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From "Chuan Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-9637) Adding Native Fstat for Windows as needed by YARN
Date Mon, 17 Jun 2013 18:19:21 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chuan Liu updated HADOOP-9637:
------------------------------

    Summary: Adding Native Fstat for Windows as needed by YARN  (was: TestAggregatedLogFormat
and TestContainerLogsPage fail on Windows)
    
> Adding Native Fstat for Windows as needed by YARN
> -------------------------------------------------
>
>                 Key: HADOOP-9637
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9637
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.1.0-beta
>            Reporter: Chuan Liu
>            Assignee: Chuan Liu
>         Attachments: HADOOP-9637-trunk.patch
>
>
> TestAggregatedLogFormat.testContainerLogsFileAccess test case fails on Windows. The test
case try to simulate a situation where first log file is owned by different user (probably
symlink) and second one by the user itself. In this situation, the attempt to try to aggregate
the logs should fail with the error message "Owner ... for path ... did not match expected
owner ...".
> The check on file owner happens at {{AggregatedLogFormat.write()}} method. The method
calls {{SecureIOUtils.openForRead()}} to read the log files before writing out to the OutputStream.
> {{SecureIOUtils.openForRead()}} use {{NativeIO.Posix.getFstat()}} to get the file owner
and group. We don't have {{NativeIO.Posix.getFstat()}} implementation on Windows; thus, the
failure.

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