[jboss-user] [jBPM] - timer job Exception

[Miloud Haimoune]

Miloud Haimoune [https://community.jboss.org/people/milhaim] created the discussion

"timer job Exception"

To view the discussion, visit: https://community.jboss.org/message/754050#754050

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Hi all,

I m using JBPM 5.3 in a web application with jboss server  5.1

I discovered this exception in the logs:


javax.persistence.TransactionRequiredException: No active JTA transaction on joinTransaction call
    at org.hibernate.ejb.AbstractEntityManagerImpl.joinTransaction(AbstractEntityManagerImpl.java:458)
    at org.hibernate.ejb.AbstractEntityManagerImpl.joinTransaction(AbstractEntityManagerImpl.java:431)
    at org.drools.persistence.jpa.JpaPersistenceContext.joinTransaction(JpaPersistenceContext.java:29)
    at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:349)
    at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:34)
    at org.drools.persistence.jpa.JpaTimerJobInstance.call(JpaTimerJobInstance.java:14)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
    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:680)
16:03:57,751 ERROR [JpaTimerJobInstance] Unable to execute timer job!


it happens from time to time, I can not see any directly related cause, 

do you have any idea where this coming from and how to fix it ? 

Many thanks
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