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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9817) FileSystem#globStatus and FileContext#globStatus need to work with symlinks
Date Thu, 01 Aug 2013 17:59:48 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726673#comment-13726673
] 

Colin Patrick McCabe commented on HADOOP-9817:
----------------------------------------------

I moved this to HADOOP rather than HDFS, since the globbing code is in common.
                
> FileSystem#globStatus and FileContext#globStatus need to work with symlinks
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-9817
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9817
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>
> FileSystem#globStatus and FileContext#globStatus need to work with symlinks.  Currently,
they resolve all links, so that if you have:
> {code}
> /alpha/beta
> /alphaLink -> alpha
> {code}
> and you take {{globStatus(/alphaLink/*)}}, you will get {{/alpha/beta}}, rather than
the expected {{/alphaLink/beta}}.
> We even resolve terminal symlinks, which would prevent listing a symlink in FSShell,
for example.  Instead, we should build up the path incrementally.  This will allow the shell
to behave as expected, and also allow custom globbers to "see" the correct paths for symlinks.

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