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Date: Wed, 1 Sep 2010 11:55:41 -0400 (EDT)
From: "Timothy Bish (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
Subject: [jira] Commented: (AMQCPP-315) Advisory messages do not work with
 multiple listeners
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    [ https://issues.apache.org/activemq/browse/AMQCPP-315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61593#action_61593 ] 

Timothy Bish commented on AMQCPP-315:
-------------------------------------

Added a fix in trunk for the issue and created a workaround in 3.2.x that should address the problem and not break ABI.

Please test it out and let me know if the problem is solved.

> Advisory messages do not work with multiple listeners
> -----------------------------------------------------
>
>                 Key: AMQCPP-315
>                 URL: https://issues.apache.org/activemq/browse/AMQCPP-315
>             Project: ActiveMQ C++ Client
>          Issue Type: Bug
>    Affects Versions: 3.2.2
>         Environment: Windows, ActiveMQ 5.3.1
>            Reporter: Helen Huang
>            Assignee: Timothy Bish
>             Fix For: 3.2.3, 3.3.0
>
>         Attachments: activemq.log, AdvisoryMessageListener2.zip, IdGenerator.cpp, IdGenerator.h, vs2005-build.zip
>
>
> We found that the advisory messages do not work as expected when there are multiple consumers listening to the same advisory topics.
> We have three applications, AdvisoryMessageListener, MessageListener, and MessageSender.
> AdvisoryMessageListener listens to the following two topics:
> ActiveMQ.Advisory.Consumer.Topic.cpp.itemLookup
> ActiveMQ.Advisory.Producer.Topic.cpp.itemLookup
> MessageListener listens to topic: cpp.itemLookup
> MessageSender sends messages to topic: cpp.itemLookup
> If there is only one instance of AdvisoryMessageListener , then everything work fine. We can get the advisory messages when we start/shut down MessageListener or MessageSender . However, when we start a second instance of AdvisoryMessageListener , it seems to knock out the existing connection of the first  AdvisoryMessageListener. The first instance can no longer receive any advisory messages after that. 
> This problem could be related to the problem reported in jira item "AMQCPP-314 Starting app with Com using cms destroys connection of other app. New problem with recent lib version". However in our problem,  we do not have any COM layers.

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