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https://issues.apache.org/jira/browse/QPIDJMS-239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15751756#comment-15751756
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Keith Wall commented on QPIDJMS-239:
------------------------------------
I've attached two examples. The pattern I see can be summarised with a grep.
The point the unexpected message appears seems to vary.
{format}
grep 'delivery dispatcher'
TEST-org.apache.qpid.test.unit.ack.RecoverTest.testOrderingWithAsyncConsumer_0.20.0.txt
2016-12-15 15:58:48,531 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 0 and calling recover
2016-12-15 15:58:48,532 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 0 and calling recover
2016-12-15 15:58:48,533 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 0 and calling recover
2016-12-15 15:58:48,533 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 0 and calling recover
2016-12-15 15:58:48,534 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 0 and calling recover
2016-12-15 15:58:48,536 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Acknowledging message 0
2016-12-15 15:58:48,537 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 1 and calling recover
2016-12-15 15:58:48,540 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 1 and calling recover
2016-12-15 15:58:48,542 DEBUG [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.a.RecoverTest Ignoring message 1 and calling recover
# Qpid JMS Client delivers 7th message rather than redelivering the 1st
2016-12-15 15:58:48,546 ERROR [JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher]
o.a.q.t.u.InternalBrokerHolder Uncaught exception from thread JmsSession
[ID:f702629f-cc27-4366-87a7-55c52282b0cf:1:1] delivery dispatcher
junit.framework.AssertionFailedError: Received Message Out Of Order
expected:<1> but was:<7>
{format}
> Client ack session occasionally seen to redeliver recovered messages out of
> order
> ---------------------------------------------------------------------------------
>
> Key: QPIDJMS-239
> URL: https://issues.apache.org/jira/browse/QPIDJMS-239
> Project: Qpid JMS
> Issue Type: Bug
> Components: qpid-jms-client
> Affects Versions: 0.11.0, 0.20.0
> Reporter: Keith Wall
> Attachments:
> TEST-org.apache.qpid.test.unit.ack.RecoverTest.testOrderingWithAsyncConsumer.txt,
>
> TEST-org.apache.qpid.test.unit.ack.RecoverTest.testOrderingWithAsyncConsumer_0.20.0.txt
>
>
> Test org.apache.qpid.test.unit.ack.RecoverTest#testOrderingWithAsyncConsumer
> [1] fails occasional when run against the Java Broker. The test publishes a
> number of messages then uses an async message listener to consume them. For
> each message, the message listener recovers the session five times before
> finally acknowledging the message, then the cycle repeats. In failure case,
> I see the Qpid JMS Client delivery an unexpected message to the application
> after a sequence of expected.
> We have seen the failure on the Apache CI and I can reproduce the problem on
> my laptop (every 15-20 runs of the test).
> https://builds.apache.org/view/M-R/view/Qpid/job/Qpid-Java-Java-MMS-1.0/40/artifact/trunk/systests/target/surefire-reports/java-mms.1-0/TEST-org.apache.qpid.test.unit.ack.RecoverTest.testOrderingWithAsyncConsumer.txt
> I have reproduced locally against 0.20.0 too.
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