Execute an action in Timer Boundary Event

lpavone — Fri, 11 Jan 2013 15:33:49 GMT

Hi all,I'm trying to execute a Java Action in a Timer Boundary Event but without take a flow, just keeping in the same task. Is it possible? or is there another alternative?I'm looking send a remainder (by mail) when the timer expire but no cancelling the task and no taking any flow.Thanks.

Re: Execute an action in Timer Boundary Event

webcyberrob — Sat, 12 Jan 2013 21:38:13 GMT

Hi there,

couldn't your timer expiry event take a new path which goes through a decision gate. If first time, continue on to send email task then loop back to the original task and set the process loop counter +1. If not first time, take a flow which effectively abandons the task…

Re: Execute an action in Timer Boundary Event

frederikherema1 — Tue, 15 Jan 2013 08:47:31 GMT

You can mark your boundary-event as non-interupting (cancelActivity="false"). This way, the activity the boundary-event is attached to, won't be ended when the timer fires but rather, a separate parallel flow will be created for this event:


 <boundaryEvent id="escalationTimer" cancelActivity="false" attachedToRef="firstLineSupport">
     <timerEventDefinition>
      <timeDuration>${duration}</timeDuration>
    </timerEventDefinition>
  </boundaryEvent>

Re: Execute an action in Timer Boundary Event

lpavone — Mon, 21 Jan 2013 20:37:22 GMT

Thanks everybody!

Frederick solutions is like I thought in first moment, but I was looking another way without a new parallel flow…
Anyway I will use that solution to customize the email alert for any expired task.
This forum is really amazing, very fast, useful and supported by Activiti developers.
Thanks a lot!

Re: Execute an action in Timer Boundary Event

shimu — Wed, 22 May 2013 19:38:05 GMT

Hi,

I have a similar use case, where reminder emails need to be sent if the user task is not completed in 3 days. The user task on which the timer is attached is a multi instance parallel task. The user task itself should not be cancelled on the time trigger. I have attached the boundary timer to my concurrent approval task and have a sequence flow to an end event. I tried setting the cancelActivity to "false" and it threw exception every 3mins(have this set for testing purpose) , interestingly if I set the cancelAcitivity to "true", it works and the workflow ends. Is there any other setting I might be missing to attach the timer to a multi instance user task?

Below have copy/pasted my workflow config:

</sequenceFlow>
      <boundaryEvent id="boundarytimer1" name="Timer" attachedToRef="concurrentApproval" cancelActivity="false">
      <timerEventDefinition>
      <timeDuration>PT3M</timeDuration>
      </timerEventDefinition>
    </boundaryEvent>
    <endEvent id="endevent2" name="End"></endEvent>
    <sequenceFlow id="flow27" sourceRef="boundarytimer1" targetRef="endevent2">
      <extensionElements>
        <activiti:executionListener event="take" class="org.alfresco.repo.workflow.activiti.listener.ScriptExecutionListener">
          <activiti:field name="script">
            <activiti:string>
                   logger.log("SEND TIMER EMAIL");
            </activiti:string>
          </activiti:field>
        </activiti:executionListener>
      </extensionElements>
    </sequenceFlow>
<userTask id="concurrentApproval" name="Concurrent Approval Task" activiti:assignee="${approverAssignee}" activiti:formKey="wf:activitiReviewTask">
      <extensionElements>
        <activiti:taskListener event="complete" class="org.alfresco.repo.workflow.activiti.tasklistener.ScriptTaskListener">
           <activiti:field name="runAs">
            <activiti:string>admin</activiti:string>
          </activiti:field>
          <activiti:field name="script">
            <activiti:string>if (task.getVariableLocal('wf_reviewOutcome') == 'Reject') {
               var newApprovalRejectCount = wf_approvalRejectCount + 1;
              execution.setVariable('wf_approvalRejectCount', newApprovalRejectCount);
             }
            execution.setVariable('wf_reviewOutcome', task.getVariable('wf_reviewOutcome'));</activiti:string>
          </activiti:field>
        </activiti:taskListener>
        <activiti:taskListener event="create" class="org.alfresco.repo.workflow.activiti.tasklistener.CiscoScriptTaskListener">
           <activiti:field name="runAs">
            <activiti:string>admin</activiti:string>
          </activiti:field>
           <activiti:field name="script">
            <activiti:string> if (typeof bpm_workflowDueDate != 'undefined') task.dueDate = bpm_workflowDueDate
                      if (typeof bpm_workflowPriority != 'undefined') task.priority = bpm_workflowPriority;</activiti:string>
          </activiti:field>
        </activiti:taskListener>
      </extensionElements>
      <multiInstanceLoopCharacteristics isSequential="false" activiti:collection="wf_groupApprovers" activiti:elementVariable="approverAssignee">
      <completionCondition>wf_approvalRejectCount>1</completionCondition>
      </multiInstanceLoopCharacteristics>
    </userTask>

