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From "Timur Evdokimov (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3460) Messages get stuck in the queue for some client sessions, "Dispatched Queue" grows but "Dequeues" doesn't move
Date Thu, 18 Aug 2011 15:24:27 GMT
Messages get stuck in the queue for some client sessions, "Dispatched Queue" grows but "Dequeues"
doesn't move
--------------------------------------------------------------------------------------------------------------

                 Key: AMQ-3460
                 URL: https://issues.apache.org/jira/browse/AMQ-3460
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.3.1
         Environment: java version "1.5.0_15"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_15-b04)
Java HotSpot(TM) 64-Bit Server VM (build 1.5.0_15-b04, mixed mode)
            Reporter: Timur Evdokimov
            Priority: Critical


We experience the following problem.

There's 1 sender thread and 20 listener threads operating on the same queue.
No other queues are involved.

Message traffic goes generally OK via the queue, however Number of pending messages goes up
one by one.

Looking at the active customers list, the following appears (see attached screenshot).
For all sessions but two, the messages are dispatched properly.
For these two affected sessions, the "Dispatched Queue" value gots stuck at certain moment
and doesn't deliver anymore.

Eventually, more sessions got affected, and maybe after some hours, the stuck messages got
delivered.

What we tried - adding useCache="false" into <policyEntry queue=">" ... > tag. Didn't
have any effect.



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