[jboss-user] [JBoss jBPM] - Re: Problem with the swimlane in a portlet

antitrust1982 do-not-reply at jboss.com
Fri Jul 28 03:01:35 EDT 2006


I resolve my problem of "out of memory" putting more ram for my server but the problem persite. The error is :

08:48:30,619 ERROR [Services] problem closing service 'persistence'
  | org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:171)
  |         at org.jbpm.svc.Services.close(Services.java:211)
  |         at org.jbpm.JbpmContext.close(JbpmContext.java:141)
  |         at com.opensymphony.webwork.portlet.tutorial.CreateProcessInstanceAction.execute(CreateProcessInstanceAction.java:201)
  |         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 com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:365)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:217)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:191)
  |         at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:137)
  |         at com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:115)
  |         at com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.webwork.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:171)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:151)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:100)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:113)
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:414)
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.processAction(Jsr168Dispatcher.java:272)
  |         at org.jboss.portal.portlet.PortletContainer.invokeAction(PortletContainer.java:492)
  |         at org.jboss.portal.portlet.PortletContainer.dispatch(PortletContainer.java:428)
  |         at org.jboss.portal.server.app.ComponentInvocation.dispatch(ComponentInvocation.java:79)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.component.TransactionInterceptor.invoke(TransactionInterceptor.java:72)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.component.HeaderInterceptor.invoke(HeaderInterceptor.java:50)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.NavigationInterceptor.invoke(NavigationInterceptor.java:76)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.CacheInterceptor.invoke(CacheInterceptor.java:167)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ModesInterceptor.invoke(ModesInterceptor.java:88)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.WindowStatesInterceptor.invoke(WindowStatesInterceptor.java:87)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:49)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPostDispatchInterceptor.invoke(SessionPostDispatchInterceptor.java:65)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$InvokeNextCommand.execute(ContextDispatcherInterceptor.jav
  | :129)
  |         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.portal.server.servlet.CommandServlet.doGet(CommandServlet.java:101)
  |         at org.jboss.portal.server.servlet.CommandServlet.doPost(CommandServlet.java:149)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
  |         at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:539)
  |         at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
  |         at org.jboss.portal.server.app.impl.AbstractRequestContext.include(AbstractRequestContext.java:247)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$1.include(ContextDispatcherInterceptor.java:73)
  |         at org.jboss.portal.server.servlet.CommandServlet.include(CommandServlet.java:81)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:79)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPreDispatchInterceptor.invoke(SessionPreDispatchInterceptor.java:94)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ContextTrackerInterceptor.invoke(ContextTrackerInterceptor.java:49)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SecureTransportInterceptor.invoke(SecureTransportInterceptor.java:69)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.ValveInterceptor.invoke(ValveInterceptor.java:64)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.core.command.InvokeWindowActionCommand.execute(InvokeWindowActionCommand.java:134)
  |         at org.jboss.portal.core.command.ControllerCommand.dispatch(ControllerCommand.java:78)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.controller.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:85)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:168)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:61)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.NavigationInterceptor.invoke(NavigationInterceptor.java:58)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.core.command.CommandContext.execute(CommandContext.java:107)
  |         at org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:93)
  |         at org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:77)
  |         at org.jboss.portal.core.CoreController.handle(CoreController.java:190)
  |         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.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
  |         at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
  |         at org.jboss.mx.util.JMXInvocationHandler.invoke(JMXInvocationHandler.java:273)
  |         at $Proxy133.handle(Unknown Source)
  |         at org.jboss.portal.server.ServerInvocation.dispatch(ServerInvocation.java:76)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.server.SubjectAssociationInterceptor.invoke(SubjectAssociationInterceptor.java:47)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.PolicyAssociationInterceptor.invoke(PolicyAssociationInterceptor.java:52)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.server.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:68)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.LocaleInterceptor.invoke(LocaleInterceptor.java:69)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.UserInterceptor.invoke(UserInterceptor.java:184)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.server.SessionInvalidatorInterceptor.invoke(SessionInvalidatorInterceptor.java:87)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.TransactionInterceptor.invoke(TransactionInterceptor.java:75)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.server.servlet.PortalServlet.doGet(PortalServlet.java:221)
  |         at org.jboss.portal.server.servlet.PortalServlet.doPost(PortalServlet.java:149)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  |         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:39)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
  |         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:856)
