If all consumers of a queue use selectors then the broker will leak memory
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Key: QPID-623
URL: https://issues.apache.org/jira/browse/QPID-623
Project: Qpid
Issue Type: Bug
Components: Java Broker
Affects Versions: M2
Reporter: Martin Ritchie
Assignee: Martin Ritchie
Fix For: M2
Because the main _messages queue still has a reference to the msgs incase a non
selector consumer joins the AMQMessage object cannot be collected by GC. There
is a log statement saying queue needs cleaning up.
A simple soution which will not necessarily solve the problem 100% is to purge
the main queue from the head stopping when a non taken msgs is reached. Easy
change to make but does allow taken msgs to back up behind. Problem is to
process/purge those msgs will be harder as more locking will be required. This
is somthing the reaper thread can do when implemented for full TTL (QPID-499).
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