[jboss-user] [JBoss Seam] - jBPM and Seam Events question

[xinhua]

hello all,

i use quartz to trigger a process and in a process action i want to raise an seam event. But i failed to do that.  The exception is something about trasaction :
10:37:19,918 ERROR [DbPersistenceService] hibernate flush failed
  | org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [org.jbpm.graph.exe.Token#1
  | ]
  |         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:248)
  |         at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:232)
  |         at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:140)
  |         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.jbpm.persistence.db.DbPersistenceService.flushSession(DbPersistenceService.java:239)
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:180)
  |         at org.jbpm.svc.Services.close(Services.java:211)
  |         at org.jbpm.JbpmContext.close(JbpmContext.java:139)
  |         at org.jboss.seam.core.ManagedJbpmContext.destroy(ManagedJbpmContext.java:106)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
  |         at org.jboss.seam.Component.callComponentMethod(Component.java:1904)
  |         at org.jboss.seam.Component.callDestroyMethod(Component.java:1835)
  |         at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:232)
  |         at org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:484)
  |         at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:81)
  |         at org.jboss.seam.core.AbstractDispatcher$Asynchronous.execute(AbstractDispatcher.java:81)
  |         at org.jboss.seam.core.QuartzDispatcher$QuartzJob.execute(QuartzDispatcher.java:242)
  |         at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
  |         at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)
  | 10:37:20,230 ERROR [DbPersistenceService] hibernate rollback failed
  | java.lang.NullPointerException
  |         at org.jbpm.persistence.db.DbPersistenceService.rollback(DbPersistenceService.java:271)
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:182)
  |         at org.jbpm.svc.Services.close(Services.java:211)
  |         at org.jbpm.JbpmContext.close(JbpmContext.java:139)
  |         at org.jboss.seam.core.ManagedJbpmContext.destroy(ManagedJbpmContext.java:106)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
  |         at org.jboss.seam.Component.callComponentMethod(Component.java:1904)
  |         at org.jboss.seam.Component.callDestroyMethod(Component.java:1835)
  |         at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:232)
  |         at org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:484)
  |         at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:81)
  |         at org.jboss.seam.core.AbstractDispatcher$Asynchronous.execute(AbstractDispatcher.java:81)
  |         at org.jboss.seam.core.QuartzDispatcher$QuartzJob.execute(QuartzDispatcher.java:242)
  |         at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
  |         at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)
  | 10:37:20,558 ERROR [Services] problem closing service 'persistence'
  | org.jbpm.persistence.JbpmPersistenceException: hibernate flush failed
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:185)
  |         at org.jbpm.svc.Services.close(Services.java:211)
  |         at org.jbpm.JbpmContext.close(JbpmContext.java:139)
  |         at org.jboss.seam.core.ManagedJbpmContext.destroy(ManagedJbpmContext.java:106)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  |         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  |         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  |         at java.lang.reflect.Method.invoke(Method.java:585)
  |         at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  |         at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:124)
  |         at org.jboss.seam.Component.callComponentMethod(Component.java:1904)
  |         at org.jboss.seam.Component.callDestroyMethod(Component.java:1835)
  |         at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:232)
  |         at org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:484)
  |         at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:81)
  |         at org.jboss.seam.core.AbstractDispatcher$Asynchronous.execute(AbstractDispatcher.java:81)
  |         at org.jboss.seam.core.QuartzDispatcher$QuartzJob.execute(QuartzDispatcher.java:242)
  |         at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
  |         at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:529)

i donot know what happened. Can anyone help me?

thanks in advance

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