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