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Posted to dev@qpid.apache.org by "Philip Harvey (JIRA)" <ji...@apache.org> on 2012/05/22 17:40:41 UTC
[jira] [Commented] (QPID-4014) System test
ConflationQueueTest.testParallelProductionAndConsumption failed
[ https://issues.apache.org/jira/browse/QPID-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13281037#comment-13281037 ]
Philip Harvey commented on QPID-4014:
-------------------------------------
Here is a summary of the events in the attached log file
{noformat}
line event
--------------------------------------------------------
10474 sender2 sends 399-2 (timestamp 1337682147990, id dc2aaab4-9cd7-3d56-8e27-a1687458d2ed)
10504 sender2 sends SHUTDOWN-2 (timestamp 1337682147990, id be63fcc4-6266-3189-b72b-ddff7bebb071)
10906 sender1 sends 399-1 (timestamp 1337682147999, id 86d7a88c-160c-3e09-b297-43ee7e3aca3b)
10927 sender1 sends SHUTDOWN-1 (same timstamp id cd4ff12b-5591-3e3d-ae67-4ff0a27bfe78)
30815 broker receives 399-2
38040 broker receives SHUTDOWN-2
38249 broker sends SHUTDOWN-2
38269 client receives SHUTDOWN-2
39349 broker receives 399-1
39398 broker receives SHUTDOWN-1
39529 broker sends SHUTDOWN-1 from thread "pool-3-thread-1141" *oops we haven't sent 399-1 yet*
39541 client receives SHUTDOWN-1
39582 broker sends 399-1 from thread "pool-3-thread-1139"
tearDown
39601 client receives 399-1 *oops*
{noformat}
> System test ConflationQueueTest.testParallelProductionAndConsumption failed
> ---------------------------------------------------------------------------
>
> Key: QPID-4014
> URL: https://issues.apache.org/jira/browse/QPID-4014
> Project: Qpid
> Issue Type: Bug
> Components: Java Tests
> Reporter: Philip Harvey
> Assignee: Keith Wall
> Priority: Minor
> Fix For: 0.17
>
> Attachments: TEST-org.apache.qpid.server.queue.ConflationQueueTest.testParallelProductionAndConsumption.out.gz
>
>
> Unit test ConflationQueueTest.testParallelProductionAndConsumption has failed on Jenkins:
> https://builds.apache.org/view/M-R/view/Qpid/job/Qpid-Java-Java-BDB-TestMatrix/jdk=JDK%201.6%20%28latest%29,label=Ubuntu,profile=java-bdb.0-10/lastCompletedBuild/testReport/org.apache.qpid.server.queue/ConflationQueueTest/testParallelProductionAndConsumption/
> This test has previously run successfully.
> On first glance, the test doesn't appear to have any inherent race conditions, therefore it is possible that this represents a genuine problem.
> In this test, two producers each each 400 messages with alternating conflation key values, followed by special "shutdown" messages. A single consumer remembers the latest message for each conflation key value.
> Each producer's last few messages should be:
> * Message 397 (conflation key '1')
> * Message 398 (conflation key '0')
> * Message 399 (conflation key '1')
> * Shutdown message
> The assertion in question checks the last message received for each conflation key value. In this case, the last message with key '1' is message 397, not the expected message 399.
> Examination of the test output (attached) indicates that the consumer received message 399 once (it must have been conflated), and that - surprisingly - it arrived *after* the two shutdown messages.
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