[jira] [Resolved] (HADOOP-6804) allow FileSystem.copyFromLocalFile() to execute under specified username

["Allen Wittenauer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-6804?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer resolved HADOOP-6804.
--------------------------------------

    Resolution: Not a Problem

> allow FileSystem.copyFromLocalFile() to execute under specified username
> ------------------------------------------------------------------------
>
>                 Key: HADOOP-6804
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6804
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: util
>    Affects Versions: 0.20.2
>            Reporter: Ted Yu
>            Priority: Minor
>
> When the user calling FileSystem.copyFromLocalFile() doesn't have permission to write to certain hdfs path:
> Thread [main] (Suspended (exception AccessControlException))   
>     DFSClient.mkdirs(String, FsPermission) line: 905   
>     DistributedFileSystem.mkdirs(Path, FsPermission) line: 262   
>     DistributedFileSystem(FileSystem).mkdirs(Path) line: 1162   
>     FileUtil.copy(FileSystem, Path, FileSystem, Path, boolean, boolean, Configuration) line: 194   
>     DistributedFileSystem(FileSystem).copyFromLocalFile(boolean, boolean, Path, Path) line: 1231   
>     DistributedFileSystem(FileSystem).copyFromLocalFile(boolean, Path, Path) line: 1207   
>     DistributedFileSystem(FileSystem).copyFromLocalFile(Path, Path) line: 1179   
>     GridM2mInstallation.copyInputFiles(FlowConfigurations$FlowConf) line: 380   
> Passwordless ssh has been setup for current user, tyu, on localhost and user hadoop on hdfs
> FileSystem.copyFromLocalFile() should be able to execute using a different username than effective user on localhost so that AccessControlException can be avoided.



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