Seam question...and problem
statelessbean Apr 25, 2007 4:20 AMHi 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