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From Pierre-Luc Thibeault <>
Subject Unregistering MBean & High cpu
Date Thu, 18 Sep 2014 00:28:11 GMT
Hi all,

I was investigating a high cpu load issue (300%, Load average 12) with my servers and after
enabling the debug logging I started to see thousands of lines like the following in the logs
even on a dev environment with very few messages going through the system:

2014-09-17T17:09:27-07:00 activemq: severity=DEBUG datetime=2014-09-17 17:09:27,600 thread=ActiveMQ
NIO Worker 30119  Unregistering
MBean org.apache.activemq:type=Broker,,destinationType=Queue,,endpoint=Consumer,,

What is "Unregistering MBean" and why does it seems related to JMX ? JMX is enabled mostly
for debugging and monitoring, we have a tool that gets statistics every 15seconds.

I have the "Unregistering MBean" log only with a few clients and I think they all use Camel

Any ideas as to why this is happening?

ActiveMQ 5.9.1 + master/slave


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