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https://issues.apache.org/jira/browse/HADOOP-8973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487796#comment-13487796
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Bikas Saha commented on HADOOP-8973:
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Can we try the following approach that has the advantage of being common across
platforms.
Get FileStatus of the file/dir using FileSystem API
getPermission() from FileStatus
There are a bunch of impliesRead(), impliesWrite() functions that tell whether
a given FsPermission object allows read/write etc. I am sorry I don't remember
where these functions are.
Using these functions one can get the equivalent of isReadable/isWritable
> 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: trunk-win
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Attachments: 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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