[INFO ] [2026-03-26 08:37:34] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] 开始请求，url=/tenantadmin/flow/flowMessage/getMessageCount, reqData={}
[DEBUG] [2026-03-26 08:37:35] T:[] S:[] U:[] [scheduling-1] ==> [TID: N/A] ==>  Preparing: SELECT id,process_definition_id,process_instance_id,task_key,task_id,timeout_hours,handle_way,default_assignee,error_message,status,exec_time,create_time,update_time FROM zz_flow_task_timeout_job WHERE (status = ? AND exec_time <= ?)
[DEBUG] [2026-03-26 08:37:35] T:[] S:[] U:[] [scheduling-1] ==> [TID: N/A] ==> Parameters: 0(Integer), 2026-03-26 08:37:35.177(Timestamp)
[DEBUG] [2026-03-26 08:37:35] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] ==>  Preparing: SELECT COUNT(1) FROM zz_flow_message a WHERE a.tenant_id IS NULL AND a.app_code IS NULL AND a.task_finished = false AND a.message_type = 0 AND (a.task_assignee = ? OR EXISTS (SELECT * FROM zz_flow_msg_candidate_identity b WHERE a.message_id = b.message_id AND b.candidate_id IN ( ? , ? , ? )))
[DEBUG] [2026-03-26 08:37:35] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] ==> Parameters: admin(String), 1694263314487447643(String), admin(String), 1687340069586735111(String)
[DEBUG] [2026-03-26 08:37:35] T:[] S:[] U:[] [scheduling-1] ==> [TID: N/A] <==      Total: 0
[DEBUG] [2026-03-26 08:37:35] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] <==      Total: 1
[DEBUG] [2026-03-26 08:37:36] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] ==>  Preparing: SELECT COUNT(1) FROM zz_flow_message a WHERE a.tenant_id IS NULL AND a.app_code IS NULL AND a.message_type = 1 AND EXISTS (SELECT * FROM zz_flow_msg_candidate_identity b WHERE a.message_id = b.message_id AND b.candidate_id IN ( ? , ? , ? )) AND NOT EXISTS (SELECT * FROM zz_flow_msg_identity_operation c WHERE a.message_id = c.message_id AND c.login_name = ?)
[DEBUG] [2026-03-26 08:37:36] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] ==> Parameters: 1694263314487447643(String), admin(String), 1687340069586735111(String), admin(String)
[DEBUG] [2026-03-26 08:37:36] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] <==      Total: 1
[DEBUG] [2026-03-26 08:37:36] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] ==>  Preparing: SELECT COUNT(1) FROM sys_message_entry a WHERE a.read_status = 0 and a.receive_user_id=?
[DEBUG] [2026-03-26 08:37:36] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] ==> Parameters: 1687340069582540800(Long)
[DEBUG] [2026-03-26 08:37:36] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] <==      Total: 1
[INFO ] [2026-03-26 08:37:36] T:[2bd7870e06314618b60481208be528b0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-4] ==> [TID: N/A] 请求完成, url=/tenantadmin/flow/flowMessage/getMessageCount，elapse=1178ms, respData={"data":{"sysMessageCount":0,"copyMessageCount":0,"remindingMessageCount":0},"errorCode":"NO-ERROR","errorMessage":"NO-MESSAGE","success":true}
[INFO ] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] 开始请求，url=/tenantadmin/flow/flowMessage/getMessageCount, reqData={}
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] ==>  Preparing: SELECT COUNT(1) FROM zz_flow_message a WHERE a.tenant_id IS NULL AND a.app_code IS NULL AND a.task_finished = false AND a.message_type = 0 AND (a.task_assignee = ? OR EXISTS (SELECT * FROM zz_flow_msg_candidate_identity b WHERE a.message_id = b.message_id AND b.candidate_id IN ( ? , ? , ? )))
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] ==> Parameters: admin(String), 1694263314487447643(String), admin(String), 1687340069586735111(String)
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] <==      Total: 1
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] ==>  Preparing: SELECT COUNT(1) FROM zz_flow_message a WHERE a.tenant_id IS NULL AND a.app_code IS NULL AND a.message_type = 1 AND EXISTS (SELECT * FROM zz_flow_msg_candidate_identity b WHERE a.message_id = b.message_id AND b.candidate_id IN ( ? , ? , ? )) AND NOT EXISTS (SELECT * FROM zz_flow_msg_identity_operation c WHERE a.message_id = c.message_id AND c.login_name = ?)
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] ==> Parameters: 1694263314487447643(String), admin(String), 1687340069586735111(String), admin(String)
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] <==      Total: 1
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] ==>  Preparing: SELECT COUNT(1) FROM sys_message_entry a WHERE a.read_status = 0 and a.receive_user_id=?
