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From "Timothy Bish (JIRA)" <>
Subject [jira] Commented: (AMQCPP-315) Advisory messages do not work with multiple listeners
Date Tue, 31 Aug 2010 15:53:41 GMT


Timothy Bish commented on AMQCPP-315:

You might want to take a look at the test-integration folder in the ActiveMQ-CPP folder and
see if you can create an integration test that reproduces this issue, having a platform independent
test that we can incorporate into the test suite might help to find the issue, and would ensure
that the problem doesn't easily get reintroduced at a later time.

> Advisory messages do not work with multiple listeners
> -----------------------------------------------------
>                 Key: AMQCPP-315
>                 URL:
>             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,,
> 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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