[jboss-user] [jBPM Users] - startProcessInstanceByKey causing a

jnlugo do-not-reply at jboss.com
Tue Sep 15 12:08:07 EDT 2009


Yesterday, I started with a fresh jBPM installation. I started a number of process instances no problem with the startProcessInstanceByKey() method. The one odd thing is that my process instance ids from yesterday end in even numbers ... 2, 4, 8, etc.

Today, after restarting the jboss app server, I was able to create one process instance with a process instance id ending in 1.

Now I can no longer start process instances with startProcessInstanceByKey(). I get the following exception.

Can someone please help out?

2009-09-15 11:38:42,248 ERROR [org.hibernate.event.def.AbstractFlushingEventListener] (http-127.0.0.1-8080-5) Could not synchronize database state with session
org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.pvm.internal.history.model.HistoryTaskImpl#2]
	at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1792)
	at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2435)
	at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2335)
	at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2635)
	at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:115)
	at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:279)
	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:263)
	at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:168)
	at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321)
	at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50)
	at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027)
	at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365)
	at org.hibernate.transaction.CacheSynchronization.beforeCompletion(CacheSynchronization.java:88)
	at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:101)
	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:269)
	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:89)
	at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177)
	at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1423)
	at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:137)
	at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:75)
	at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:162)
	at org.jbpm.pvm.internal.tx.jta.JtaTransaction.commit(JtaTransaction.java:91)
	at org.jbpm.pvm.internal.tx.jta.JtaTransactionInterceptor.executeInNewTx(JtaTransactionInterceptor.java:81)
	at org.jbpm.pvm.internal.tx.jta.JtaTransactionInterceptor.execute(JtaTransactionInterceptor.java:61)
	at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55)
	at org.jbpm.pvm.internal.tx.jta.JtaRetryInterceptor.executeWithRetry(JtaRetryInterceptor.java:52)
	at org.jbpm.pvm.internal.tx.jta.JtaRetryInterceptor.execute(JtaRetryInterceptor.java:45)
	at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:46)
	at org.jbpm.pvm.internal.svc.ExecutionServiceImpl.startProcessInstanceByKey(ExecutionServiceImpl.java:70)


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