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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9413) Introduce common utils for File#setReadable/Writable/Executable and File#canRead/Write/Execute that work cross-platform
Date Tue, 23 Apr 2013 18:05:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13639326#comment-13639326
] 

Chris Nauroth commented on HADOOP-9413:
---------------------------------------

+1 for the patch.  This is great!  The code looks good.  I verified successful test runs on
Mac, Windows, and Linux w/native.

Just a reminder: we are still holding off on committing, pending resolution of some downstream
test failures.  (See prior comments from Ivan and me.)

                
> Introduce common utils for File#setReadable/Writable/Executable and File#canRead/Write/Execute
that work cross-platform
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-9413
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9413
>             Project: Hadoop Common
>          Issue Type: Bug
>            Reporter: Ivan Mitic
>            Assignee: Ivan Mitic
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-9413.commonfileutils.2.patch, HADOOP-9413.commonfileutils.3.patch,
HADOOP-9413.commonfileutils.patch
>
>
> So far, we've seen many unittest and product bugs in Hadoop on Windows because Java's
APIs that manipulate with permissions do not work as expected. We've addressed many of these
problems on one-by-one basis (by either changing code a bit or disabling the test). While
debugging the remaining unittest failures we continue to run into the same patterns of problems,
and instead of addressing them one-by-one, I propose that we expose a set of equivalent wrapper
APIs that will work well for all platforms.
> Scanning thru the codebase, this will actually be a simple change as there are very few
places that use File#setReadable/Writable/Executable and File#canRead/Write/Execute (5 files
in Common, 9 files in HDFS).
> HADOOP-8973 contains additional context on the problem.

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