Allow deleting the first message on a queue through the JMX Management Console 
when connected to older brokers 
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                 Key: QPID-2193
                 URL: https://issues.apache.org/jira/browse/QPID-2193
             Project: Qpid
          Issue Type: New Feature
          Components: Java Management : JMX Console
    Affects Versions: 0.6
            Reporter: Robbie Gemmell
            Assignee: Robbie Gemmell
            Priority: Minor
             Fix For: 0.6


Java brokers previous to 0.6 do not support deletion of arbitrary messages, 
only the 'first message on the queue' at any given time. This was not exposed 
in the updated console due for release with 0.6 (where the broker now does 
support deletion of arbitrary messages). This decision was made because by its 
very nature the method cannot guarantee which message would be deleted when it 
is executed, as any queue activity could alter which message is at the head of 
the queue. However, users may have come to expect this method to be present, 
and so it should be exposed for older brokers that lack the ability to exactly 
specify which messages should be deleted.

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