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From "Gordon Sim (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Created: (QPID-1660) Consumer with no credit can cause messages not to be seen by other consumers on that queue
Date Wed, 11 Feb 2009 13:50:59 GMT
Consumer with no credit can cause messages not to be seen by other consumers on that queue
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                 Key: QPID-1660
                 URL: https://issues.apache.org/jira/browse/QPID-1660
             Project: Qpid
          Issue Type: Bug
          Components: C++ Broker
    Affects Versions: M4
            Reporter: Gordon Sim
            Assignee: Gordon Sim
             Fix For: M5


Create a queue and publish one message to it. Then start a consumer (pre-acquiring subscription),
with credit for one message. When the message is delivered, sleep for a short while and start
a new consumer on the same queue. Then have the first consumer release the message.

The released message is now available for redelivery. Unfortunately the first consumer is
picked as the consumer to be notified of this. That consumers connection then attempts to
deliver the message but finds it has insufficient credit. The second consumer however is not
notified and the broker does not attempt to dispatch the message.

(This is a bug introduced by the change in r721685  which was intended to fix QPID-1280).

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