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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPIDJMS-139) Message flow to JMS consumer consumer unexpected ceases
Date Tue, 17 Nov 2015 17:23:11 GMT
Keith Wall created QPIDJMS-139:
----------------------------------

             Summary: Message flow to JMS consumer consumer unexpected ceases
                 Key: QPIDJMS-139
                 URL: https://issues.apache.org/jira/browse/QPIDJMS-139
             Project: Qpid JMS
          Issue Type: Bug
          Components: qpid-jms-client
            Reporter: Keith Wall
             Fix For: 0.7.0, 0.6.0


Testing the Qpid JMS Client together with the Java Broker + Perftest framework reveals a problem.
Message flow to one or more consumers sometimes ceases unexpectedly.

In the failure case, the Java Broker reports that the consumer has been is suspended (SUB-1003
messages) for an extended period, even though there are messages remaining on the queue. 
Investigation of a heap dump reveals that the last flow frame to be received from the client:

* deliveryCount value which matched the deliveries sent by the Broker.
* linkCredit zero
* drain true.

The Broker thus believes no more credit remains and suspends the consumer.

0.6.0 is affected.  0.7.0-SNAPSHOT is too.  Rolling back to client 0.5.0 resolves the problem,
as does setting {{jms.receiveLocalOnly}} in the connection url with 0.6.0 or the 0.7.0 SNAPSHOT.


There are more details on regard the reproduction on QPID-6863.   Problem would not manifest
with debug logging turned on.






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