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https://issues.apache.org/jira/browse/MAPREDUCE-2529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13041822#comment-13041822
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Thomas Graves commented on MAPREDUCE-2529:
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findbugs warning was there before my change and test failure
(org.apache.hadoop.raid.TestBlockFixerParityBlockFixDist.testGeneratedLastBlockLocal)
again isn't from this change. I ran it in my environment and it worked:
test-junit:
[junit] WARNING: multiple versions of ant detected in path for junit
[junit]
jar:file:/home/tgraves/hadoop/apache-ant-1.8.2/lib/ant.jar!/org/apache/tools/ant/Project.class
[junit] and
jar:file:/home/tgraves/.ivy2/cache/ant/ant/jars/ant-1.6.5.jar!/org/apache/tools/ant/Project.class
[junit] Running org.apache.hadoop.raid.TestBlockFixerParityBlockFixDist
[junit] Tests run: 9, Failures: 0, Errors: 0, Time elapsed: 257.206 sec
> 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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