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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HDFS-1088) Prevent renaming a symlink to its target
Date Wed, 21 Apr 2010 07:20:50 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas updated HDFS-1088:
----------------------------------

         Hadoop Flags: [Reviewed]
        Fix Version/s: 0.22.0
    Affects Version/s: 0.22.0

> Prevent renaming a symlink to its target 
> -----------------------------------------
>
>                 Key: HDFS-1088
>                 URL: https://issues.apache.org/jira/browse/HDFS-1088
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.22.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>             Fix For: 0.22.0
>
>         Attachments: hdfs-1088-1.patch, hdfs-1088-2.patch, hdfs-1088-3.patch, hdfs-1088-4.patch
>
>
> Here's the HDFS side of HADOOP-6563: 
> * Small bug fix for renaming a symlink to it's target
> * Hdfs#getFileBlockLocations needs to use getUriPath() to ensure an absolute path is
passed in. See minor change to INode#getPathNames, which now asserts instead of returning
null and causing NPEs. This was exposed via calling FileContext#getFileBlockLocations using
a symlink.
> * Comment in FSImage around symlinks and image loading

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