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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8894) GenericTestUtils.waitFor should dump thread stacks on timeout
Date Tue, 09 Oct 2012 14:01:08 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13472394#comment-13472394
] 

Hudson commented on HADOOP-8894:
--------------------------------

Integrated in Hadoop-Mapreduce-trunk #1221 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1221/])
    HADOOP-8894. GenericTestUtils.waitFor should dump thread stacks on timeout. Contributed
by Todd Lipcon. (Revision 1395825)

     Result = SUCCESS
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1395825
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/GenericTestUtils.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/test/TimedOutTestsListener.java

                
> GenericTestUtils.waitFor should dump thread stacks on timeout
> -------------------------------------------------------------
>
>                 Key: HADOOP-8894
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8894
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>             Fix For: 3.0.0, 2.0.3-alpha
>
>         Attachments: hadoop-8894.txt, hadoop-8894.txt
>
>
> Many tests use this utility to wait for a condition to become true. In the event that
it times out, we should dump all the thread stack traces, in case the timeout was due to a
deadlock. This should make it easier to debug scenarios like HDFS-4001.

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