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https://issues.apache.org/jira/browse/HDFS-4845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13682772#comment-13682772
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Chris Nauroth commented on HDFS-4845:
-------------------------------------
Would you mind putting the unlock call behind a finally block? Technically,
it's not really required. I don't see any checked exceptions that can get in
the way right now, but if the code evolves to something more complex, then it
could be easy to forget adding the finally block later. Also, using a finally
block would be consistent with the other call sites that acquire/release the
lock.
> FSEditLogLoader gets NPE while accessing INodeMap in TestEditLogRace
> --------------------------------------------------------------------
>
> Key: HDFS-4845
> URL: https://issues.apache.org/jira/browse/HDFS-4845
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.0.0
> Reporter: Kihwal Lee
> Assignee: Arpit Agarwal
> Priority: Critical
> Attachments: HDFS-4845.001.patch, HDFS-4845.002.patch,
> HDFS-4845.003.patch, HDFS-4845.004.patch
>
>
> TestEditLogRace fails occasionally because it gets NPE from manipulating
> INodeMap while loading edits.
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