[jboss-user] [JBoss jBPM] - org.hibernate.TransientObjectException on Fork...

saschwen do-not-reply at jboss.com
Thu Apr 5 14:23:47 EDT 2007 

Hello,

I've just started using JBPM and I'm trying to for a process to have 2 lines to run at the same time.  When I try to run the process, I get the following exception.  Can anyone help?

Thank you,


14:14:03,386 ERROR org.apache.commons.logging.impl.Log4JLogger : org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: 
  | org.jbpm.graph.def.Node
  | 14:14:03,417 ERROR org.apache.commons.logging.impl.Log4JLogger : action threw exception: couldn't delete timers for process instance 'org.jbpm.graph.exe.ProcessInstance at 1e03a61'
  | org.jbpm.JbpmException: couldn't delete timers for process instance 'org.jbpm.graph.exe.ProcessInstance at 1e03a61'
  | 	at org.jbpm.db.SchedulerSession.cancelTimersForProcessInstance(SchedulerSession.java:174)
  | 	at org.jbpm.scheduler.db.DbSchedulerService.cancelTimersByProcessInstance(DbSchedulerService.java:55)
  | 	at org.jbpm.graph.exe.ProcessInstance.end(ProcessInstance.java:275)
  | 	at org.jbpm.graph.exe.Token.notifyParentOfTokenEnd(Token.java:261)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:233)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:193)
  | 	at org.jbpm.graph.exe.Token.notifyParentOfTokenEnd(Token.java:265)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:233)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:193)
  | 	at org.jbpm.graph.node.EndState.execute(EndState.java:46)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:316)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:346)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:120)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:29)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:128)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:31)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.node.Fork.execute(Fork.java:129)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:316)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:128)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:31)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.node.StartState.leave(StartState.java:70)
  | 	at org.jbpm.graph.exe.Token.signal(Token.java:174)
  | 	at org.jbpm.graph.exe.Token.signal(Token.java:123)
  | 	at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:217)
  | 	at com.thestar.gateway.JbpmGateway.submit(JbpmGateway.java:64)
  | 	at com.thestar.schedulable.GatewaySchedulable.submitToGateway(GatewaySchedulable.java:56)
  | 	at com.thestar.schedulable.FSGatewaySchedulable.perform(FSGatewaySchedulable.java:88)
  | 	at com.thestar.schedulable.FTPGatewaySchedulable.perform(FTPGatewaySchedulable.java:116)
  | 	at RunFeed.main(RunFeed.java:43)
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: org.jbpm.graph.def.Node
  | 	at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
  | 	at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
  | 	at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:242)
  | 	at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:482)
  | 	at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:3056)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:474)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:197)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:120)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
  | 	at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
  | 	at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:969)
  | 	at org.hibernate.impl.SessionImpl.executeUpdate(SessionImpl.java:1136)
  | 	at org.hibernate.impl.QueryImpl.executeUpdate(QueryImpl.java:94)
  | 	at org.jbpm.db.SchedulerSession.cancelTimersForProcessInstance(SchedulerSession.java:169)
  | 	... 62 more
  | 14:14:03,432 ERROR org.apache.commons.logging.impl.Log4JLogger : action threw exception: null
  | org.jbpm.graph.def.DelegationException
  | 	at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:349)
  | 	at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:343)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:248)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:128)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:31)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.node.Fork.execute(Fork.java:129)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:316)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:128)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:31)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.node.StartState.leave(StartState.java:70)
  | 	at org.jbpm.graph.exe.Token.signal(Token.java:174)
  | 	at org.jbpm.graph.exe.Token.signal(Token.java:123)
  | 	at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:217)
  | 	at com.thestar.gateway.JbpmGateway.submit(JbpmGateway.java:64)
  | 	at com.thestar.schedulable.GatewaySchedulable.submitToGateway(GatewaySchedulable.java:56)
  | 	at com.thestar.schedulable.FSGatewaySchedulable.perform(FSGatewaySchedulable.java:88)
  | 	at com.thestar.schedulable.FTPGatewaySchedulable.perform(FTPGatewaySchedulable.java:116)
  | 	at RunFeed.main(RunFeed.java:43)
  | Caused by: org.jbpm.JbpmException: couldn't delete timers for process instance 'org.jbpm.graph.exe.ProcessInstance at 1e03a61'
  | 	at org.jbpm.db.SchedulerSession.cancelTimersForProcessInstance(SchedulerSession.java:174)
  | 	at org.jbpm.scheduler.db.DbSchedulerService.cancelTimersByProcessInstance(DbSchedulerService.java:55)
  | 	at org.jbpm.graph.exe.ProcessInstance.end(ProcessInstance.java:275)
  | 	at org.jbpm.graph.exe.Token.notifyParentOfTokenEnd(Token.java:261)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:233)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:193)
  | 	at org.jbpm.graph.exe.Token.notifyParentOfTokenEnd(Token.java:265)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:233)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:193)
  | 	at org.jbpm.graph.node.EndState.execute(EndState.java:46)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:316)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:346)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:120)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:29)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	... 44 more
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: org.jbpm.graph.def.Node
  | 	at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
  | 	at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
  | 	at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:242)
