We solved the problem by upgrading the server to 5.4.2. Not running combination: Solaris 10 Sparc JDK 1.6.0_24 ActiveMQ 5.2.0
Running combination: Solaris 10 Sparc JDK 1.6.0_24 ActiveMQ 5.4.2 No more hickups in the last 2 days. *Knock on wood* -- View this message in context: http://activemq.2283324.n4.nabble.com/Messages-stuck-in-queue-tp3244342p3494993.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.