[jboss-user] [JBoss jBPM] - icant get EntityManager in my Action Class implements Action

anasseh do-not-reply at jboss.com
Tue Mar 6 09:24:07 EST 2007


hi,



  | public class CallGetMNIdimplements ActionHandler {
  |    
  |    @PersistenceContext
  |     private EntityManager em;
  |   public void execute(ExecutionContext executionContext) throws Exception {
  | 
  | /*line 80  -->*/ PivotMap  pivotMap =   (PivotMap ) em.
  | 
  |                                   createQuery("....");
  | 
  | }
  |     
  | 



14:12:27,484 ERROR [STDERR] java.lang.NullPointerException
  | 14:12:27,484 ERROR [STDERR] 	at org.test.action.CallGetMNId.execute(CallGetMNId.java:80)
  | 14:12:27,484 ERROR [STDERR] 	at org.jbpm.graph.def.Action.execute(Action.java:123)
  | 14:12:27,484 ERROR [STDERR] 	at org.jbpm.graph.def.GraphElement.executeAction(GraphElement.java:235)
  | 14:12:27,484 ERROR [STDERR] 	at org.jbpm.graph.def.GraphElement.executeActions(GraphElement.java:212)
  | 14:12:27,500 ERROR [STDERR] 	at org.jbpm.graph.def.GraphElement.fireAndPropagateEvent(GraphElement.java:182)
  | 14:12:27,500 ERROR [STDERR] 	at org.jbpm.graph.def.GraphElement.fireEvent(GraphElement.java:166)
  | 14:12:27,500 ERROR [STDERR] 	at org.jbpm.graph.def.Node.enter(Node.java:301)
  | 14:12:27,500 ERROR [STDERR] 	at sun.reflect.GeneratedMethodAccessor126.invoke(Unknown Source)
  | 14:12:27,500 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 14:12:27,500 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 14:12:28,000 ERROR [STDERR] 	at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:205)
  | 14:12:28,000 ERROR [STDERR] 	at org.jbpm.graph.def.Node_$$_javassist_48.enter(Node_$$_javassist_48.java)
  | 14:12:28,000 ERROR [STDERR] 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 14:12:28,000 ERROR [STDERR] 	at org.jbpm.graph.def.Node.leave(Node.java:383)
  | 14:12:28,000 ERROR [STDERR] 	at org.jbpm.graph.exe.ExecutionContext.leaveNode(ExecutionContext.java:136)
  | 14:12:28,500 ERROR [STDERR] 	at org.jbpm.graph.node.Decision.execute(Decision.java:146)
  | 14:12:28,500 ERROR [STDERR] 	at org.jbpm.graph.def.Node.enter(Node.java:316)
  | 14:12:28,500 ERROR [STDERR] 	at sun.reflect.GeneratedMethodAccessor126.invoke(Unknown Source)
  | 14:12:28,500 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 14:12:28,500 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 14:12:28,500 ERROR [STDERR] 	at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:205)
  | 14:12:29,000 ERROR [STDERR] 	at org.jbpm.graph.def.Node_$$_javassist_48.enter(Node_$$_javassist_48.java)
  | 14:12:29,000 ERROR [STDERR] 	at org.jbpm.graph.def.Transition.take(Transition.java:119)
  | 14:12:29,000 ERROR [STDERR] 	at org.jbpm.graph.def.Node.leave(Node.java:383)
  | 14:12:29,000 ERROR [STDERR] 	at org.jbpm.graph.node.StartState.leave(StartState.java:70)
  | 14:12:29,000 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 14:12:29,000 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 14:12:29,500 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 14:12:29,500 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 14:12:29,500 ERROR [STDERR] 	at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:205)
  | 14:12:29,500 ERROR [STDERR] 	at org.jbpm.graph.def.Node_$$_javassist_48.leave(Node_$$_javassist_48.java)
  | 14:12:29,500 ERROR [STDERR] 	at org.jbpm.graph.exe.Token.signal(Token.java:178)
  | 14:12:29,500 ERROR [STDERR] 	at org.jbpm.graph.exe.Token.signal(Token.java:123)
  | 14:12:29,500 ERROR [STDERR] 	at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:217)
  | 14:12:29,500 ERROR [STDERR] 	at org.test.service.ManagerBean.vnaDemande(ManagerBean.java:124)
  | 14:12:29,500 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 14:12:29,500 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 14:12:29,500 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 14:12:29,500 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:46)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:102)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:263)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aop.Dispatcher.invoke(Dispatcher.java:106)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.aspects.remoting.AOPRemotingInvocationHandler.invoke(AOPRemotingInvocationHandler.java:82)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:828)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.remoting.ServerInvoker.invoke(ServerInvoker.java:681)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.remoting.transport.socket.ServerThread.processInvocation(ServerThread.java:358)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.remoting.transport.socket.ServerThread.dorun(ServerThread.java:398)
  | 14:12:29,500 ERROR [STDERR] 	at org.jboss.remoting.transport.socket.ServerThread.run(ServerThread.java:239)
  | 
  | 

:)

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