[jboss-user] [EJB 3.0] - Re: reentrant annotation?

ALRubinger do-not-reply at jboss.com
Tue Nov 28 20:33:33 EST 2006

If I remember correctly...

Entity Beans could be marked as "reentrant".  Session Beans did not require a "reentrant" marking because if Stateless, the container would return another separate instance, and Stateful was prohibited (as it is now)...

EJB 2.1 Spec, Final Draft, 7.12.10:

anonymous wrote : The container must ensure that only one thread can be executing an instance at any time. If a client
  | request arrives for an instance while the instance is executing another request, the container may throw
  | the java.rmi.RemoteException to the second request if the client is a remote client, or the
  | javax.ejb.EJBException if the client is a local client.[9]
  | Note that a session object is intended to support only a single client. Therefore, it would be an
  | application error if two clients attempted to invoke the same session object.
  | One implication of this rule is that an application cannot make loopback calls to a session bean instance.


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