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From "Aaron Kimball (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1506) Assertion failure in TestTaskTrackerMemoryManager
Date Thu, 18 Feb 2010 23:17:28 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron Kimball updated MAPREDUCE-1506:
-------------------------------------

    Attachment: TEST-org.apache.hadoop.mapred.TestTaskTrackerMemoryManager.txt

Attaching an example failed trace. Note that the particular test case which fails may vary,
but it's always the assert at line 281.

> Assertion failure in TestTaskTrackerMemoryManager
> -------------------------------------------------
>
>                 Key: MAPREDUCE-1506
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1506
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Aaron Kimball
>         Attachments: TEST-org.apache.hadoop.mapred.TestTaskTrackerMemoryManager.txt
>
>
> With asserts enabled, TestTaskTrackerMemoryManager sometimes fails. From what I've inspected,
it's because some tasks are marked as FAILED/TIPFAILED while others are marked SUCCEEDED.
> This can be reproduced by applying MAPREDUCE-1092 and then running {{ant clean test -Dtestcase=TestTaskTrackerMemoryManager}}

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