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https://issues.apache.org/jira/browse/HDFS-506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736182#action_12736182
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Tsz Wo (Nicholas), SZE commented on HDFS-506:
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> Solaris enviroment has no _whoami_ command ...
[In this
post|http://www.linuxquestions.org/questions/solaris-opensolaris-20/how-do-i-know-my-currently-logged-on-userid-in-solarisunix-537015/],
they said /usr/ucb/whoam is available in Solaris.
I suggest not to change the existing codes unless whoami is absolutely
unavailable.
> 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: Bug
> Components: build
> Affects Versions: 0.20.1
> Environment: OS: SunOS 5.10
> Reporter: Urko Benito
> 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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