  | 	at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:482)
  | 	at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:3056)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:474)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:197)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:120)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
  | 	at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
  | 	at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:969)
  | 	at org.hibernate.impl.SessionImpl.executeUpdate(SessionImpl.java:1136)
  | 	at org.hibernate.impl.QueryImpl.executeUpdate(QueryImpl.java:94)
  | 	at org.jbpm.db.SchedulerSession.cancelTimersForProcessInstance(SchedulerSession.java:169)
  | 	... 62 more
  | 14:14:03,432 ERROR org.apache.commons.logging.impl.Log4JLogger : action threw exception: null
  | org.jbpm.graph.def.DelegationException
  | 	at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:349)
  | 	at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:343)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:248)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.node.Fork.execute(Fork.java:129)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:316)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:128)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:31)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.node.StartState.leave(StartState.java:70)
  | 	at org.jbpm.graph.exe.Token.signal(Token.java:174)
  | 	at org.jbpm.graph.exe.Token.signal(Token.java:123)
  | 	at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:217)
  | 	at com.thestar.gateway.JbpmGateway.submit(JbpmGateway.java:64)
  | 	at com.thestar.schedulable.GatewaySchedulable.submitToGateway(GatewaySchedulable.java:56)
  | 	at com.thestar.schedulable.FSGatewaySchedulable.perform(FSGatewaySchedulable.java:88)
  | 	at com.thestar.schedulable.FTPGatewaySchedulable.perform(FTPGatewaySchedulable.java:116)
  | 	at RunFeed.main(RunFeed.java:43)
  | Caused by: org.jbpm.graph.def.DelegationException
  | 	at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:349)
  | 	at org.jbpm.graph.def.GraphElement.raiseException(GraphElement.java:343)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:248)
  | 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:357)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:128)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:31)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	... 32 more
  | Caused by: org.jbpm.JbpmException: couldn't delete timers for process instance 'org.jbpm.graph.exe.ProcessInstance at 1e03a61'
  | 	at org.jbpm.db.SchedulerSession.cancelTimersForProcessInstance(SchedulerSession.java:174)
  | 	at org.jbpm.scheduler.db.DbSchedulerService.cancelTimersByProcessInstance(DbSchedulerService.java:55)
  | 	at org.jbpm.graph.exe.ProcessInstance.end(ProcessInstance.java:275)
  | 	at org.jbpm.graph.exe.Token.notifyParentOfTokenEnd(Token.java:261)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:233)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:193)
  | 	at org.jbpm.graph.exe.Token.notifyParentOfTokenEnd(Token.java:265)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:233)
  | 	at org.jbpm.graph.exe.Token.end(Token.java:193)
  | 	at org.jbpm.graph.node.EndState.execute(EndState.java:46)
  | 	at org.jbpm.graph.def.Node.enter(Node.java:316)
  | 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:382)
  | 	at org.jbpm.graph.def.Node.leave(Node.java:346)
  | 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:120)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.transition(TransitionActionHandler.java:29)
  | 	at com.thestar.jbpm.actions.TransitionActionHandler.execute(TransitionActionHandler.java:18)
  | 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 	... 44 more
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: org.jbpm.graph.def.Node
  | 	at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
  | 	at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
  | 	at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:242)
  | 	at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:482)
  | 	at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:3056)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:474)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:197)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:120)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
  | 	at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
  | 	at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:969)
  | 	at org.hibernate.impl.SessionImpl.executeUpdate(SessionImpl.java:1136)
  | 	at org.hibernate.impl.QueryImpl.executeUpdate(QueryImpl.java:94)
  | 	at org.jbpm.db.SchedulerSession.cancelTimersForProcessInstance(SchedulerSession.java:169)
  | 	... 62 more
  | org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
  | 	at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:173)
  | 	at org.jbpm.svc.Services.close(Services.java:211)
  | 	at org.jbpm.JbpmContext.close(JbpmContext.java:138)
  | 	at com.thestar.gateway.JbpmGateway.submit(JbpmGateway.java:76)
  | 	at com.thestar.schedulable.GatewaySchedulable.submitToGateway(GatewaySchedulable.java:56)
  | 	at com.thestar.schedulable.FSGatewaySchedulable.perform(FSGatewaySchedulable.java:88)
  | 	at com.thestar.schedulable.FTPGatewaySchedulable.perform(FTPGatewaySchedulable.java:116)
  | 	at RunFeed.main(RunFeed.java:43)
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: org.jbpm.graph.def.Node
  | 	at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:219)
  | 	at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
  | 	at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:242)
  | 	at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:482)
  | 	at org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:3056)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:474)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:197)
  | 	at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:120)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
  | 	at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
  | 	at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
  | 	at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
  | 	at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
  | 	at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  | 	at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:162)
  | 	... 7 more

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