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Posted to hdfs-issues@hadoop.apache.org by "Jakob Homan (JIRA)" <ji...@apache.org> on 2009/08/12 22:15:14 UTC

[jira] Assigned: (HDFS-538) DistributedFileSystem::listStatus incorrectly returns null for empty result sets

     [ https://issues.apache.org/jira/browse/HDFS-538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jakob Homan reassigned HDFS-538:
--------------------------------

    Assignee: Jakob Homan

> 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
>
> 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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