Krisv W [https://community.jboss.org/people/gang2007] created the discussion
"Re: ERROR drools.persistence.SingleSessionCommandService.rollbackTransaction Could not commit session java.lang.IllegalArgumentException: IOException while loading process instance: null"
To view the discussion, visit: https://community.jboss.org/message/809895#809895
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Hi,Maciej!
May I ask you another questionïŒ
I have a process with two Human Task Nodes.When it runs to the second node,the console shows as follows.No idea how to fix it :(
Please help~Thanks in advance.
Hibernate: update ProcessInstanceInfo set OPTLOCK=?, processId=?, startDate=?, lastReadDate=?, lastModificationDate=?, state=?, processInstanceByteArray=? where InstanceId=? and OPTLOCK=?
2013-4-24 1:28:19 org.hibernate.event.def.AbstractFlushingEventListener performExecutions
䞥é: 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)
2013-4-24 1:28:19 org.drools.persistence.jta.JtaTransactionManager commit
èŠå: 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
2013-4-24 1:28:19 org.drools.persistence.SingleSessionCommandService rollbackTransaction
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