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https://issues.apache.org/jira/browse/HADOOP-7973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13475657#comment-13475657
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Harsh J commented on HADOOP-7973:
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Hi Daryn,
bq. Found issue in mapreduce v2 api, will post a modified patch.
The patch seems to be for 1.x branch. Is trunk unaffected by this behavior?
Last I checked we still blow up if we do the FS.get.close chain inside a task.
> DistributedFileSystem close has severe consequences
> ---------------------------------------------------
>
> Key: HADOOP-7973
> URL: https://issues.apache.org/jira/browse/HADOOP-7973
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 1.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Attachments: HADOOP-7973-2.patch, HADOOP-7973-3.patch,
> HADOOP-7973-4.patch, HADOOP-7973-5.patch, HADOOP-7973.patch
>
>
> The way {{FileSystem#close}} works is very problematic. Since the
> {{FileSystems}} are cached, any {{close}} by any caller will cause problems
> for every other reference to it. Will add more detail in the comments.
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