Hi Friends and Kukultjee sir,
I am new to jbpm.Hope u will help me in solving this Problem..
I am using Jbpm-3.1.4 and Jboss 4.0.2 as apllication server and database MsSQL
....
I developed processdefinition.xml file and deployed in jbpm-3.1.4 .it is
running successfully with hardcoding values...
Now,what i am doing is i am inserting the values from the database using
stored procedure directly to the first node ie.startstate which contains
two textboxes i.e projectname,plan status .after
executing the storedprocedure the corresponding values are populated in
these textboxes..Up to Now..it's Ok..But after clicking the 'Save and Close'
button
it is generating the following errors..
exception stacktrace:
14:41:25,436 DEBUG [JbpmContext] closing JbpmContext
14:41:25,436 DEBUG [Services] closing service 'persistence': [EMAIL PROTECTED]
14:41:25,436 DEBUG [DbPersistenceService] committing hibernate transaction
14:41:25,452 INFO [STDOUT] couldn't commit hibernate session
14:41:25,452 DEBUG [DbPersistenceService] closing hibernate session
14:41:25,452 DEBUG [Services] closing service 'logging': [EMAIL PROTECTED]
14:41:25,452 DEBUG [Services] closing service 'authentication':
org.jbpm.security.authentication.DefaultAuthenticationSe
[EMAIL PROTECTED]
14:41:25,452 ERROR [[FacesServlet]] Servlet.service() for servlet FacesServlet
threw exception
javax.faces.FacesException: Error calling action method of component with id
taskform:transitionButton
at
org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:74)
at javax.faces.component.UICommand.broadcast(UICommand.java:106)
at javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:90)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:164)
at
org.apache.myfaces.lifecycle.LifecycleImpl.invokeApplication(LifecycleImpl.java:271)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:86)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:94)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.jbpm.webapp.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:56)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jbpm.web.JbpmContextFilter.doFilter(JbpmContextFilter.java:83)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jbpm.webapp.filter.LogFilter.doFilter(LogFilter.java:62)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java: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:153)
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: javax.faces.el.EvaluationException: Exception while invoking
expression #{taskBean.saveAndClose}
at org.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:153)
at
org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:63)
... 34 more
Caused by: org.jbpm.graph.def.DelegationException
at
org.jbpm.taskmgmt.exe.TaskMgmtInstance.performAssignment(TaskMgmtInstance.java:247)
at
org.jbpm.taskmgmt.exe.TaskMgmtInstance.getInitializedSwimlaneInstance(TaskMgmtInstance.java:202)
at org.jbpm.taskmgmt.exe.TaskInstance.assign(TaskInstance.java:202)
at
org.jbpm.taskmgmt.exe.TaskMgmtInstance.createTaskInstance(TaskMgmtInstance.java:157)
at org.jbpm.graph.node.TaskNode.execute(TaskNode.java:177)
at org.jbpm.graph.def.Node.enter(Node.java:321)
at org.jbpm.graph.def.Node$$FastClassByCGLIB$$d187eeda.invoke()
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:161)
at org.jbpm.graph.def.Node$$EnhancerByCGLIB$$1b65fd46.enter()
at org.jbpm.graph.def.Transition.take(Transition.java:129)
at org.jbpm.graph.def.Node.leave(Node.java:399)
at org.jbpm.graph.node.TaskNode.leave(TaskNode.java:213)
at org.jbpm.graph.def.Node$$FastClassByCGLIB$$d187eeda.invoke()
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:161)
at org.jbpm.graph.def.Node$$EnhancerByCGLIB$$1b65fd46.leave()
at org.jbpm.graph.exe.Token.signal(Token.java:181)
at org.jbpm.graph.exe.Token.signal(Token.java:149)
at org.jbpm.graph.exe.Token$$FastClassByCGLIB$$74df1c6e.invoke()
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:161)
at org.jbpm.graph.exe.Token$$EnhancerByCGLIB$$82f38682.signal()
at org.jbpm.taskmgmt.exe.TaskInstance.end(TaskInstance.java:469)
at org.jbpm.taskmgmt.exe.TaskInstance.end(TaskInstance.java:408)
at org.jbpm.taskmgmt.exe.TaskInstance$$FastClassByCGLIB$$cb2c21af.invoke()
at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
at
org.hibernate.proxy.CGLIBLazyInitializer.intercept(CGLIBLazyInitializer.java:161)
at org.jbpm.taskmgmt.exe.TaskInstance$$EnhancerByCGLIB$$7b99ebe5.end()
at org.jbpm.webapp.bean.TaskBean.saveAndClose(TaskBean.java:189)
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.apache.myfaces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:129)
... 35 more
Caused by: org.jbpm.identity.assignment.ExpressionAssignmentException: couldn't
resolve assignment expression 'user(Aari
f)'
at
org.jbpm.identity.assignment.ExpressionAssignmentHandler.assign(ExpressionAssignmentHandler.java:104)
at
org.jbpm.taskmgmt.exe.TaskMgmtInstance.performAssignmentDelegation(TaskMgmtInstance.java:259)
at
org.jbpm.taskmgmt.exe.TaskMgmtInstance.performAssignment(TaskMgmtInstance.java:228)
... 69 more
Caused by: java.lang.NullPointerException
at
org.jbpm.identity.hibernate.IdentitySession.getUserByName(IdentitySession.java:168)
at
org.jbpm.identity.assignment.ExpressionAssignmentHandler.getUserByName(ExpressionAssignmentHandler.java:226)
at
org.jbpm.identity.assignment.ExpressionAssignmentHandler.resolveFirstTerm(ExpressionAssignmentHandler.java:15
6)
at
org.jbpm.identity.assignment.ExpressionAssignmentHandler.assign(ExpressionAssignmentHandler.java:80)
... 71 more
I tried and didnt find the solution Hope u will help me in this
Thanx in Advance...
-sathya
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