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Date: Wed, 17 Dec 2014 15:09:17 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
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 <JIRA.12756580.1416442214346@arcas>
Subject: [jira] [Commented] (HADOOP-11321) copyToLocal cannot save a file to
 an SMB share unless the user has Full Control permissions.
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    [ https://issues.apache.org/jira/browse/HADOOP-11321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14249954#comment-14249954 ] 

Hudson commented on HADOOP-11321:
---------------------------------

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #45 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/45/])
HADOOP-11321. copyToLocal cannot save a file to an SMB share unless the user has Full Control permissions. Contributed by Chris Nauroth. (cnauroth: rev e996a1bfd4f3ada6cbd9633fe68fda1e0c910bdf)
* hadoop-common-project/hadoop-common/src/main/native/src/org/apache/hadoop/io/nativeio/NativeIO.c
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/RawLocalFileSystem.java
* hadoop-common-project/hadoop-common/src/main/winutils/include/winutils.h
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLocalDirsHandlerService.java
* hadoop-common-project/hadoop-common/src/main/winutils/libwinutils.c
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/ChecksumFileSystem.java
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/WindowsSecureContainerExecutor.java


> copyToLocal cannot save a file to an SMB share unless the user has Full Control permissions.
> --------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11321
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11321
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.6.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>             Fix For: 2.7.0
>
>         Attachments: HADOOP-11321.003.patch, HADOOP-11321.004.patch, HADOOP-11321.005.patch, HADOOP-11321.006.patch, HADOOP-11321.007.patch, HADOOP-11321.008.patch, HADOOP-11321.1.patch, HADOOP-11321.2.patch, winutils.tmp.patch
>
>
> In Hadoop 2, it is impossible to use {{copyToLocal}} to copy a file from HDFS to a destination on an SMB share.  This is because in Hadoop 2, the {{copyToLocal}} maps to 2 underlying {{RawLocalFileSystem}} operations: {{create}} and {{setPermission}}.  On an SMB share, the user may be authorized for the {{create}} but denied for the {{setPermission}}.  Windows denies the {{WRITE_DAC}} right required by {{setPermission}} unless the user has Full Control permissions.  Granting Full Control isn't feasible for most deployments, because it's insecure.  This is a regression from Hadoop 1, where {{copyToLocal}} only did a {{create}} and didn't do a separate {{setPermission}}.


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