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https://issues.apache.org/activemq/browse/AMQCPP-150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timothy Bish reassigned AMQCPP-150:
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Assignee: Timothy Bish (was: Nathan Mittler)
> ActiveMQ-CPP consumer client hanging after receiving 32767 messages.
> --------------------------------------------------------------------
>
> Key: AMQCPP-150
> URL: https://issues.apache.org/activemq/browse/AMQCPP-150
> Project: ActiveMQ C++ Client
> Issue Type: Bug
> Affects Versions: 2.1
> Environment: Ubuntu 6.10
> Reporter: Omar Bashir
> Assignee: Timothy Bish
> Attachments: CppQueueReceiver.cpp, CppQueueTransmitterOrig.cpp
>
>
> I was stress-testing an ActiveMQ-CPP consumer client by transmitting to it a
> large burst of messages (100 per second). I realised that the client hangs
> after receiving 32767 messages and the broker has a log message
> INFO PrefetchSubscription - Could not correlate acknowledgment with
> dispatched message: MessageAck ...
> I changed the size of the message from 40 bytes to over 600 bytes but it
> still behaved the same way. Behaviour remained the same when I reduced
> message frequency to one per second. I am using ActiveMQ-CPP-2.1 and ActiveMQ
> broker 4.1.1.
> I replaced the C++ consumer with the Java consumer and the problem
> disappeared. Then I ran both the Java and C++ consumers concurrently both
> listening to the same queue, the C++ client froze after 16 messages whereas
> the Java client continued to receive and process messages.
> Now, I have the C++ producer client that disconnects after sending 32000
> messages, reconnects and then starts transmitting again. The problem
> disappears with this configuration. Both Java and C++ clients have now
> received in excess of 230k messages and are still running perfectly well.
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