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From "Christopher Mihaly (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-845) Sending messages to a topic with an inactive durable subscription will hang producers
Date Tue, 25 Jul 2006 16:39:23 GMT
Sending messages to a topic with an inactive durable subscription will hang producers
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                 Key: AMQ-845
                 URL: https://issues.apache.org/activemq/browse/AMQ-845
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 4.0.1
         Environment: Linux Red Hat Enterprise 4
java jdk 1.4.2-b28  (or 1.5.0_06-b05)

            Reporter: Christopher Mihaly
            Priority: Blocker
         Attachments: testcase.zip

If you have a durable subsciber that is not on-line, and you have producers sending message,
eventually the server will hang on that topic.

I have attached a zip file with a junit test case and my activemq configuration.  The test
case has two tests, one that creates a durable subscription, that will succeed, and a second
that starts publishing up to 100000 events, which will hang.  I don't really know how to interrupt
the all, so the test case never finishes.  Anyway, it does show the problem and is 100% repeatable
on my system.

The config file is set to use a SQLServer database, but the stock journal or a derby persistence
manager will do the same thing.  I just switched to mssql server because I can then see what
is going on in the database.  And records are being added to the database all the way up to
when the server hangs. I also doubled the memory manager limit and moved the jmx rmi port
to 1080 since I have another server running at 1099.



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