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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4626) ClientProtocol#getLinkTarget should throw an exception for non-existent paths
Date Thu, 13 Jun 2013 00:13:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-4626:
---------------------------------------

    Summary: ClientProtocol#getLinkTarget should throw an exception for non-existent paths
 (was: Fix NullPointerException in getLinkTarget)
    
> ClientProtocol#getLinkTarget should throw an exception for non-existent paths
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-4626
>                 URL: https://issues.apache.org/jira/browse/HDFS-4626
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: namenode
>    Affects Versions: 3.0.0
>            Reporter: Andrew Wang
>            Assignee: Andrew Wang
>            Priority: Minor
>         Attachments: hadoop-9415-1.patch, hadoop-9415-2.patch, hadoop-9415-3.patch, hdfs-4626-1.patch
>
>
> {{HdfsFileStatus#getLinkTarget}} can throw a NPE in {{DFSUtil#bytes2String}} if {{symlink}}
is null. Better to instead return null and propagate this to the client.

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