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] ==> Parameters: 1687340069582540800(Long)
[DEBUG] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] <==      Total: 1
[INFO ] [2026-03-26 08:37:38] T:[a69519da360d43fd84b976254a794ab0] S:[admin_4_e8813e76aa5846e498083d64cfd743df] U:[1687340069582540800] [http-nio-8077-exec-5] ==> [TID: N/A] 请求完成, url=/tenantadmin/flow/flowMessage/getMessageCount，elapse=344ms, respData={"data":{"sysMessageCount":0,"copyMessageCount":0,"remindingMessageCount":0},"errorCode":"NO-ERROR","errorMessage":"NO-MESSAGE","success":true}
[WARN ] [2026-03-26 08:37:45] T:[] S:[] U:[] [flowable-bpmn-acquire-async-jobs] ==> [TID: N/A] exception for engine bpmn during async job acquisition: Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 9,476 milliseconds ago. The last packet sent successfully to the server was 9,566 milliseconds ago.
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 9,476 milliseconds ago. The last packet sent successfully to the server was 9,566 milliseconds ago.
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)
	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.lang.Thread.run(Thread.java:750)
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 9,476 milliseconds ago. The last packet sent successfully to the server was 9,566 milliseconds ago.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2064)
	at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:725)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287)
	... 11 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 9,476 milliseconds ago. The last packet sent successfully to the server was 9,566 milliseconds ago.
	at sun.reflect.GeneratedConstructorAccessor161.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
	at com.mysql.cj.protocol.a.NativeProtocol.send(NativeProtocol.java:575)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:630)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:946)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:892)
	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1073)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2054)
	... 13 common frames omitted
Caused by: java.net.SocketException: Connection reset by peer: socket write error
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
	at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
	at com.mysql.cj.protocol.a.SimplePacketSender.send(SimplePacketSender.java:55)
	at com.mysql.cj.protocol.a.TimeTrackingPacketSender.send(TimeTrackingPacketSender.java:50)
	at com.mysql.cj.protocol.a.NativeProtocol.send(NativeProtocol.java:566)
	... 18 common frames omitted
[WARN ] [2026-03-26 08:37:45] T:[] S:[] U:[] [flowable-bpmn-acquire-timer-jobs] ==> [TID: N/A] exception during timer job acquisition for engine bpmn. Exception message: Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 6,655 milliseconds ago. The last packet sent successfully to the server was 6,659 milliseconds ago.
org.springframework.transaction.CannotCreateTransactionException: Could not open JDBC Connection for transaction; nested exception is com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 6,655 milliseconds ago. The last packet sent successfully to the server was 6,659 milliseconds ago.
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:309)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.startTransaction(AbstractPlatformTransactionManager.java:400)
	at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:373)
	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.lang.Thread.run(Thread.java:750)
Caused by: com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

The last packet successfully received from the server was 6,655 milliseconds ago. The last packet sent successfully to the server was 6,659 milliseconds ago.
	at com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:174)
	at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2064)
	at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:725)
	at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:287)
	... 10 common frames omitted
Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure

The last packet successfully received from the server was 6,655 milliseconds ago. The last packet sent successfully to the server was 6,659 milliseconds ago.
	at sun.reflect.GeneratedConstructorAccessor161.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
	at com.mysql.cj.protocol.a.NativeProtocol.send(NativeProtocol.java:575)
	at com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:630)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:946)
	at com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:892)
	at com.mysql.cj.NativeSession.execSQL(NativeSession.java:1073)
	at com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2054)
	... 12 common frames omitted
Caused by: java.net.SocketException: Connection reset by peer: socket write error
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111)
	at java.net.SocketOutputStream.write(SocketOutputStream.java:155)
	at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
	at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
	at com.mysql.cj.protocol.a.SimplePacketSender.send(SimplePacketSender.java:55)
	at com.mysql.cj.protocol.a.TimeTrackingPacketSender.send(TimeTrackingPacketSender.java:50)
	at com.mysql.cj.protocol.a.NativeProtocol.send(NativeProtocol.java:566)
	... 17 common frames omitted
[DEBUG] [2026-03-26 08:40:01] T:[] S:[] U:[] [scheduling-1] ==> [TID: N/A] ==>  Preparing: SELECT id,process_definition_id,process_instance_id,task_key,task_id,timeout_hours,handle_way,default_assignee,error_message,status,exec_time,create_time,update_time FROM zz_flow_task_timeout_job WHERE (status = ? AND exec_time <= ?)
[DEBUG] [2026-03-26 08:40:01] T:[] S:[] U:[] [scheduling-1] ==> [TID: N/A] ==> Parameters: 0(Integer), 2026-03-26 08:40:01.052(Timestamp)
[DEBUG] [2026-03-26 08:40:01] T:[] S:[] U:[] [scheduling-1] ==> [TID: N/A] <==      Total: 0