[jboss-user] [jBPM] - eternal exception : jBPM seam 'Session is closed!'

Abdurrahman Nasr do-not-reply at jboss.com
Tue Apr 13 11:41:22 EDT 2010 

Abdurrahman Nasr [http://community.jboss.org/people/abdurrahman_nasr] created the discussion

"eternal exception : jBPM seam 'Session is closed!'"

To view the discussion, visit: http://community.jboss.org/message/537217#537217

--------------------------------------------------------------
Hi guys..

I have an exception which occurs when seam container try to create Business Process from processdefinition.xml. using annotation like

==============================
@CreateProcess(definition = "todo_BP")
    public String createTodo() {
        System.out.println("==========Proces created========");
        return "success";
    }
==============================

I have digged for this exception days and nights  :-/  and nobody answer it, neither the community.

here is the exception
==================================================
16:57:35,332 ERROR [GraphSession] org.hibernate.SessionException: Session is closed!
16:57:35,348 ERROR [GraphSession] org.hibernate.SessionException: Session is closed!
16:57:35,348 ERROR [SeamPhaseListener] swallowing exception
org.jbpm.JbpmException: could not get process instance 30
    at org.jbpm.db.GraphSession.getProcessInstance(GraphSession.java:311)
    at org.jbpm.JbpmContext.getProcessInstanceForUpdate(JbpmContext.java:378)
    at org.jboss.seam.bpm.ProcessInstance$1.work(ProcessInstance.java:49)
    at org.jboss.seam.bpm.ProcessInstance$1.work(ProcessInstance.java:43)
    at org.jboss.seam.util.Work.workInTransaction(Work.java:47)
    at org.jboss.seam.bpm.ProcessInstance.getProcessInstance(ProcessInstance.java:39)
    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:597)
    at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
    at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144)
    at org.jboss.seam.Component.callComponentMethod(Component.java:2249)
    at org.jboss.seam.Component.unwrap(Component.java:2275)
    at org.jboss.seam.Component.getInstance(Component.java:2041)
    at org.jboss.seam.Component.getInstance(Component.java:2000)
    at org.jboss.seam.Component.getInstance(Component.java:1994)
    at org.jboss.seam.Component.getInstance(Component.java:1967)
    at org.jboss.seam.Component.getInstance(Component.java:1962)
    at org.jboss.seam.bpm.ProcessInstance.instance(ProcessInstance.java:65)
    at org.jboss.seam.contexts.BusinessProcessContext.getProcessInstance(BusinessProcessContext.java:229)
    at org.jboss.seam.contexts.BusinessProcessContext.getContextInstance(BusinessProcessContext.java:217)
    at org.jboss.seam.contexts.BusinessProcessContext.get(BusinessProcessContext.java:68)
    at org.jboss.seam.contexts.Contexts.lookupInStatefulContexts(Contexts.java:209)
    at org.jboss.seam.Component.getInstance(Component.java:1982)
    at org.jboss.seam.Component.getInstance(Component.java:1977)
    at org.jboss.seam.Component.getInstance(Component.java:1957)
    at org.jboss.seam.Component.getInstance(Component.java:1952)
    at org.jboss.seam.persistence.PersistenceContexts.instance(PersistenceContexts.java:82)
    at org.jboss.seam.jsf.SeamPhaseListener.beforeRenderResponse(SeamPhaseListener.java:493)
    at org.jboss.seam.jsf.SeamPhaseListener.beforeServletPhase(SeamPhaseListener.java:148)
    at org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:118)
    at com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:214)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:96)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
    at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
    at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
    at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
    at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
    at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:619)
Caused by: org.hibernate.SessionException: Session is closed!
    at org.hibernate.impl.AbstractSessionImpl.errorIfClosed(AbstractSessionImpl.java:72)
    at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:901)
    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:842)
    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:835)
    at org.jbpm.db.GraphSession.getProcessInstance(GraphSession.java:307)
    ... 78 more
16:57:35,348 ERROR [SynchronizationRegistry] Exception processing transaction Synchronization before completion
org.hibernate.SessionException: Session is closed!
    at org.hibernate.impl.AbstractSessionImpl.errorIfClosed(AbstractSessionImpl.java:72)
    at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1020)
    at org.jboss.seam.bpm.ManagedJbpmContext.beforeCompletion(ManagedJbpmContext.java:116)
    at org.jboss.seam.transaction.SynchronizationRegistry.beforeTransactionCompletion(SynchronizationRegistry.java:62)
    at org.jboss.seam.transaction.SeSynchronizations.beforeTransactionCommit(SeSynchronizations.java:49)
    at org.jboss.seam.transaction.UTTransaction.commit(UTTransaction.java:49)
    at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:613)
    at org.jboss.seam.jsf.SeamPhaseListener.commitOrRollback(SeamPhaseListener.java:604)
    at org.jboss.seam.jsf.SeamPhaseListener.handleTransactionsAfterPhase(SeamPhaseListener.java:345)
    at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:245)
    at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:196)
    at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
    at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
    at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
    at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
    at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
    at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:619)
16:57:35,348 ERROR [GraphSession] org.hibernate.SessionException: Session is closed!
16:57:35,348 WARN  [SeamPhaseListener] uncaught exception, passing to exception handler
org.jbpm.JbpmException: could not get process instance 30
    at org.jbpm.db.GraphSession.getProcessInstance(GraphSession.java:311)
    at org.jbpm.JbpmContext.getProcessInstanceForUpdate(JbpmContext.java:378)
    at org.jboss.seam.bpm.ProcessInstance$1.work(ProcessInstance.java:49)
