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https://issues.apache.org/jira/browse/HIVE-15177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16871777#comment-16871777
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Prasanth Jayachandran commented on HIVE-15177:
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lgtm, +1
> Authentication with hive fails when kerberos auth type is set to fromSubject
> and principal contains _HOST
> ---------------------------------------------------------------------------------------------------------
>
> Key: HIVE-15177
> URL: https://issues.apache.org/jira/browse/HIVE-15177
> Project: Hive
> Issue Type: Bug
> Components: Authentication
> Reporter: Subrahmanya
> Assignee: Oliver Draese
> Priority: Major
> Fix For: 3.1.1
>
> Attachments: HIVE-15177.patch
>
>
> Authentication with hive fails when kerberos auth type is set to fromSubject
> and principal contains _HOST.
> When auth type is set to fromSubject, _HOST in principal is not resolved to
> the actual host name even though the correct host name is available. This
> leads to connection failure. If auth type is not set to fromSubject host
> resolution is done correctly.
> The problem is in getKerberosTransport method of
> org.apache.hive.service.auth.KerberosSaslHelper class. When assumeSubject is
> true host name in the principal is not resolved. When it is false, host name
> is passed on to HadoopThriftAuthBridge, which takes care of resolving the
> parameter.
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