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From "Robbie Gemmell (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-3794) Test StatisticsCounterTest.testPeakOutOfOrder fails sporadically on test profile java-mms-spawn.0-10
Date Sat, 04 Feb 2012 15:31:53 GMT

    [ https://issues.apache.org/jira/browse/QPID-3794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200467#comment-13200467
] 

Robbie Gemmell commented on QPID-3794:
--------------------------------------

I have applied the patch, with a small update to ensure it doesnt result in negative values
being used which will simply lead to a new failure mode. The patch looks like it should help,
but it clearly wont be able to entirely fix the underlying issue leading to these sporadic
failures; the tests highlights that they are pretty ugly and slightly indeterminate given
their complete reliance on Thread.sleep() functionlity, so I have raised QPID-3811 to track
future effort to make them more determinate (and faster!).
                
> 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: Robbie Gemmell
>         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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