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https://issues.apache.org/jira/browse/PHOENIX-6913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17702151#comment-17702151
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Istvan Toth commented on PHOENIX-6913:
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See the discussion on [https://github.com/apache/phoenix-queryserver/pull/123]
for Josh's insights.
> Follow up on Jetty/Hadoop kerberos principal hostname/realm issues
> ------------------------------------------------------------------
>
> Key: PHOENIX-6913
> URL: https://issues.apache.org/jira/browse/PHOENIX-6913
> Project: Phoenix
> Issue Type: Task
> Components: queryserver
> Reporter: Istvan Toth
> Priority: Major
>
> With the new Jetty SPNEGO brought in with Avatica 1.20.0 +, we have to do
> some gymnasitics to get Hadoop to accept the principal.
> Review why Hadoop won't accept some user/host.name format principals, and
> whether Jetty stripping the realm from the principal as returned by is a bug
> or not.
> Also figure out whether having different users with the same username in
> different realms is even a possibility in Kerberos and Hadoop.
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