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https://issues.apache.org/jira/browse/MAPREDUCE-2987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13103051#comment-13103051
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Thomas Graves commented on MAPREDUCE-2987:
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if a web page isn't configured to go through authentication, the username will
show up as null.
getRemoteUser - if the user has been authenticated, or null if the user has not
been authenticated.
I think just not displaying it if its not configured would make more sense.
> RM UI display logged in user as null
> ------------------------------------
>
> Key: MAPREDUCE-2987
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2987
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 0.23.0
> Reporter: Thomas Graves
> Assignee: Thomas Graves
> Fix For: 0.23.0
>
>
> All the pages of the UI, currently show "Logged in as: null" instead of the
> correct username
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