Is using an entityManager during postInitialization bad form?

[jgilbert]

I am trying to do some database initialization during postInitialization but I am getting a 'No Transaction' exception. There is nothing useful in the log.

Am I missing something, or should I avoid doing this?

@Name("myInit")
@Scope(ScopeType.APPLICATION)
public class MyInit {

     @In
     private EntityManager entityManager;

     @Observer("org.jboss.seam.postInitialization")
     @Transactional
     public void init() throws Exception {
          MyEntity e = new MyEntity();
          ...
          entityManager.merge(e);
     }
}

[zaya]

Normally your transaction is started by SeamPhaseListener. PostInitialization is out of the scope of SeamPhaseListener, so you have to start transaction manually.

try surround your code with

Transaction.instance().begin();

and

Transaction.instance().commit();

[pmuir]

Yenan Zhou wrote on May 10, 2008 02:56 AM:


Normally your transaction is started by SeamPhaseListener. PostInitialization is out of the scope of SeamPhaseListener, so you have to start transaction manually.

No you don't, the transaction interceptor should start the transaction for you. This should work as you have posted IIRC.