Hi All
I have a project with similar ake up to dvdstore example (JBPM processes).
I am trying to start a process (registerInterest), this works succesfully.
(@createProcess("matchCustomer")).
I then have a page containing a list of all the tasks that need to be completed
(straight out of the manual, except that instead of assiging the task to a
specific actor I launch straight into @StartTask).
But when I try to start work on the task (the first wait state in the process),
the @StartTask annotation is started (and it gathers the taskid and processid
properly in the aroundInvoke method).
But after you call task.start(actorID) in
BusinessProcessInterceptor.startTask() it blows up with the following stack
trace:
| 22:49:19,703 ERROR [Services] problem closing service 'persistence'
| org.jbpm.persistence.JbpmPersistenceException: couldn't flush hibernate
session
| at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:166)
| at org.jbpm.svc.Services.close(Services.java:211)
| at org.jbpm.JbpmContext.close(JbpmContext.java:138)
| at
org.jboss.seam.core.ManagedJbpmContext.destroy(ManagedJbpmContext.java:80)
| 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:13)
| at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:32)
| at org.jboss.seam.contexts.Contexts.callDestroyMethod(Contexts.java:204)
| at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:187)
| at
org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:239)
| at org.jboss.seam.contexts.Lifecycle.endRequest(Lifecycle.java:164)
| at
org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:107)
| at
org.jboss.seam.jsf.SeamExtendedManagedPersistencePhaseListener.afterPhase(SeamExtendedManagedPersistencePhaseListener.java:52)
| at
org.apache.myfaces.lifecycle.LifecycleImpl.informPhaseListenersAfter(LifecycleImpl.java:536)
| at
org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:359)
| at javax.faces.webapp.FacesServlet.service(FacesServlet.java:107)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.jboss.seam.servlet.SeamRedirectFilter.doFilter(SeamRedirectFilter.java:23)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.jboss.seam.servlet.SeamExceptionFilter.doFilter(SeamExceptionFilter.java:44)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
| at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
| at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
| at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
| at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
| at
org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:54)
| at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:174)
| at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
| at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
| at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
| at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
| at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
| at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:868)
| at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:663)
| at
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
| at
org.apache.tomcat.util.net.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
| at java.lang.Thread.run(Thread.java:595)
| Caused by: org.hibernate.HibernateException: instance not of expected
entity type: org.jbpm.graph.def.Node
| at
org.hibernate.persister.entity.AbstractEntityPersister.getSubclassEntityPersister(AbstractEntityPersister.java:3301)
| at
org.hibernate.impl.SessionImpl.getEntityPersister(SessionImpl.java:1330)
| at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:180)
| at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:215)
| at org.hibernate.type.EntityType.getIdentifier(EntityType.java:108)
| at org.hibernate.type.ManyToOneType.isDirty(ManyToOneType.java:221)
| at org.hibernate.type.TypeFactory.findDirty(TypeFactory.java:476)
| at
org.hibernate.persister.entity.AbstractEntityPersister.findDirty(AbstractEntityPersister.java:2803)
| at
org.hibernate.event.def.DefaultFlushEntityEventListener.dirtyCheck(DefaultFlushEntityEventListener.java:467)
| at
org.hibernate.event.def.DefaultFlushEntityEventListener.isUpdateNecessary(DefaultFlushEntityEventListener.java:190)
| at
org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:113)
| at
org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:195)
| 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:1009)
| at
org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:164)
| ... 43 more
|
I am using the jbpm 3.1beta3 and I have checked the hibernate.cfg.xml and
jbpm.cfg.xml files against the dvdexample and they are identical (apart from
the obvious persistence information).
The other thing of note is that I have injected some variables into the
business process context (but these seam to be correctly placed in the database
tables, so I don't see any problem).
If anybody can point me in the right direction, i'd be thankful.
James
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