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https://issues.apache.org/jira/browse/HIVE-4625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14506241#comment-14506241
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Thejas M Nair commented on HIVE-4625:
-------------------------------------
There are 2 other functions as well there "only in thrift (non local) mode"
exception is thrown, similar change should be made there as well for
consistency.
> HS2 should not attempt to get delegation token from metastore if using
> embedded metastore
> -----------------------------------------------------------------------------------------
>
> Key: HIVE-4625
> URL: https://issues.apache.org/jira/browse/HIVE-4625
> Project: Hive
> Issue Type: Bug
> Components: HiveServer2
> Affects Versions: 0.11.0
> Reporter: Thejas M Nair
> Assignee: Hari Sankar Sivarama Subramaniyan
> Attachments: HIVE-4625.1.patch, HIVE-4625.2.patch, HIVE-4625.3.patch,
> HIVE-4625.4.patch
>
>
> In kerberos secure mode, with doas enabled, Hive server2 tries to get
> delegation token from metastore even if the metastore is being used in
> embedded mode.
> To avoid failure in that case, it uses catch block for
> UnsupportedOperationException thrown that does nothing. But this leads to an
> error being logged by lower levels and can mislead users into thinking that
> there is a problem.
> It should check if delegation token mode is supported with current
> configuration before calling the function.
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