  |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
  |         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.TransientObjectException: object references an unsaved transient instance - save the transient instance before flus
  | ing: org.jbpm.graph.exe.Token
  |         at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:216)
  |         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:980)
  |         at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:353)
  |         at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:161)
  |         ... 184 more
  | 08:48:31,322 ERROR [Jsr168Dispatcher] Could not execute action
  | org.jbpm.JbpmException: problem closing services {persistence=org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate sessi
  | n}
  |         at org.jbpm.svc.Services.close(Services.java:223)
  |         at org.jbpm.JbpmContext.close(JbpmContext.java:141)
  |         at com.opensymphony.webwork.portlet.tutorial.CreateProcessInstanceAction.execute(CreateProcessInstanceAction.java:201)
  |         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 com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:365)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:217)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:191)
  |         at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:137)
  |         at com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:115)
  |         at com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.webwork.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:171)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:151)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:100)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:113)
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:414)
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.processAction(Jsr168Dispatcher.java:272)
  |         at org.jboss.portal.portlet.PortletContainer.invokeAction(PortletContainer.java:492)
  |         at org.jboss.portal.portlet.PortletContainer.dispatch(PortletContainer.java:428)
  |         at org.jboss.portal.server.app.ComponentInvocation.dispatch(ComponentInvocation.java:79)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.component.TransactionInterceptor.invoke(TransactionInterceptor.java:72)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.component.HeaderInterceptor.invoke(HeaderInterceptor.java:50)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.NavigationInterceptor.invoke(NavigationInterceptor.java:76)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.CacheInterceptor.invoke(CacheInterceptor.java:167)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ModesInterceptor.invoke(ModesInterceptor.java:88)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.WindowStatesInterceptor.invoke(WindowStatesInterceptor.java:87)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:49)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPostDispatchInterceptor.invoke(SessionPostDispatchInterceptor.java:65)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$InvokeNextCommand.execute(ContextDispatcherInterceptor.jav
  | :129)
  |         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.portal.server.servlet.CommandServlet.doGet(CommandServlet.java:101)
  |         at org.jboss.portal.server.servlet.CommandServlet.doPost(CommandServlet.java:149)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
  |         at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:539)
  |         at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
  |         at org.jboss.portal.server.app.impl.AbstractRequestContext.include(AbstractRequestContext.java:247)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$1.include(ContextDispatcherInterceptor.java:73)
  |         at org.jboss.portal.server.servlet.CommandServlet.include(CommandServlet.java:81)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:79)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPreDispatchInterceptor.invoke(SessionPreDispatchInterceptor.java:94)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ContextTrackerInterceptor.invoke(ContextTrackerInterceptor.java:49)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SecureTransportInterceptor.invoke(SecureTransportInterceptor.java:69)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.ValveInterceptor.invoke(ValveInterceptor.java:64)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.core.command.InvokeWindowActionCommand.execute(InvokeWindowActionCommand.java:134)
  |         at org.jboss.portal.core.command.ControllerCommand.dispatch(ControllerCommand.java:78)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.controller.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:85)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:168)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:61)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.NavigationInterceptor.invoke(NavigationInterceptor.java:58)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.core.command.CommandContext.execute(CommandContext.java:107)
  |         at org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:93)
  |         at org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:77)
  |         at org.jboss.portal.core.CoreController.handle(CoreController.java:190)
  |         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.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
  |         at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
  |         at org.jboss.mx.util.JMXInvocationHandler.invoke(JMXInvocationHandler.java:273)
  |         at $Proxy133.handle(Unknown Source)
  |         at org.jboss.portal.server.ServerInvocation.dispatch(ServerInvocation.java:76)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.server.SubjectAssociationInterceptor.invoke(SubjectAssociationInterceptor.java:47)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.PolicyAssociationInterceptor.invoke(PolicyAssociationInterceptor.java:52)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.server.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:68)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.LocaleInterceptor.invoke(LocaleInterceptor.java:69)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.UserInterceptor.invoke(UserInterceptor.java:184)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.server.SessionInvalidatorInterceptor.invoke(SessionInvalidatorInterceptor.java:87)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.TransactionInterceptor.invoke(TransactionInterceptor.java:75)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.server.servlet.PortalServlet.doGet(PortalServlet.java:221)
