[JBoss Seam] - Seam question...and problem
by Stateless Bean
Hi all,
Can anyone tell me is my doing right?
I want to have one global for all user sessions collection, and each user can insert to those collection some date of excecute.
I also got asynchronous invoked method that get time of excecution from collection and invoke my method.
Method do somethink in db.
And here is my code:
Here is my class:
| @Name("engineControler")
| public class EngineControler extends MySystem {
|
1. can I inject my EntityManager to application context right that?
| @In(create=true)
| protected EntityManager em;
|
I got some trouble with method with is invoke.
Normally method working well, but in timmer i get
| 11:11:29,866 WARN [Contexts] Could not destroy component: em
| org.hibernate.TransactionException: Could not register synchronization
| at org.hibernate.transaction.CMTTransaction.registerSynchronization(CMTTransaction.java:159)
| at org.hibernate.ejb.EntityManagerImpl.close(EntityManagerImpl.java:59)
| at org.jboss.seam.core.ManagedPersistenceContext.destroy(ManagedPersistenceContext.java:145)
| at sun.reflect.GeneratedMethodAccessor520.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
| at java.lang.reflect.Method.invoke(Unknown Source)
| at org.jboss.seam.util.Reflections.invoke(Reflections.java:18)
| at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:102)
| at org.jboss.seam.Component.callComponentMethod(Component.java:1835)
| at org.jboss.seam.Component.callDestroyMethod(Component.java:1791)
| at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:230)
| at org.jboss.seam.contexts.Lifecycle.flushAndDestroyContexts(Lifecycle.java:396)
| at org.jboss.seam.contexts.Lifecycle.endCall(Lifecycle.java:72)
| at org.jboss.seam.core.Dispatcher$Asynchronous.execute(Dispatcher.java:94)
| at org.jboss.seam.core.Dispatcher.dispatch(Dispatcher.java:165)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
| at java.lang.reflect.Method.invoke(Unknown Source)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
| at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
| at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
| at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:197)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:78)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:47)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
| at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
| at org.jboss.ejb3.stateless.StatelessContainer.callTimeout(StatelessContainer.java:124)
| at org.jboss.ejb.txtimer.TimerImpl$TimerTaskImpl.run(TimerImpl.java:524)
| at java.util.TimerThread.mainLoop(Unknown Source)
| at java.util.TimerThread.run(Unknown Source)
| Caused by: javax.transaction.RollbackException: Already marked for rollback TransactionImpl:XidImpl[FormatId=257, GlobalId=sherkan/73, BranchQual=, localId=73]
| at org.jboss.tm.TransactionImpl.registerSynchronization(TransactionImpl.java:635)
| at org.hibernate.transaction.CMTTransaction.registerSynchronization(CMTTransaction.java:156)
| ... 43 more
| 11:11:29,906 ERROR [TimerImpl] Error invoking ejbTimeout: javax.ejb.EJBException: java.lang.NullPointerException
|
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