Sorry guys for wasting your time. I found the error. I had the noLocal flag enabled on the consumer and didn't know that it's connection specific. That's the reason why both testclients which share the same connection can't receive a message. I openend up another JVM and everything worked fine.
Regards, Markus -- View this message in context: http://www.nabble.com/Messages-send-via-JMX-are-deliverd%2C-but-the-other-ones-not...-tf2184583.html#a6043148 Sent from the ActiveMQ - User forum at Nabble.com.