topic When service task process work 3 or more hours, Application exception overridden by rollback exception，exception occurred in the EndEvent in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22434#M9821 <HTML><HEAD></HEAD><BODY><P><IMG __jive_id="21696" alt="Error querying database. Cause: java.sql.SQLException: Could not retrieve transation read-only status server. After 2 Hours" class="image-1 jive-image j-img-original" src="https://connect.hyland.com/legacyfs/online/alfresco/21696_activiti.png" /></P><P>Hi, All</P><P></P><P>I use activiti-5.21 , start&nbsp;process-instances by rest api "RestUrls.createRelativeResourceUrl(RestUrls.URL_PROCESS_INSTANCE_COLLECTION)" and the config as flow:</P><P></P><P>&lt;bean id="parentDataSource" class="com.jolbox.bonecp.BoneCPDataSource" destroy-method="close" abstract="true"&gt;<BR /> &lt;property name="partitionCount" value="3" /&gt;<BR /> &lt;property name="maxConnectionsPerPartition" value="60" /&gt;<BR /> &lt;property name="minConnectionsPerPartition" value="30" /&gt;<BR /> &lt;property name="acquireIncrement" value="2" /&gt;<BR /> &lt;property name="poolAvailabilityThreshold" value="20" /&gt;<BR /> &lt;property name="connectionTimeoutInMs" value="30000" /&gt;<BR /> &lt;property name="maxConnectionAgeInSeconds" value="172800" /&gt;<BR /> &lt;property name="connectionTestStatement" value="select 1" /&gt;<BR /> &lt;property name="idleMaxAgeInSeconds" value="3600" /&gt;<BR /> &lt;property name="idleConnectionTestPeriodInSeconds" value="14400" /&gt;<BR /> &lt;property name="acquireRetryAttempts" value="5" /&gt;<BR /> &lt;property name="acquireRetryDelayInMs" value="5000" /&gt;<BR /> &lt;property name="lazyInit" value="false" /&gt;<BR /> &lt;property name="disableJMX" value="<SPAN>false</SPAN>" /&gt;<BR /> &lt;property name="poolName" value="activiti" /&gt;<BR /> &lt;property name="statementsCacheSize" value="50" /&gt;<BR /> &lt;property name="logStatementsEnabled" value="false" /&gt;<BR /> &lt;property name="queryExecuteTimeLimitInMs" value="0" /&gt;<BR /> &lt;/bean&gt;</P><P>&lt;bean id="dataSource" parent="parentDataSource"&gt;<BR /> &lt;property name="driverClass"&gt;&lt;value&gt;com.mysql.jdbc.Driver&lt;/value&gt;&lt;/property&gt;<BR /> &lt;property name="jdbcUrl"&gt;&lt;value&gt;${db.url}&lt;/value&gt;&lt;/property&gt;<BR /> &lt;property name="user" &gt;&lt;value&gt;${db.username}&lt;/value&gt;&lt;/property&gt;<BR /> &lt;property name="password"&gt;&lt;value&gt;${db.password}&lt;/value&gt;&lt;/property&gt;<BR /> &lt;/bean&gt;</P><P></P><P>In this workFlow: the service task of "wait for job"&nbsp; lock.wait(10800000),&nbsp; "Gateway" go to "time out/error"&nbsp; after 3 hours.&nbsp;</P><P>But at this time, the process is abnormal :</P><P></P><P><STRONG>（PS：The exception occurred in the EndEvent）</STRONG></P><P></P><P>[TransactionTemplate.java:167][http-bio-4200-exec-1173]-- Application exception overridden by rollback exception<BR />org.apache.ibatis.exceptions.PersistenceException: <BR />### Error querying database. Cause: java.sql.SQLException: Could not retrieve transation read-only status server<BR />### The error may exist in org/activiti/db/mapping/entity/Task.xml<BR />### The error may involve org.activiti.engine.impl.persistence.entity.TaskEntity.selectTasksByExecutionId-Inline<BR />### The error occurred while setting parameters<BR />### SQL: select distinct T.* from ACT_RU_TASK T where T.EXECUTION_ID_ = ?<BR />### Cause: java.sql.SQLException: Could not retrieve transation read-only status server<BR /> at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:30)<BR /> at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:122)<BR /> at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:113)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectListWithRawParameter(DbSqlSession.java:443)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:434)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:429)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:406)<BR /> at org.activiti.engine.impl.persistence.entity.TaskEntityManager.findTasksByExecutionId(TaskEntityManager.java:117)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.ensureTasksInitialized(ExecutionEntity.java:1392)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.getTasksInternal(ExecutionEntity.java:1397)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.getTasks(ExecutionEntity.java:1402)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.removeTasks(ExecutionEntity.java:1058)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.remove(ExecutionEntity.java:981)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessEnd.eventNotificationsCompleted(AtomicOperationProcessEnd.java:62)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityEnd.eventNotificationsCompleted(AtomicOperationActivityEnd.java:78)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.end(ExecutionEntity.java:400)<BR /> at org.activiti.engine.impl.bpmn.behavior.NoneEndEventActivityBehavior.execute(NoneEndEventActivityBehavior.java:24)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.ExclusiveGatewayActivityBehavior.leave(ExclusiveGatewayActivityBehavior.java:83)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR /> at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:74)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR /> at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:74)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR /> at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:74)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStartInitial.eventNotificationsCompleted(AtomicOperationProcessStartInitial.java:45)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStart.eventNotificationsCompleted(AtomicOperationProcessStart.java:64)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.start(ExecutionEntity.java:382)<BR /> at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:110)<BR /> at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:37)<BR /> at org.activiti.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:24)<BR /> at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:57)<BR /> at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:47)<BR /> at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)<BR /> at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:45)<BR /> at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)<BR /> at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:40)<BR /> at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:35)<BR /> at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:86)<BR /> at org.activiti.rest.service.api.runtime.process.ProcessInstanceCollectionResource.createProcessInstance(ProcessInstanceCollectionResource.java:166)<BR /> at sun.