  |         at org.jboss.portal.server.servlet.PortalServlet.doPost(PortalServlet.java:149)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  |         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:39)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
  |         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:856)
  |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
  |         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.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:171)
  |         at org.jbpm.svc.Services.close(Services.java:211)
  |         ... 183 more
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flus
  | ing: org.jbpm.graph.exe.Token
  |         at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:216)
  |         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:980)
  |         at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:353)
  |         at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:161)
  |         ... 184 more
  | 08:48:32,010 ERROR [Jsr168Dispatcher] The portlet threw an exception
  | javax.portlet.PortletException: Error executing action processInstance
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:427)
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.processAction(Jsr168Dispatcher.java:272)
  |         at org.jboss.portal.portlet.PortletContainer.invokeAction(PortletContainer.java:492)
  |         at org.jboss.portal.portlet.PortletContainer.dispatch(PortletContainer.java:428)
  |         at org.jboss.portal.server.app.ComponentInvocation.dispatch(ComponentInvocation.java:79)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.component.TransactionInterceptor.invoke(TransactionInterceptor.java:72)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.component.HeaderInterceptor.invoke(HeaderInterceptor.java:50)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.NavigationInterceptor.invoke(NavigationInterceptor.java:76)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.CacheInterceptor.invoke(CacheInterceptor.java:167)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ModesInterceptor.invoke(ModesInterceptor.java:88)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.WindowStatesInterceptor.invoke(WindowStatesInterceptor.java:87)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:49)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPostDispatchInterceptor.invoke(SessionPostDispatchInterceptor.java:65)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$InvokeNextCommand.execute(ContextDispatcherInterceptor.jav
  | :129)
  |         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.portal.server.servlet.CommandServlet.doGet(CommandServlet.java:101)
  |         at org.jboss.portal.server.servlet.CommandServlet.doPost(CommandServlet.java:149)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
  |         at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:539)
  |         at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
  |         at org.jboss.portal.server.app.impl.AbstractRequestContext.include(AbstractRequestContext.java:247)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$1.include(ContextDispatcherInterceptor.java:73)
  |         at org.jboss.portal.server.servlet.CommandServlet.include(CommandServlet.java:81)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:79)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPreDispatchInterceptor.invoke(SessionPreDispatchInterceptor.java:94)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ContextTrackerInterceptor.invoke(ContextTrackerInterceptor.java:49)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SecureTransportInterceptor.invoke(SecureTransportInterceptor.java:69)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.ValveInterceptor.invoke(ValveInterceptor.java:64)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.core.command.InvokeWindowActionCommand.execute(InvokeWindowActionCommand.java:134)
  |         at org.jboss.portal.core.command.ControllerCommand.dispatch(ControllerCommand.java:78)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.controller.EventBroadcasterInterceptor.invoke(EventBroadcasterInterceptor.java:85)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.PolicyEnforcementInterceptor.invoke(PolicyEnforcementInterceptor.java:168)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.PortalNodeInterceptor.invoke(PortalNodeInterceptor.java:61)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.controller.NavigationInterceptor.invoke(NavigationInterceptor.java:58)
  |         at org.jboss.portal.core.command.CommandInterceptor.invoke(CommandInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.core.command.CommandContext.execute(CommandContext.java:107)
  |         at org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:93)
  |         at org.jboss.portal.core.command.ExecutionContext.execute(ExecutionContext.java:77)
  |         at org.jboss.portal.core.CoreController.handle(CoreController.java:190)
  |         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.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
  |         at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
  |         at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:118)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:127)
  |         at org.jboss.mx.server.Invocation.invoke(Invocation.java:74)
  |         at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:245)
  |         at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
  |         at org.jboss.mx.util.JMXInvocationHandler.invoke(JMXInvocationHandler.java:273)
  |         at $Proxy133.handle(Unknown Source)
  |         at org.jboss.portal.server.ServerInvocation.dispatch(ServerInvocation.java:76)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.server.SubjectAssociationInterceptor.invoke(SubjectAssociationInterceptor.java:47)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.PolicyAssociationInterceptor.invoke(PolicyAssociationInterceptor.java:52)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.server.ContentTypeInterceptor.invoke(ContentTypeInterceptor.java:68)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.LocaleInterceptor.invoke(LocaleInterceptor.java:69)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.UserInterceptor.invoke(UserInterceptor.java:184)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.server.SessionInvalidatorInterceptor.invoke(SessionInvalidatorInterceptor.java:87)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.server.TransactionInterceptor.invoke(TransactionInterceptor.java:75)
