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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 Tue, 31 Aug 2010 15:40:41 GMT

    [ https://issues.apache.org/activemq/browse/AMQCPP-315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61558#action_61558
] 

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

You are welcome to try, however I don't think there's any real difference between trunk and
the fixes branch in that area.  

Need to determine what the IdGenerator is giving you and why, if you can add some traces statements
into the code for IdGenerator.cpp and the InetAddress methods it calls that might be helpful
for me to see what is getting created in there.  I don't ever see any exceptions from the
APR code in these areas on my machine so I can't seem to replicate the issue.

Will have some more time to investigate this next week.

> 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: activemq.log, AdvisoryMessageListener2.zip, 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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