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Date: Thu, 31 Oct 2013 16:27:19 +0000 (UTC)
From: "Benjamin Truitt (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Message-ID: <JIRA.12675866.1382726378391.1550.1383236839910@arcas>
In-Reply-To: <JIRA.12675866.1382726378391@arcas>
References: <JIRA.12675866.1382726378391@arcas>
Subject: [jira] [Commented] (AMQ-4827) Set jms.queuePrefetch=1 Causes
 Messages To Be Stuck in Queue
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    [ https://issues.apache.org/jira/browse/AMQ-4827?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13810408#comment-13810408 ] 

Benjamin Truitt commented on AMQ-4827:
--------------------------------------

Awesome. Thanks for the fast response!  

In that case, we may want to convert this bug report to a request to improve the documentation at http://activemq.apache.org/what-is-the-prefetch-limit-for.html to include the information at http://java.dzone.com/articles/coming-activemq-59-new-way. 

Thanks again.
-Ben

> Set jms.queuePrefetch=1 Causes Messages To Be Stuck in Queue
> ------------------------------------------------------------
>
>                 Key: AMQ-4827
>                 URL: https://issues.apache.org/jira/browse/AMQ-4827
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.7.0, 5.8.0
>            Reporter: Yung Lai
>
> Configuration:
> connectionUri=tcp://localhost:61616?jms.prefetchPolicy.queuePrefetch=1&keepAlive=true
> activemq.conf is default with no changes
> Scenario:
> Sent 7 different messages to the same queue. With prefetch=1 about 1 or 2 messages would get stuck in the queue everytime. After a restart of activemq the messages that were stuck in queue would be processed.
> With cachingConsumers=false the messages would not get stuck.
> We need cachingConsumers for better performance so setting it to false is not an option for us.
> Here is a thread that is very similar to the issue.
> http://activemq.2283324.n4.nabble.com/Messages-stuck-in-queue-td3244342.html
> Thank you for your time and consideration.


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