[jboss-user] [JBoss Seam] - event org.jboss.seam.preDestroyContext.SESSION and no transa

[rmemoria]

I'm trying to map a session logout and I've implemented using events in a SEAM way

	<event type="org.jboss.seam.preDestroyContext.SESSION">
  | 		<action expression="#{authenticator.logout}"/>
  | 	</event>
  | 

and the code is

@Transactional
  | public void logout() {
  |     if (identity.isLoggedIn()) {
  |         userLogin = entityManager.merge(userLogin);
  |         userLogin.setLogoutDate(new java.util.Date());
  | 
  |         entityManager.persist(userLogin);
  | 
  |         System.out.println("Logout: " + userLogin.getUser().getLogin());
  |     }
  | }
The problem: The logout date is not recorded, i.e the entityManager.persist doesn't take effect.

I also tryed an entityManager.flush(); after entityManager.persist(userLogin);  but it raises an exception

18:45:39,218 ERROR [[/mdrtb-moldova]] Session event listener threw exception
  | javax.el.ELException: javax.persistence.TransactionRequiredException: no transaction is in progress
  | 	at com.sun.el.parser.AstValue.invoke(AstValue.java:155)
  | 	at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:283)
  | 	at org.jboss.seam.util.UnifiedELMethodBinding.invoke(UnifiedELMethodBinding.java:36)
  | 	at org.jboss.seam.core.Expressions$2.invoke(Expressions.java:106)
  | 	at org.jboss.seam.core.Events.raiseEvent(Events.java:63)
  | 	at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:214)
  | 	at org.jboss.seam.contexts.Lifecycle.endSession(Lifecycle.java:287)
  | 	at org.jboss.seam.servlet.SeamListener.sessionDestroyed(SeamListener.java:45)
  | 	at org.apache.catalina.session.StandardSession.expire(StandardSession.java:687)
  | 	at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:579)
  | 	at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:678)
  | 	at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:663)
  | 	at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1284)
  | 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1569)
  | 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
  | 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1578)
  | 	at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1558)
  | 	at java.lang.Thread.run(Unknown Source)
  | Caused by: javax.persistence.TransactionRequiredException: no transaction is in progress
  | 	at org.hibernate.ejb.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:293)
  | 	at org.jboss.seam.persistence.EntityManagerProxy.flush(EntityManagerProxy.java:81)
  | 	at com.rmemoria.mdrtb.seam.AuthenticatorBean.logout(AuthenticatorBean.java:75)
  | 	at com.rmemoria.mdrtb.seam.AuthenticatorBean$$FastClassByCGLIB$$99838e3b.invoke(<generated>)
  | 	at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:149)
  | 	at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:45)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:57)
  | 	at org.jboss.seam.interceptors.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:34)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  | 	at org.jboss.seam.interceptors.TransactionInterceptor$1.work(TransactionInterceptor.java:32)
  | 	at org.jboss.seam.util.Work.workInTransaction(Work.java:37)
  | 	at org.jboss.seam.interceptors.TransactionInterceptor.aroundInvoke(TransactionInterceptor.java:27)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  | 	at org.jboss.seam.interceptors.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:47)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  | 	at org.jboss.seam.interceptors.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:27)
  | 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:69)
  | 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:103)
  | 	at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:154)
  | 	at org.jboss.seam.intercept.JavaBeanInterceptor.intercept(JavaBeanInterceptor.java:89)
  | 	at com.rmemoria.mdrtb.seam.AuthenticatorBean$$EnhancerByCGLIB$$52b6f1c9.logout(<generated>)
  | 	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 com.sun.el.parser.AstValue.invoke(AstValue.java:151)
  | 	... 17 more

I have no idea how to work around that. Any tip?

Ricardo


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