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)<BR /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<BR /> at java.lang.reflect.Method.invoke(Method.java:606)<BR /> at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)<BR /> at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)<BR /> at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)<BR /> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)<BR /> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)<BR /> at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)<BR /> at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)<BR /> at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)<BR /> at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)<BR /> at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)<BR /> at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)<BR /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)<BR /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)<BR /> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)<BR /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)<BR /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)<BR /> at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)<BR /> at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)<BR /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)<BR /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)<BR /> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)<BR /> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)<BR /> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)<BR /> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)<BR /> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)<BR /> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)<BR /> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)<BR /> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)<BR /> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)<BR /> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)<BR /> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)<BR /> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)<BR /> at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)<BR /> at java.lang.Thread.run(Thread.java:745)<BR />Caused by: java.sql.SQLException: Could not retrieve transation read-only status server<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:951)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:941)<BR /> at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3946)<BR /> at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3917)<BR /> at com.mysql.jdbc.PreparedStatement.checkReadOnlySafeStatement(PreparedStatement.java:1258)<BR /> at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1278)<BR /> at com.jolbox.bonecp.PreparedStatementHandle.execute(PreparedStatementHandle.java:140)<BR /> at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:62)<BR /> at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:78)<BR /> at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)<BR /> at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:303)<BR /> at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:154)<BR /> at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:102)<BR /> at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:82)<BR /> at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:120)<BR /> ... 298 more<BR />Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure</P><P>The last packet successfully received from the server was 7,225,790 milliseconds ago. The last packet sent successfully to the server was 1 milliseconds ago.<BR /> at sun.reflect.GeneratedConstructorAccessor82.newInstance(Unknown Source)<BR /> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)<BR /> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)<BR /> at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)<BR /> at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1121)<BR /> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3720)<BR /> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3609)<BR /> at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4160)<BR /> at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2617)<BR /> at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2778)<BR /> at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2819)<BR /> at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2768)<BR /> at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1612)<BR /> at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3940)<BR /> ... 310 more<BR />Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.<BR /> at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3166)<BR /> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3620)<BR /> ... 318 more<BR />[2018-06-28 09:49:30-ERROR][ExceptionHandlerAdvice.java:80][http-bio-4200-exec-1173]-- Unhandled exception<BR />org.springframework.transaction.TransactionSystemException: Could not roll back JDBC transaction; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.<BR /> at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:290)<BR /> at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:849)<BR /> at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:826)<BR /> at org.springframework.transaction.support.TransactionTemplate.rollbackOnException(TransactionTemplate.java:164)<BR /> at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:137)<BR /> at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:45)<BR /> at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:31)<BR /> at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:40)<BR /> at org.activiti.engine.impl.cfg.CommandExecutorImpl.execute(CommandExecutorImpl.java:35)<BR /> at org.activiti.engine.impl.RuntimeServiceImpl.startProcessInstanceByKey(RuntimeServiceImpl.java:86)<BR /> at org.activiti.rest.service.api.runtime.process.ProcessInstanceCollectionResource.createProcessInstance(ProcessInstanceCollectionResource.java:166)<BR /> at sun.reflect.GeneratedMethodAccessor79.invoke(Unknown Source)<BR /> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<BR /> at java.lang.reflect.Method.invoke(Method.java:606)<BR /> at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)<BR /> at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)<BR /> at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)<BR /> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:777)<BR /> at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:706)<BR /> at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)<BR /> at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)<BR /> at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)<BR /> at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)<BR /> at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)<BR /> at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)<BR /> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)<BR /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)<BR /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)<BR /> at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)<BR /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)<BR /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)<BR /> at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)<BR /> at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)<BR /> at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)<BR /> at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)<BR /> at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)<BR /> at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)<BR /> at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)<BR /> at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)<BR /> at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)<BR /> at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)<BR /> at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421)<BR /> at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1074)<BR /> at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)<BR /> at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314)<BR /> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)<BR /> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)<BR /> at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)<BR /> at java.lang.Thread.run(Thread.java:745)<BR />Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.<BR /> at sun.reflect.GeneratedConstructorAccessor83.newInstance(Unknown Source)<BR /> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)<BR /> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)<BR /> at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)<BR /> at com.mysql.jdbc.Util.getInstance(Util.java:386)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1015)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:989)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:975)<BR /> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:920)<BR /> at com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1311)<BR /> at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1303)<BR /> at com.mysql.jdbc.ConnectionImpl.rollback(ConnectionImpl.java:5035)<BR /> at com.jolbox.bonecp.ConnectionHandle.rollback(ConnectionHandle.java:1272)<BR /> at org.springframework.jdbc.datasource.DataSourceTransactionManager.doRollback(DataSourceTransactionManager.java:287)<BR /> ... 49 more<BR />Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure</P><P>The last packet successfully received from the server was 7,225,790 milliseconds ago. The last packet sent successfully to the server was 1 milliseconds ago.<BR /> at sun.reflect.GeneratedConstructorAccessor82.newInstance(Unknown Source)<BR /> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)<BR /> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)<BR /> at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)<BR /> at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1121)<BR /> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3720)<BR /> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3609)<BR /> at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4160)<BR /> at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2617)<BR /> at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2778)<BR /> at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2819)<BR /> at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2768)<BR /> at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1612)<BR /> at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3940)<BR /> at com.mysql.jdbc.ConnectionImpl.isReadOnly(ConnectionImpl.java:3917)<BR /> at com.mysql.jdbc.PreparedStatement.checkReadOnlySafeStatement(PreparedStatement.java:1258)<BR /> at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1278)<BR /> at com.jolbox.bonecp.PreparedStatementHandle.execute(PreparedStatementHandle.java:140)<BR /> at org.apache.ibatis.executor.statement.PreparedStatementHandler.query(PreparedStatementHandler.java:62)<BR /> at org.apache.ibatis.executor.statement.RoutingStatementHandler.query(RoutingStatementHandler.java:78)<BR /> at org.apache.ibatis.executor.SimpleExecutor.doQuery(SimpleExecutor.java:62)<BR /> at org.apache.ibatis.executor.BaseExecutor.queryFromDatabase(BaseExecutor.java:303)<BR /> at org.apache.ibatis.executor.BaseExecutor.query(BaseExecutor.java:154)<BR /> at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:102)<BR /> at org.apache.ibatis.executor.CachingExecutor.query(CachingExecutor.java:82)<BR /> at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:120)<BR /> at org.apache.ibatis.session.defaults.DefaultSqlSession.selectList(DefaultSqlSession.java:113)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectListWithRawParameter(DbSqlSession.java:443)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:434)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:429)<BR /> at org.activiti.engine.impl.db.DbSqlSession.selectList(DbSqlSession.java:406)<BR /> at org.activiti.engine.impl.persistence.entity.TaskEntityManager.findTasksByExecutionId(TaskEntityManager.java:117)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.ensureTasksInitialized(ExecutionEntity.java:1392)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.getTasksInternal(ExecutionEntity.java:1397)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.getTasks(ExecutionEntity.java:1402)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.removeTasks(ExecutionEntity.java:1058)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.remove(ExecutionEntity.java:981)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessEnd.eventNotificationsCompleted(AtomicOperationProcessEnd.java:62)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityEnd.eventNotificationsCompleted(AtomicOperationActivityEnd.java:78)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.end(ExecutionEntity.java:400)<BR /> at org.activiti.engine.impl.bpmn.behavior.NoneEndEventActivityBehavior.execute(NoneEndEventActivityBehavior.java:24)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.ExclusiveGatewayActivityBehavior.leave(ExclusiveGatewayActivityBehavior.java:83)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR /> at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:74)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR /> at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:74)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.AbstractBpmnActivityBehavior.leave(AbstractBpmnActivityBehavior.java:47)<BR /> at org.activiti.engine.impl.bpmn.behavior.ServiceTaskExpressionActivityBehavior.execute(ServiceTaskExpressionActivityBehavior.java:74)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerStart.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerStart.java:52)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionCreateScope.execute(AtomicOperationTransitionCreateScope.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerTake.execute(AtomicOperationTransitionNotifyListenerTake.java:80)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionDestroyScope.execute(AtomicOperationTransitionDestroyScope.java:116)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationTransitionNotifyListenerEnd.eventNotificationsCompleted(AtomicOperationTransitionNotifyListenerEnd.java:35)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:49)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:454)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.take(ExecutionEntity.java:432)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performOutgoingBehavior(BpmnActivityBehavior.java:140)<BR /> at org.activiti.engine.impl.bpmn.behavior.BpmnActivityBehavior.performDefaultOutgoingBehavior(BpmnActivityBehavior.java:66)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.leave(FlowNodeActivityBehavior.java:44)<BR /> at org.activiti.engine.impl.bpmn.behavior.FlowNodeActivityBehavior.execute(FlowNodeActivityBehavior.java:36)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationActivityExecute.execute(AtomicOperationActivityExecute.java:60)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStartInitial.eventNotificationsCompleted(AtomicOperationProcessStartInitial.java:45)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.pvm.runtime.AtomicOperationProcessStart.eventNotificationsCompleted(AtomicOperationProcessStart.java:64)<BR /> at org.activiti.engine.impl.pvm.runtime.AbstractEventAtomicOperation.execute(AbstractEventAtomicOperation.java:56)<BR /> at org.activiti.engine.impl.interceptor.CommandContext.performOperation(CommandContext.java:97)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperationSync(ExecutionEntity.java:644)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.performOperation(ExecutionEntity.java:637)<BR /> at org.activiti.engine.impl.persistence.entity.ExecutionEntity.start(ExecutionEntity.java:382)<BR /> at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:110)<BR /> at org.activiti.engine.impl.cmd.StartProcessInstanceCmd.execute(StartProcessInstanceCmd.java:37)<BR /> at org.activiti.engine.impl.interceptor.CommandInvoker.execute(CommandInvoker.java:24)<BR /> at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:57)<BR /> at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:47)<BR /> at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:133)<BR /> ... 45 more<BR />Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.<BR /> at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3166)<BR /> at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3620)<BR /> ... 318 more</P></BODY></HTML> Thu, 28 Jun 2018 04:08:14 GMT gavin_huang 2018-06-28T04:08:14Z When service task process work 3 or more hours, Application exception overridden by rollback exception，exception occurred in the EndEvent https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22434#M9821 Hi, AllI use activiti-5.21 , start&nbsp;process-instances by rest api "RestUrls.createRelativeResourceUrl(RestUrls.URL_PROCESS_INSTANCE_COLLECTION)" and the config as flow:&lt;bean id="parentDataSource" class="com.jolbox.bonecp.BoneCPDataSource" destroy-method="close" abstract="true"&gt; &lt;property nam Thu, 28 Jun 2018 04:08:14 GMT https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22434#M9821 gavin_huang 2018-06-28T04:08:14Z Re: When service task process work 3 or more hours, Application exception overridden by rollback exception，exception occurred in the EndEvent https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22435#M9822 <HTML><HEAD></HEAD><BODY><P>Does&nbsp;your custom service task take more than 3 hours to execute? Did you try making the service task async?&nbsp;</P></BODY></HTML> Mon, 02 Jul 2018 15:13:58 GMT https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22435#M9822 bassam_al-saror 2018-07-02T15:13:58Z Re: When service task process work 3 or more hours, Application exception overridden by rollback exception，exception occurred in the EndEvent https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22436#M9823 <HTML><HEAD></HEAD><BODY><P>Thank you for your answer.&nbsp;</P><P>Sometimes more than 3 hours to execute. but "other job"&nbsp;&nbsp;depend on the previous task.</P></BODY></HTML> Tue, 03 Jul 2018 17:17:04 GMT https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22436#M9823 gavin_huang 2018-07-03T17:17:04Z Re: When service task process work 3 or more hours, Application exception overridden by rollback exception，exception occurred in the EndEvent https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22437#M9824 <HTML><HEAD></HEAD><BODY><P>Even if async the next task will not be executed until the previous one finishes.</P></BODY></HTML> Wed, 04 Jul 2018 10:44:19 GMT https://connect.hyland.com/t5/alfresco-forum/when-service-task-process-work-3-or-more-hours-application/m-p/22437#M9824 bassam_al-saror 2018-07-04T10:44:19Z