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https://issues.apache.org/jira/browse/MAPREDUCE-2529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13044452#comment-13044452
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Hudson commented on MAPREDUCE-2529:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk-Commit #714 (See
[https://builds.apache.org/hudson/job/Hadoop-Mapreduce-trunk-Commit/714/])
MAPREDUCE-2529. Add support for regex-based shuffle metric counting
exceptions. Contributed by Thomas Graves
cdouglas :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1131736
Files :
* /hadoop/mapreduce/trunk/CHANGES.txt
* /hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapred/TaskTracker.java
*
/hadoop/mapreduce/trunk/src/test/mapred/org/apache/hadoop/mapred/TestShuffleExceptionCount.java
*
/hadoop/mapreduce/trunk/src/java/org/apache/hadoop/mapreduce/server/jobtracker/JTConfig.java
> Recognize Jetty bug 1342 and handle it
> --------------------------------------
>
> Key: MAPREDUCE-2529
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2529
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.20.204.0, 0.23.0
> Reporter: Thomas Graves
> Assignee: Thomas Graves
> Fix For: 0.20.205.0, 0.23.0
>
> Attachments: M2529-1-20s.patch, M2529-1.patch,
> jetty1342-20security.patch, mapred2529-trunk.patch
>
>
> We are seeing many instances of the Jetty-1342
> (http://jira.codehaus.org/browse/JETTY-1342). The bug doesn't cause Jetty to
> stop responding altogether, some fetches go through but a lot of them throw
> exceptions and eventually fail. The only way we have found to get the TT out
> of this state is to restart the TT. This jira is to catch this particular
> exception (or perhaps a configurable regex) and handle it in an automated way
> to either blacklist or shutdown the TT after seeing it a configurable number
> of them.
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