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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7818) DiskChecker#checkDir should fail if the directory is not executable
Date Thu, 17 May 2012 16:52:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13277963#comment-13277963
] 

Eli Collins commented on HADOOP-7818:
-------------------------------------

Change looks great, thanks for contributing! Mind updating TestDiskChecker to cover the new
behavior?
                
> DiskChecker#checkDir should fail if the directory is not executable
> -------------------------------------------------------------------
>
>                 Key: HADOOP-7818
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7818
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 0.20.205.0, 0.23.0, 0.24.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>            Priority: Minor
>         Attachments: HADOOP-7818.patch
>
>
> DiskChecker#checkDir fails if a directory can't be created, read, or written but does
not fail if the directory exists and is not executable. This causes subsequent code to think
the directory is OK but later fail due to an inability to access the directory (eg see MAPREDUCE-2921).
I propose checkDir fails if the directory is not executable. Looking at the uses, this should
be fine, I think it was ignored because checkDir is often used to create directories and it
creates executable directories.

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