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Posted to hdfs-issues@hadoop.apache.org by "Eli Collins (JIRA)" <ji...@apache.org> on 2010/04/08 04:21:36 UTC

[jira] Updated: (HDFS-1088) Prevent renaming a symlink to it's target

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

Eli Collins updated HDFS-1088:
------------------------------

    Attachment: hdfs-1088-1.patch

Patch attached.

> Prevent renaming a symlink to it's target 
> ------------------------------------------
>
>                 Key: HDFS-1088
>                 URL: https://issues.apache.org/jira/browse/HDFS-1088
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>         Attachments: hdfs-1088-1.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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