  |         at org.jboss.portal.server.ServerInterceptor.invoke(ServerInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.invocation.Invocation.invoke(Invocation.java:175)
  |         at org.jboss.portal.server.servlet.PortalServlet.doGet(PortalServlet.java:221)
  |         at org.jboss.portal.server.servlet.PortalServlet.doPost(PortalServlet.java:149)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81)
  |         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:39)
  |         at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159)
  |         at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:407)
  |         at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59)
  |         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:856)
  |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
  |         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.jbpm.JbpmException: problem closing services {persistence=org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibe
  | nate session}
  |         at org.jbpm.svc.Services.close(Services.java:223)
  |         at org.jbpm.JbpmContext.close(JbpmContext.java:141)
  |         at com.opensymphony.webwork.portlet.tutorial.CreateProcessInstanceAction.execute(CreateProcessInstanceAction.java:201)
  |         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 com.opensymphony.xwork.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:365)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:217)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:191)
  |         at com.opensymphony.xwork.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:137)
  |         at com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:115)
  |         at com.opensymphony.xwork.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:81)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.webwork.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:171)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:151)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.AroundInterceptor.intercept(AroundInterceptor.java:31)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:100)
  |         at com.opensymphony.xwork.DefaultActionInvocation.invoke(DefaultActionInvocation.java:189)
  |         at com.opensymphony.xwork.DefaultActionProxy.execute(DefaultActionProxy.java:113)
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:414)
  |         ... 144 more
  | Caused by: org.jbpm.persistence.JbpmPersistenceException: couldn't commit hibernate session
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:171)
  |         at org.jbpm.svc.Services.close(Services.java:211)
  |         ... 183 more
  | Caused by: org.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flus
  | ing: org.jbpm.graph.exe.Token
  |         at org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:216)
  |         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:980)
  |         at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:353)
  |         at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
  |         at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:161)
  |         ... 184 more
  | 08:48:32,744 ERROR [InvokeWindowActionCommand] An portlet exception occured in portlet MyPortlet.MyPortlet
  | javax.portlet.PortletException: Error executing action processInstance
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.serviceAction(Jsr168Dispatcher.java:427)
  |         at com.opensymphony.webwork.portlet.dispatcher.Jsr168Dispatcher.processAction(Jsr168Dispatcher.java:272)
  |         at org.jboss.portal.portlet.PortletContainer.invokeAction(PortletContainer.java:492)
  |         at org.jboss.portal.portlet.PortletContainer.dispatch(PortletContainer.java:428)
  |         at org.jboss.portal.server.app.ComponentInvocation.dispatch(ComponentInvocation.java:79)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:140)
  |         at org.jboss.portal.core.aspects.component.TransactionInterceptor.invoke(TransactionInterceptor.java:72)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.core.aspects.component.HeaderInterceptor.invoke(HeaderInterceptor.java:50)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.NavigationInterceptor.invoke(NavigationInterceptor.java:76)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.CacheInterceptor.invoke(CacheInterceptor.java:167)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ModesInterceptor.invoke(ModesInterceptor.java:88)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.WindowStatesInterceptor.invoke(WindowStatesInterceptor.java:87)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.bridge.BridgeInterceptor.invoke(BridgeInterceptor.java:49)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPostDispatchInterceptor.invoke(SessionPostDispatchInterceptor.java:65)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$InvokeNextCommand.execute(ContextDispatcherInterceptor.jav
  | :129)
  |         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.portal.server.servlet.CommandServlet.doGet(CommandServlet.java:101)
  |         at org.jboss.portal.server.servlet.CommandServlet.doPost(CommandServlet.java:149)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  |         at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
  |         at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
  |         at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
  |         at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:672)
  |         at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:539)
  |         at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:499)
  |         at org.jboss.portal.server.app.impl.AbstractRequestContext.include(AbstractRequestContext.java:247)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor$1.include(ContextDispatcherInterceptor.java:73)
  |         at org.jboss.portal.server.servlet.CommandServlet.include(CommandServlet.java:81)
  |         at org.jboss.portal.server.aspects.component.ContextDispatcherInterceptor.invoke(ContextDispatcherInterceptor.java:79)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.portlet.aspects.component.SessionPreDispatchInterceptor.invoke(SessionPreDispatchInterceptor.java:94)
  |         at org.jboss.portal.server.app.ComponentInterceptor.invoke(ComponentInterceptor.java:38)
  |         at org.jboss.portal.server.invocation.Invocation.invokeNext(Invocation.java:130)
  |         at org.jboss.portal.ser

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