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From RuralHunter <>
Subject Message stuck in queue
Date Thu, 22 Dec 2016 01:42:19 GMT
ActiveMQ 5.13.4 with kahadb
There are some stuck messages left in one of my queues. The messages are
produced several days ago and it seems they will never be consumed. I can
see from the web console they are in the queue. Though new messages are
produced and consumed in the same queue without problem. Those stuck
messages seems are dead in the queue. The old messages also prevent the
storage GC. I added some debug output in the GC process and it confirms the
stuck message prevents the GC. This does not happen frequently but I have
seen this quite a few times. The stuck messages will be cleared if I restart
ActiveMQ. How can I investigate this problem?

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