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https://issues.apache.org/jira/browse/HDFS-506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12756809#action_12756809
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Allen Wittenauer commented on HDFS-506:
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Or, as an alternative, on Solaris, try path-less whoami, if it fails, try
/usr/ucb/whoami specifically.
In either case, it is reprehensible that this still isn't fixed.
> Incorrect UserName at Solaris because it has no "whoami" command by default
> ---------------------------------------------------------------------------
>
> Key: HDFS-506
> URL: https://issues.apache.org/jira/browse/HDFS-506
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 0.20.1
> Environment: OS: SunOS 5.10
> Reporter: Urko Benito
> Attachments: PermissionChecker.java.diff, Shell.java.diff,
> test-hadoop-security.tar.gz, UnixUserGroupInformation.java.diff
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Solaris enviroment has no __whoami__ command, so the __getUnixUserName()__ at
> UnixUserGroupInformation class fails because it's calling to
> Shell.USER_NAME_COMMAND which is defines as "whoami".
> So it launched an Exception and set the default "DrWho" username ignoring all
> the FileSystem permissions.
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