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https://issues.apache.org/jira/browse/QPID-7115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15171218#comment-15171218
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Keith Wall edited comment on QPID-7115 at 2/28/16 10:39 PM:
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I think the logs point to a client problem rather than a broker. The logs show
that the message was received by the session just before the consumer was
closed, but no message release was ever sent. I think you can infer from the
logging that the message was neither of the session's _queue or the consumer's
queue when the consumer closed was process. This makes me think that the
message was actually in flight through the dispatcher at the moment. However, a
race here should be prevented by the message delivery lock. I cannot
currently explain how this problem occurred.
I have been trying to reproduce on VM with a few CPUs assigned for more than 1
day without success.
was (Author: k-wall):
I think the logs point to a client problem rather than a broker. The logs show
that the message was received by the session just before the consumer was
closed, but no message release was ever sent. I think you can infer from the
logging that the message was neither of the session's _queue or the consumer's
queue when the consumer closed was process. This makes me think that the
message was actually in flight through the dispatcher at the moment. However, a
race here should be prevented by the message delivery lock. I cannot
currently explain how this problem occurred.
I have been trying to reproduce on VM with a server CPU assigned for more than
1 day without success.
> Closing a consumer may not release all messages
> -----------------------------------------------
>
> Key: QPID-7115
> URL: https://issues.apache.org/jira/browse/QPID-7115
> Project: Qpid
> Issue Type: Bug
> Components: Java Client
> Affects Versions: qpid-java-6.1
> Reporter: Keith Wall
> Attachments:
> TEST-org.apache.qpid.test.unit.close.MessageConsumerCloseTest.testPrefetchedMessagesReleasedOnConsumerClose.txt
>
>
> A failure of
> MessageConsumerCloseTest#testPrefetchedMessagesReleasedOnConsumerClose showed
> that on 0-10 MMS profile, closing a consumer does not always release all
> messages that have been sent to that session/consumer. The message remained
> stuck in the client, and would have remained there until the client
> disconnected or closed its session.
> See the attached log. This occurred on Apache Jenkins 2016-02-26.
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