    at org.jboss.seam.bpm.ProcessInstance$1.work(ProcessInstance.java:43)
    at org.jboss.seam.util.Work.workInTransaction(Work.java:47)
    at org.jboss.seam.bpm.ProcessInstance.getProcessInstance(ProcessInstance.java:39)
    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:597)
    at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
    at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144)
    at org.jboss.seam.Component.callComponentMethod(Component.java:2249)
    at org.jboss.seam.Component.unwrap(Component.java:2275)
    at org.jboss.seam.Component.getInstance(Component.java:2041)
    at org.jboss.seam.Component.getInstance(Component.java:2000)
    at org.jboss.seam.Component.getInstance(Component.java:1994)
    at org.jboss.seam.Component.getInstance(Component.java:1967)
    at org.jboss.seam.Component.getInstance(Component.java:1962)
    at org.jboss.seam.bpm.ProcessInstance.instance(ProcessInstance.java:65)
    at org.jboss.seam.contexts.BusinessProcessContext.getProcessInstance(BusinessProcessContext.java:229)
    at org.jboss.seam.contexts.BusinessProcessContext.getContextInstance(BusinessProcessContext.java:217)
    at org.jboss.seam.contexts.BusinessProcessContext.get(BusinessProcessContext.java:68)
    at org.jboss.seam.contexts.Contexts.lookupInStatefulContexts(Contexts.java:209)
    at org.jboss.seam.Component.getInstance(Component.java:1982)
    at org.jboss.seam.Component.getInstance(Component.java:1977)
    at org.jboss.seam.Component.getInstance(Component.java:1957)
    at org.jboss.seam.Component.getInstance(Component.java:1952)
    at org.jboss.seam.persistence.PersistenceContexts.instance(PersistenceContexts.java:82)
    at org.jboss.seam.jsf.SeamPhaseListener.afterRenderResponse(SeamPhaseListener.java:506)
    at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:249)
    at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:196)
    at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
    at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
    at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
    at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
    at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
    at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:619)
Caused by: org.hibernate.SessionException: Session is closed!
    at org.hibernate.impl.AbstractSessionImpl.errorIfClosed(AbstractSessionImpl.java:72)
    at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:901)
    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:842)
    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:835)
    at org.jbpm.db.GraphSession.getProcessInstance(GraphSession.java:307)
    ... 78 more
16:57:35,348 ERROR [GraphSession] org.hibernate.SessionException: Session is closed!
16:57:35,348 ERROR [SeamPhaseListener] swallowing exception
org.jbpm.JbpmException: could not get process instance 30
    at org.jbpm.db.GraphSession.getProcessInstance(GraphSession.java:311)
    at org.jbpm.JbpmContext.getProcessInstanceForUpdate(JbpmContext.java:378)
    at org.jboss.seam.bpm.ProcessInstance$1.work(ProcessInstance.java:49)
    at org.jboss.seam.bpm.ProcessInstance$1.work(ProcessInstance.java:43)
    at org.jboss.seam.util.Work.workInTransaction(Work.java:47)
    at org.jboss.seam.bpm.ProcessInstance.getProcessInstance(ProcessInstance.java:39)
    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:597)
    at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
    at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:144)
    at org.jboss.seam.Component.callComponentMethod(Component.java:2249)
    at org.jboss.seam.Component.unwrap(Component.java:2275)
    at org.jboss.seam.Component.getInstance(Component.java:2041)
    at org.jboss.seam.Component.getInstance(Component.java:2000)
    at org.jboss.seam.Component.getInstance(Component.java:1994)
    at org.jboss.seam.Component.getInstance(Component.java:1967)
    at org.jboss.seam.Component.getInstance(Component.java:1962)
    at org.jboss.seam.bpm.ProcessInstance.instance(ProcessInstance.java:65)
    at org.jboss.seam.contexts.BusinessProcessContext.getProcessInstance(BusinessProcessContext.java:229)
    at org.jboss.seam.contexts.BusinessProcessContext.getContextInstance(BusinessProcessContext.java:217)
    at org.jboss.seam.contexts.BusinessProcessContext.get(BusinessProcessContext.java:68)
    at org.jboss.seam.contexts.Contexts.lookupInStatefulContexts(Contexts.java:209)
    at org.jboss.seam.Component.getInstance(Component.java:1982)
    at org.jboss.seam.Component.getInstance(Component.java:1977)
    at org.jboss.seam.Component.getInstance(Component.java:1957)
    at org.jboss.seam.Component.getInstance(Component.java:1952)
    at org.jboss.seam.persistence.PersistenceContexts.instance(PersistenceContexts.java:82)
    at org.jboss.seam.jsf.SeamPhaseListener.afterRenderResponse(SeamPhaseListener.java:506)
    at org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:249)
    at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:196)
    at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:175)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:114)
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
    at org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
    at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
    at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
    at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
    at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
    at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
    at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
    at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
    at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
    at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
    at java.lang.Thread.run(Thread.java:619)
Caused by: org.hibernate.SessionException: Session is closed!
    at org.hibernate.impl.AbstractSessionImpl.errorIfClosed(AbstractSessionImpl.java:72)
    at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:901)
    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:842)
    at org.hibernate.impl.SessionImpl.get(SessionImpl.java:835)
    at org.jbpm.db.GraphSession.getProcessInstance(GraphSession.java:307)
    ... 78 more

