1 Reply Latest reply on Sep 17, 2007 8:56 PM by Norman Richards

    Hibernate session with entityManager.getDelegate() is not wo

    Anil Narla Newbie

      I could not find a solution in the forum for this, sorry if this is a redundant question. I just upgraded my existing app to use Seam 2.0 Beta, after the upgrade I am having problem getting the hibernate Session using entitymanger.getDelegate(). This is working perfectly in Seam 1.2.1.

      My Components.xml

      <persistence:managed-persistence-context name="entityManager" auto-create="true" persistence-unit-jndi-name="java:/myAppEntityManagerFactory"/>
      
      <factory name="session" scope="STATELESS" auto-create="true" value="#{entityManager.delegate}"/>


      @In
      private EntityManager entityManager; //Seam Managed Persistence context, declared in components.xml
      
      @In
      private Session session; //factory declared in components.xml
      
      DetachedCriteria dc = DetachedCriteria.forClass(getEntityBeanType());
      for (Criterion c : criterion) {
       dc.add(c);
      }
      Criteria crit = dc.getExecutableCriteria(session);
      return crit.list();


      I am getting the follwoing exception:

      16:27:35,000 ERROR [STDERR] Caused by: java.lang.ClassCastException: org.jboss.seam.persistence.FullTextHibernateSessionProxy
      16:27:35,000 ERROR [STDERR] at org.hibernate.criterion.DetachedCriteria.getExecutableCriteria(DetachedCriteria.java:52)
      16:27:35,000 ERROR [STDERR] at com.myapp.common.dao.IGenericDAOImpl.findByCriteria(IGenericDAOImpl.java:140)
      16:27:35,000 ERROR [STDERR] at com.myapp.common.dao.IGenericDAOImpl.findByCriteria(IGenericDAOImpl.java:127)
      16:27:35,000 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      16:27:35,000 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      16:27:35,000 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      16:27:35,000 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:585)
      16:27:35,000 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
      16:27:35,000 ERROR [STDERR] at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
      16:27:35,000 ERROR [STDERR] at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:53)
      16:27:35,000 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      16:27:35,000 ERROR [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      16:27:35,000 ERROR [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      16:27:35,000 ERROR [STDERR] at java.lang.reflect.Method.invoke(Method.java:585)
      16:27:35,000 ERROR [STDERR] at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
      16:27:35,000 ERROR [STDERR] at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
      16:27:35,000 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
      16:27:35,000 ERROR [STDERR] at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
      16:27:35,000 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
      16:27:35,000 ERROR [STDERR] at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
      16:27:35,000 ERROR [STDERR] at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
      16:27:35,000 ERROR [STDERR] at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
      16:27:35,000 ERROR [STDERR] ... 186 more


      As mentioned earlier, this is working without any issues in Seam 1.2.1 GA. It is not working in Seam 2.0 Beta. Am I missing something here, do I need to do any special declarations in components.xml for the session. I appreciate if somebody can help me on this.

      BTW: I tried something like this as well, but same result.

      //Session session = (Session) entityManager.getDelegate();