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From "Timur Evdokimov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (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 20:35:29 GMT

     [ https://issues.apache.org/jira/browse/AMQ-3460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Timur Evdokimov updated AMQ-3460:
---------------------------------

    Attachment: acmq02.png

The same instance after few hours.

> 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
>         Attachments: acmq01.png, acmq02.png
>
>
> 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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