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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8040) Add symlink support to FileSystem
Date Fri, 21 Jun 2013 18:58:23 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Wang updated HADOOP-8040:
--------------------------------

    Attachment: hadoop-8040-7.patch

OK, updated them into Path methods. New consolidated patch attached.

I think that addresses all outstanding review comments, so I posted up newly rebased patch
splits on HADOOP-9370 and subtasks of this jira. Thanks everyone for taking a look.
                
> Add symlink support to FileSystem
> ---------------------------------
>
>                 Key: HADOOP-8040
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8040
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 0.23.0, 3.0.0, 2.0.3-alpha
>            Reporter: Eli Collins
>            Assignee: Andrew Wang
>         Attachments: hadoop-8040-1.patch, hadoop-8040-2.patch, hadoop-8040-3.patch, hadoop-8040-4.patch,
hadoop-8040-5.patch, hadoop-8040-6.patch, hadoop-8040-7.patch
>
>
> HADOOP-6421 added symbolic links to FileContext. Resolving symlinks is done on the client-side,
and therefore requires client support. An HDFS symlink (created by FileContext) when accessed
by FileSystem will result in an unhandled UnresolvedLinkException. Because not all users will
migrate from FileSystem to FileContext in lock step, and we want users of FileSystem to be
able to access all paths created by FileContext, we need to support symlink resolution in
FileSystem as well, to facilitate migration to FileContext.

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