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https://issues.apache.org/jira/browse/QPIDJMS-239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15755631#comment-15755631
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Robbie Gemmell commented on QPIDJMS-239:
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I had a look at this and couldn't spot how it would happen or reproduce it with
a variant of the test I made to isolate the consumer, either with the original
counts or while massively increasing the number of messages and recovers used.
Could you capture a failing log with the the clients protocol trace logging
enabled, in case it can add something to the picture? Last bit on the page from
http://qpid.apache.org/releases/qpid-jms-0.11.1/docs/index.html#logging. No
rush as I'm actually going to start my holiday now :)
> 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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