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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8973) DiskChecker cannot reliably detect an inaccessible disk on Windows with NTFS ACLs
Date Mon, 11 Mar 2013 14:05:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13598831#comment-13598831
] 

Hudson commented on HADOOP-8973:
--------------------------------

Integrated in Hadoop-Mapreduce-trunk #1369 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1369/])
    HADOOP-8973. DiskChecker cannot reliably detect an inaccessible disk on Windows with NTFS
ACLs. Contributed by Chris Nauroth. (Revision 1454889)

     Result = SUCCESS
suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1454889
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/DiskChecker.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestDiskChecker.java

                
> DiskChecker cannot reliably detect an inaccessible disk on Windows with NTFS ACLs
> ---------------------------------------------------------------------------------
>
>                 Key: HADOOP-8973
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8973
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 3.0.0, 1-win
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 3.0.0, 1-win
>
>         Attachments: DiskChecker.proto.patch, HADOOP-8973.3.patch, HADOOP-8973-branch-1-win.3.patch,
HADOOP-8973-branch-trunk-win.2.patch, HADOOP-8973-branch-trunk-win.patch
>
>
> DiskChecker.checkDir uses File.canRead, File.canWrite, and File.canExecute to check if
a directory is inaccessible.  These APIs are not reliable on Windows with NTFS ACLs due to
a known JVM bug.

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