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From "Robbie Gemmell (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-3855) [Java broker] the activeConsumerCount for a queue can be incorrect for certain types of subscriptions
Date Sun, 19 Feb 2012 17:38:36 GMT
[Java broker] the activeConsumerCount for a queue can be incorrect for certain types of subscriptions
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                 Key: QPID-3855
                 URL: https://issues.apache.org/jira/browse/QPID-3855
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
    Affects Versions: 0.14, 0.13, 0.12, 0.11, 0.10, 0.9, 0.8, 0.7, 0.6
            Reporter: Robbie Gemmell
            Assignee: Robbie Gemmell
             Fix For: 0.15


activeConsumerCount on a queue is incorrect for certain types of subscriptions. When registering
a new subscription on the queue, the activeConsumerCount is incremented. However, some subscriptions
are not actually active when they are registered, and only become so later. The queue is ntoifed
of this state change as it is a stateChangeListener for registered subscriptions, meaning
the activeConsumerCount is incremented again and as a result the count shown can be innacurate.
When registering a new subscription the count should only be incremented if it is already
active.

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