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From "Timothy Bish (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQCPP-315) Advisory messages do not work with multiple listeners
Date Mon, 30 Aug 2010 15:03:41 GMT

    [ https://issues.apache.org/activemq/browse/AMQCPP-315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61519#action_61519
] 

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

Can you comment on what version of Windows you are using, and architecture.  Have you checked
to see if the ID returned from the IdGenerator is empty as the previous issue AMQCPP-314 
indicated.  It also might be a good idea to try the latest code from the 3.2.x fixes branch
in SVN to see if any of the fixes contained there resolve this.

> 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
>         Attachments: AdvisoryMessageListener.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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