Hi, We see the following invocation when we use JBPM to orchestrate our ESB services. | 2009-03-02 16:00:07,508 DEBUG [org.hibernate.jdbc.AbstractBatcher] about to close PreparedStatement (open PreparedStatements: 1, globally: 1) | 2009-03-02 16:00:07,508 DEBUG [org.hibernate.jdbc.ConnectionManager] skipping aggressive-release due to flush cycle | 2009-03-02 16:00:07,508 ERROR [org.hibernate.event.def.AbstractFlushingEventListener] 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.job.ExecuteActionJob#63081] | at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1765) | at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2407) | at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2307) | at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2607) | at org.hibernate.action.EntityUpdateAction.execute(EntityUpdateAction.java:92) | at org.hibernate.engine.ActionQueue.execute(ActionQueue.java:250) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:234) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:142) | at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298) | at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27) | at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000) | at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338) | at org.hibernate.transaction.CacheSynchronization.beforeCompletion(CacheSynchronization.java:59) | at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:114) | at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:247) | at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86) | at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177) | at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1389) | at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135) | at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:87) | at org.jboss.tm.usertx.client.ServerVMClientUserTransaction.commit(ServerVMClientUserTransaction.java:140) | at org.jbpm.persistence.jta.JtaDbPersistenceService.endJtaTransaction(JtaDbPersistenceService.java:76) | at org.jbpm.persistence.jta.JtaDbPersistenceService.close(JtaDbPersistenceService.java:37) | at org.jbpm.svc.Services.close(Services.java:225) | at org.jbpm.JbpmContext.close(JbpmContext.java:139) | at org.jbpm.job.executor.JobExecutorThread.acquireJobs(JobExecutorThread.java:144) | at org.jbpm.job.executor.JobExecutorThread.run(JobExecutorThread.java:58) | 2009-03-02 16:00:07,509 DEBUG [org.hibernate.jdbc.ConnectionManager] aggressively releasing JDBC connection | 2009-03-02 16:00:07,509 DEBUG [org.hibernate.jdbc.ConnectionManager] releasing JDBC connection [ (open PreparedStatements: 0, globally: 0) (open ResultSets: 0, globally: 0)] | 2009-03-02 16:00:07,510 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator_2] TwoPhaseCoordinator.beforeCompletion - failed fo | r com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple@53a642 | | Here is our env: anonymous wrote : | Oracle 10g | jboss-4.2.3.GA | jboss-messaging-1.4.2.GA | jbossesb-4.4.GA | Our BPM does not use fork or joins. Any help appreciated. Thanks :) SShetty View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4214312#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...