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https://issues.apache.org/jira/browse/QPID-3794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Rudyy updated QPID-3794:
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Attachment: 0001-QPID-3794-fixes-ocasional-test-StatisticsCounterTest.patch
Attached a patch with a potential problem fix.
I could not reproduce the issue locally.
I believe that the only reason why this test failed is that the sequential
invocations of Thread.sleep() caused current thread to sleep for more time than
it was expected.
Thread.sleep(1500);
Thread.sleep(1000);
The total expected sleeping interval is 2500 mls.
It seems that for failed test the thread slept for more than 3000+ mls in total
during first 2 sleep invocations and as result of it the counter peak value was
evaluated due to finishing the sample period which is 1 second.
It seems that thread overslept for more than 500mls which is quite unexpected
value. Perhaps, extra GC activity caused it. I am not sure.
> Test StatisticsCounterTest.testPeakOutOfOrder fails sporadically on test
> profile java-mms-spawn.0-10
> -----------------------------------------------------------------------------------------------------
>
> Key: QPID-3794
> URL: https://issues.apache.org/jira/browse/QPID-3794
> Project: Qpid
> Issue Type: Bug
> Components: Java Tests
> Affects Versions: 0.15
> Reporter: Alex Rudyy
> Assignee: Alex Rudyy
> Attachments:
> 0001-QPID-3794-fixes-ocasional-test-StatisticsCounterTest.patch
>
>
> Test StatisticsCounterTest.testPeakOutOfOrder fails sporadically on test
> profile java-mms-spawn.0-10
> junit.framework.AssertionFailedError: expected:<0.0> but was:<3000.0>
> at
> org.apache.qpid.server.stats.StatisticsCounterTest.testPeakOutOfOrder(StatisticsCounterTest.java:110)
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