Hello,

I have a simple MDB which works as a JMSReceiver. The MDB subscribes to a 
JMS-Topic. Everything works fine. If a new message is published to the Topic, 
the MDBs onMessage Method is called. 

I want, that the bean can receive the same message over again, If an error 
inside the bean is raised. Normally I can deal with "jmsmessage.acknowledge();" 
Method to notify, that the reciever handled the message correctly. If an error 
is raised on the receivers side, no acknowledge() is called. Normally in this 
case I expected, the message would send over again. But not with a MDB. It does 
not matter if I call acknowledge or not. The MDB creates the JMSSession where I 
can configure, that the session runs in "CLIENT_ACKNOWLEDGE" mode. 

What musst I do to get this behavior?

I want, that the messageDrivenBean can say, that everything is correct and the 
message can be deleted from the topic if all subscibers have it received. But 
if the Bean raised an error, it should be possible for the bean, to receive the 
same message over again after a while. 

Maybe it is only configuration stuff. But I can't find infos on activeMQ or 
openEJB Homepage.

Can someone help me?
thanks!

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