================================================================================================
/*process definition file*/
//todo.jpdl.xml
----------------------------------------------------------------------------------------------------------------------------------------
<process-definition name="todo_BP">
    <start-state name="start">
        <transition to="todo" />
    </start-state>
    <task-node name="todo">
        <task name="todo" description="This is a test">
            <assignment actor-id="manager" />
        </task>
        <transition to="done" name="toend"/>
    </task-node>
    <end-state name="done" >
        <event type="process-start">
            <script name="s">
                System.out.println(&quot;Reached to the end&quot;);
            </script>
        </event>
    </end-state>
</process-definition>
----------------------------------------------------------------------------------------------------------------------------------------

/*Creator Bean*/

//TodoList.java
----------------------------------------------------------------------------------------------------------------------------------------
package net.anasr;

import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.bpm.CreateProcess;
import org.jboss.seam.annotations.bpm.EndTask;
import org.jboss.seam.annotations.bpm.StartTask;

@Name("todoList")
public class TodoList {
    private String description;

    public String getDescription() {
        return (description==null?"No description associated with this element":description);
    }

    public void setDescription(String description) {
        this.description = description;
    }

    @CreateProcess(definition = "todo_BP")
    public String createTodo() {
        System.out.println("==========Proces created========");
        return "success";
    }

    @StartTask
    @EndTask
    public String done() {
        System.out.println("==========Proces Done========");
        return "done";
        
    }
}


----------------------------------------------------------------------------------------------------------------------------------------
plz it's urgent matter, any one knows, plz tell

Thank...!

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