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https://issues.apache.org/jira/browse/HDFS-538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jakob Homan updated HDFS-538:
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Attachment: HDFS-538.patch
Attaching patch, but can't make it patch available because it depends on a new
Common jar from HADOOP-6201. Check the notes there.
> DistributedFileSystem::listStatus incorrectly returns null for empty result
> sets
> --------------------------------------------------------------------------------
>
> Key: HDFS-538
> URL: https://issues.apache.org/jira/browse/HDFS-538
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Jakob Homan
> Assignee: Jakob Homan
> Attachments: HDFS-538.patch
>
>
> Currently the listStatus method returns null if no files match the request.
> This differs from the Checksum/LocalFileSystem implementation, which returns
> an empty array, and the nontvery-explict prescription of the FileSystem
> interface: "{...@return the statuses of the files/directories in the given
> patch}}" It's better to return an empty collection than have to add extra
> null checks. The method should return an empty array.
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