12:42:16,388 ERROR [org.springframework.transaction.support.TransactionSynchronizationUtils] TransactionSynchronization.afterCompletion threw exception
java.lang.IllegalStateException: No value for key [org.apache.ibatis.session.defaults.DefaultSqlSessionFactory@b3ef378] bound to thread [pool-5-thread-5]
at org.springframework.transaction.support.TransactionSynchronizationManager.unbindResource(TransactionSynchronizationManager.java:199)
at org.mybatis.spring.SqlSessionUtils$SqlSessionSynchronization.suspend(SqlSessionUtils.java:243)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.doSuspendSynchronization(AbstractPlatformTransactionManager.java:666)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.suspend(AbstractPlatformTransactionManager.java:569)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.handleExistingTransaction(AbstractPlatformTransactionManager.java:418)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:347)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:127)
at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.jobexecutor.DecrementJobRetriesListener.execute(DecrementJobRetriesListener.java:38)
at org.activiti.spring.SpringTransactionContext$4.afterCompletion(SpringTransactionContext.java:82)
at org.springframework.transaction.support.TransactionSynchronizationUtils.invokeAfterCompletion(TransactionSynchronizationUtils.java:168)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.invokeAfterCompletion(AbstractPlatformTransactionManager.java:996)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.triggerAfterCompletion(AbstractPlatformTransactionManager.java:971)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processRollback(AbstractPlatformTransactionManager.java:874)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.rollback(AbstractPlatformTransactionManager.java:822)
at org.springframework.transaction.support.TransactionTemplate.rollbackOnException(TransactionTemplate.java:161)
at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:134)
at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
at org.activiti.engine.impl.jobexecutor.ExecuteJobsRunnable.run(ExecuteJobsRunnable.java:36)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
12:45:16,603 ERROR [org.springframework.transaction.support.TransactionSynchronizationUtils] TransactionSynchronization.afterCompletion threw exception

Re: Execute an action in Timer Boundary Event

frederikherema1 — Thu, 23 May 2013 07:19:25 GMT

Can you see an earlier exception, other than the "no key" exception? Seems to be an issue with timer an transactions. What version of Alfresco are you running?

Re: Execute an action in Timer Boundary Event

shimu — Thu, 23 May 2013 21:01:29 GMT

That is the first exception. I also noticed that if I attached the timer to a multi instance sequential user task it works. I am on Alfresco 4.1.3 enterprise.

Re: Execute an action in Timer Boundary Event

frederikherema1 — Fri, 24 May 2013 08:34:36 GMT

-> I also noticed that if I attached the timer to a multi instance sequential user task it works.

So attaching the boundary-event to a single task, using cancelActivity="false" throws the exception but when attaching the boundary-event to a single task, using cancelActivity="false" to a multi-instance task is successful?

Any other stack traces/errors in the console before or after the ibatis-exception? Seems like the transaction has been rolled back/ gone already when activiti flushes it's changes.

Re: Execute an action in Timer Boundary Event

deepyamanchatte — Wed, 16 Nov 2016 13:19:53 GMT

TimerBoundaryEvent working inconsistently with UserTask in ver 5.17 Community.
Configuration on the TimerBoundaryEvent:cancelActivity=false

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Execute an action in Timer Boundary Event

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