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https://issues.apache.org/jira/browse/MAPREDUCE-6639?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15281910#comment-15281910
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Hudson commented on MAPREDUCE-6639:
-----------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #9753 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/9753/])
MAPREDUCE-6639 Process hangs in LocatedFileStatusFetcher if (stevel: rev
7eddecd357014d4793df4bf2e5d987add02289f5)
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/LocatedFileStatusFetcher.java
> Process hangs in LocatedFileStatusFetcher if FileSystem.get throws
> ------------------------------------------------------------------
>
> Key: MAPREDUCE-6639
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6639
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.7.2
> Reporter: Ryan Blue
> Assignee: Ryan Blue
> Fix For: 2.8.0
>
> Attachments: MAPREDUCE-6639.2.patch
>
>
> ListLocatedFileStatusFetcher uses a thread pool, but one of the Callable
> thread functions,
> [{{ProcessInitialInputPathCallable}}|https://github.com/apache/hadoop/blob/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/LocatedFileStatusFetcher.java#L306],
> doesn't catch exceptions (the callbacks do). When an exception is thrown,
> the thread exists and doesn't signal the error to the calling thread, which
> continues waiting to be signaled. This can happen when a FS implementation
> cannot be found.
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