Hi All,This also leads to the same problem: the execution of the event must be done in the same thread that ActiveMQ uses, otherwise I can't throw the exception to the listener. When the message arrives, I just put the message on a thread pool. That is the approach to implement multi thread processing. So If I want to rise an exception to the NMS stack, I can't use multithread.. IE: [*ActiveMQ Task*] INFO EventReceiver - Message handler received a message in thread: ActiveMQ Task. As you can see the listener gets executed in "ActiveMQ Task" thread, in the moment I put the message in the thread pool and I raise an exception, my code must handle it, I don't have any way to say NMS "Hey this message failed!". Is there any way I can rollback the message from another thread? Once again, Thanks Rgds JL
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