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From "Timothy Bish (Commented) (JIRA)" <>
Subject [jira] [Commented] (AMQ-3710) Activemq broker hangs
Date Fri, 10 Feb 2012 22:28:59 GMT


Timothy Bish commented on AMQ-3710:

First suggestion is to upgrade to the latest Apache release v5.5.1 or try a SNAPSHOT build
of 5.6 as there have been numerous bug fixes.  Otherwise we'd need more to go on like your
broker configuration and logs from the broker with debug tracing on.  
> Activemq broker hangs
> ---------------------
>                 Key: AMQ-3710
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.2
>         Environment: cent os linux version 5, 64 bit os, java 1.6 update 21
>            Reporter: Krishnadasan T S
>            Priority: Blocker
> I am using activeMQ 5.4.2 as separate process in my production. more than 2000 topics
and 600 clients are connecting to broker. Heap size (Old generation) area is taking nearly
1 gb memory. Total memory allocated to jvm is 2.5 gb.
>   Activemq is getting hanged 2 or 3 time in a day. by monitoring in JMX console What
we noticed is that at that instance of time nearly 100 new threads are created and all these
threads are NIO related threads. Once It happened at the time of GC(we gave a perform gc from
jmx for testing). It also happened at normal time also.
> can you give any suggestion about what can be the issue.

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