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https://issues.apache.org/jira/browse/HDFS-6040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13918676#comment-13918676
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Colin Patrick McCabe commented on HDFS-6040:
--------------------------------------------
Test failure is HDFS-5997, not related to this patch.
I'm going to add a suppression for the findbugs warning. It's not a new
warning (I'm not sure why it's showing up as new), just a consequence of
findbugs not understanding that the lock is held at the start of the function.
I also fixed an issue where DFSClients without libhadoop.so installed would get
an exception while creating the {{ShortCircuitCache}}, and adjusted some noisy
INFO logs down.
> some ShortCircuitShm cleanups
> -----------------------------
>
> Key: HDFS-6040
> URL: https://issues.apache.org/jira/browse/HDFS-6040
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Affects Versions: 2.4.0
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Attachments: HDFS-6040.001.patch, HDFS-6040.002.patch
>
>
> In ShortCircuitShnm, clean up some extra imports, fix a findbugs warning, and
> throw an IOException rather than RuntimeException when the client asks the
> server for a bogus slot index.
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