Philip Harvey created QPID-4014:
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Summary: 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
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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