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From Pete Redhead <>
Subject Re: Confused by ActiveMQ 'Discarding message' on Topics
Date Fri, 11 Nov 2011 08:52:41 GMT
Hi Dejan,

Thanks for your reply. I made the change you suggested, however after 36
hours the server stopped routing messages again. This time the log contained
many messages relating to increasing memory usage with

2011-11-10 20:01:51,134 | DEBUG | Main:memory: usage change from: 99% of
available memory, to: 100% of available memory |
org.apache.activemq.usage.Usage | ActiveMQ Transport:

at the time the server stopped working.

To me, this would suggest that there is an underlying problem with messages
becoming stuck somewhere on each topic. The pending message limit strategy
on the topics was stopping the number of messages getting too high and
causing the server to run out of memory.

Any ideas what to look at / change next?

Many thanks,

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