retained 0-10 ImplicitAcceptDispositionChangeListener objects can lead to 
connection closure timeout and broker OOM
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                 Key: QPID-2673
                 URL: https://issues.apache.org/jira/browse/QPID-2673
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
    Affects Versions: 0.6
            Reporter: Robbie Gemmell
            Priority: Critical
             Fix For: 0.7


When operating in NO_ACK mode (acquire mode pre-acquired, accept-mode none) 
with a 0-10 client, the retained ImplicitAcceptDispositionChangeListener 
objects can lead to connection closure timeout as release() is called on the 
ImplicitAcceptDispositionChangeListener's and potentially millions of log 
messages are generated. Additionally, the retention of these objects for each 
client for each message can lead to a huge memory footprint and result in OOM 
Exceptions.

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