[jboss-user] [jBPM] - Could not synchronize database state with session:org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect)

Hibernate: update ProcessInstanceInfo set OPTLOCK=?, processId=?, startDate=?, lastReadDate=?, lastModificationDate=?, state=?, processInstanceByteArray=? where InstanceId=? and OPTLOCK=? 2013-4-25 2:02:37 org.hibernate.event.def.AbstractFlushingEventListener performExecutions 严重: 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.persistence.processinstance.ProcessInstanceInfo#1]     at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1782)     at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2425)     at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2325)     at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2625)     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:1028)     at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)     at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)     at bitronix.tm.BitronixTransaction.fireBeforeCompletionEvent(BitronixTransaction.java:478)     at bitronix.tm.BitronixTransaction.commit(BitronixTransaction.java:193)     at bitronix.tm.BitronixTransactionManager.commit(BitronixTransactionManager.java:120)     at org.drools.persistence.jta.JtaTransactionManager.commit(JtaTransactionManager.java:179)     at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:371)     at org.drools.command.impl.CommandBasedStatefulKnowledgeSession$1.completeWorkItem(CommandBasedStatefulKnowledgeSession.java:150)     at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler.handleCompletedTask(GenericHTWorkItemHandler.java:219)     at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler$1.run(GenericHTWorkItemHandler.java:187)     at java.lang.Thread.run(Thread.java:619) 2013-4-25 2:02:37 org.drools.persistence.jta.JtaTransactionManager commit 警告: Unable to commit transaction javax.persistence.OptimisticLockException: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.persistence.processinstance.ProcessInstanceInfo#1]     at org.hibernate.ejb.AbstractEntityManagerImpl.wrapStaleStateException(AbstractEntityManagerImpl.java:630)     at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:588)     at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:513)     at bitronix.tm.BitronixTransaction.fireBeforeCompletionEvent(BitronixTransaction.java:478)     at bitronix.tm.BitronixTransaction.commit(BitronixTransaction.java:193)     at bitronix.tm.BitronixTransactionManager.commit(BitronixTransactionManager.java:120)     at org.drools.persistence.jta.JtaTransactionManager.commit(JtaTransactionManager.java:179)     at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:371)     at org.drools.command.impl.CommandBasedStatefulKnowledgeSession$1.completeWorkItem(CommandBasedStatefulKnowledgeSession.java:150)     at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler.handleCompletedTask(GenericHTWorkItemHandler.java:219)     at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler$1.run(GenericHTWorkItemHandler.java:187)     at java.lang.Thread.run(Thread.java:619) Caused by: org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.persistence.processinstance.ProcessInstanceInfo#1]     at org.hibernate.persister.entity.AbstractEntityPersister.check(AbstractEntityPersister.java:1782)     at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2425)     at org.hibernate.persister.entity.AbstractEntityPersister.updateOrInsert(AbstractEntityPersister.java:2325)     at org.hibernate.persister.entity.AbstractEntityPersister.update(AbstractEntityPersister.java:2625)     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:1028)     at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366)     at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504)     ... 9 more 2013-4-25 2:02:37 org.drools.persistence.SingleSessionCommandService rollbackTransaction