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https://issues.apache.org/jira/browse/QPID-6957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keith Wall resolved QPID-6957.
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Resolution: Fixed
Change seems reasonable to me.
> [Java Tests] LastValueQueueTest sporadically fails on cpp profile
> -----------------------------------------------------------------
>
> Key: QPID-6957
> URL: https://issues.apache.org/jira/browse/QPID-6957
> Project: Qpid
> Issue Type: Bug
> Components: Java Tests
> Reporter: Lorenz Quack
>
> On the cpp profile the LastValueQueueTest sporadically fails because the
> semantics of LVQs for messages without a defined key differ from the Java
> broker's.
> The Java broker
> [specifies|https://qpid.apache.org/releases/qpid-0.32/java-broker/book/Java-Broker-Management-Managing-Queues.html#Java-Broker-Management-Managing-Queues-Types-LVQ]
> that: {quote}Messages sent to an LVQ without the specified property will be
> delivered as normal and will never be "replaced".{quote}
> The C++ broker does not document its behaviour in this case but seems to
> treat messages that do not set a key as having the same key.
> Therefore, the shutdown messages in
> o.a.q.s.q.LastValueQueueTest#testParallelProductionAndConsumption replace
> each other and the second (or rather the first) message is never received by
> the consumer leading to a NPE:
> {noformat}
> testParallelProductionAndConsumption(org.apache.qpid.server.queue.LastValueQueueTest)
> Time elapsed: 10.571 sec <<< FAILURE!
> junit.framework.AssertionFailedError: null
> at junit.framework.Assert.fail(Assert.java:55)
> at junit.framework.Assert.assertTrue(Assert.java:22)
> at junit.framework.Assert.assertNotNull(Assert.java:256)
> at junit.framework.Assert.assertNotNull(Assert.java:248)
> at junit.framework.TestCase.assertNotNull(TestCase.java:417)
> at
> org.apache.qpid.server.queue.LastValueQueueTest.receiveMessages(LastValueQueueTest.java:442)
> at
> org.apache.qpid.server.queue.LastValueQueueTest.testParallelProductionAndConsumption(LastValueQueueTest.java:405)
> {noformat}
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