames omitted Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:829) ... 19 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:589) at java.base/sun.nio.ch.Net.connect(Net.java:578) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:583) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) at java.base/java.net.Socket.connect(Socket.java:751) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 21 common frames omitted [2025-06-27 00:03:24.426] [WARN ] [flowable-cmmn-acquire-async-jobs] [o.f.j.s.i.a.AcquireAsyncJobsDueRunnable] [?] [?] - exception for engine cmmn during async job acquisition: Could not open JDBC Connection for transaction org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:313) at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:532) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:405) at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137) at org.flowable.common.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:57) at org.flowable.common.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:30) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:56) at org.flowable.common.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:51) at org.flowable.job.service.impl.asyncexecutor.AcquireAsyncJobsDueRunnable.acquireAndExecuteJobs(AcquireAsyncJobsDueRunnable.java:182) at org.flowable.job.service.impl.asyncexecutor.AcquireAsyncJobsDueRunnable.executeAcquireCycle(AcquireAsyncJobsDueRunnable.java:156) at org.flowable.job.service.impl.asyncexecutor.AcquireAsyncJobsDueRunnable.run(AcquireAsyncJobsDueRunnable.java:134) at java.base/java.lang.Thread.run(Thread.java:1583) Caused by: java.sql.SQLNonTransientConnectionException: Could not create connection to database server. Attempted reconnect 3 times. Giving up. at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:111) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:98) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:90) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:64) at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:74) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:885) at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:810) at com.mysql.cj.jdbc.ConnectionImpl.(ConnectionImpl.java:438) at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:241) at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:189) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:417) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:129) at com.mysql.cj.jdbc.MysqlDataSource.getConnection(MysqlDataSource.java:114) at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:269) ... 11 common frames omitted Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62) at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502) at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:104) at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:149) at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:165) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:88) at com.mysql.cj.NativeSession.connect(NativeSession.java:120) at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:829) ... 19 common frames omitted Caused by: java.net.ConnectException: Connection refused: connect at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:589) at java.base/sun.nio.ch.Net.connect(Net.java:578) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:583) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) at java.base/java.net.Socket.connect(Socket.java:751) at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:62) ... 21 common frames omitted [2025-06-27 01:06:00.112] [INFO ] [SpringApplicationShutdownHook] [o.f.j.s.impl.asyncexecutor.AbstractAsyncExecutor] [?] [?] - Shutting down the async job executor [org.flowable.spring.job.service.SpringAsyncExecutor] for engine cmmn [2025-06-27 01:06:00.112] [INFO ] [flowable-cmmn-acquire-async-jobs] [o.f.j.s.i.a.AcquireAsyncJobsDueRunnable] [?] [?] - stopped async job due acquisition for engine cmmn [2025-06-27 01:06:00.112] [INFO ] [flowable-cmmn-reset-expired-jobs] [o.f.j.s.i.asyncexecutor.ResetExpiredJobsRunnable] [?] [?] - stopped resetting expired jobs for engine cmmn [2025-06-27 01:06:00.112] [INFO ] [flowable-cmmn-acquire-timer-jobs] [o.f.j.s.i.asyncexecutor.AcquireTimerJobsRunnable] [?] [?] - stopped async job due acquisition for engine cmmn [2025-06-27 01:06:00.177] [INFO ] [SpringApplicationShutdownHook] [o.f.j.s.impl.asyncexecutor.AbstractAsyncExecutor] [?] [?] - Shutting down the async job executor [org.flowable.spring.job.service.SpringAsyncExecutor] for engine bpmn [2025-06-27 01:06:00.177] [INFO ] [flowable-bpmn-acquire-async-jobs] [o.f.j.s.i.a.AcquireAsyncJobsDueRunnable] [?] [?] - stopped async job due acquisition for engine bpmn [2025-06-27 01:06:00.177] [INFO ] [flowable-bpmn-acquire-timer-jobs] [o.f.j.s.i.asyncexecutor.AcquireTimerJobsRunnable] [?] [?] - stopped async job due acquisition for engine bpmn [2025-06-27 01:06:00.177] [INFO ] [flowable-bpmn-reset-expired-jobs] [o.f.j.s.i.asyncexecutor.ResetExpiredJobsRunnable] [?] [?] - stopped resetting expired jobs for engine bpmn [2025-06-27 01:06:00.233] [DEBUG] [SpringApplicationShutdownHook] [o.f.e.i.p.e.E.clearAllProcessInstanceLockTimes] [?] [?] - ==> Preparing: update ACT_RU_EXECUTION set LOCK_TIME_ = null, LOCK_OWNER_ = null where LOCK_OWNER_ = ? [2025-06-27 01:06:00.233] [DEBUG] [SpringApplicationShutdownHook] [o.f.e.i.p.e.E.clearAllProcessInstanceLockTimes] [?] [?] - ==> Parameters: 0513c01b-597d-491e-9a29-8abd09273b2b(String) [2025-06-27 01:06:00.245] [DEBUG] [SpringApplicationShutdownHook] [o.f.e.i.p.e.E.clearAllProcessInstanceLockTimes] [?] [?] - <== Updates: 0