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https://issues.apache.org/jira/browse/MAPREDUCE-2529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thomas Graves updated MAPREDUCE-2529:
-------------------------------------
Fix Version/s: 0.23.0
0.20.205.0
Release Note:
Added 2 new config parameters:
mapreduce.reduce.shuffle.catch.exception.stack.regex
mapreduce.reduce.shuffle.catch.exception.message.regex
Status: Patch Available (was: Open)
> 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: 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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