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Posted to common-issues@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/08/01 23:47:49 UTC

[jira] [Updated] (HADOOP-9817) FileSystem#globStatus and FileContext#globStatus need to work with symlinks

     [ https://issues.apache.org/jira/browse/HADOOP-9817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Colin Patrick McCabe updated HADOOP-9817:
-----------------------------------------

    Attachment: HADOOP-9817.004.patch
    
> 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
>         Attachments: HADOOP-9817.004.patch
>
>
> 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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