[jira] [Assigned] (HIVE-17659) get_token thrift call fails for DBTokenStore in remote HMS mode

["Vihang Karajgaonkar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-17659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vihang Karajgaonkar reassigned HIVE-17659:
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> get_token thrift call fails for DBTokenStore in remote HMS mode
> ---------------------------------------------------------------
>
>                 Key: HIVE-17659
>                 URL: https://issues.apache.org/jira/browse/HIVE-17659
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>            Reporter: Vihang Karajgaonkar
>            Assignee: Vihang Karajgaonkar
>
> The {{get_token(String tokenIdentifier)}} HMS thrift API fails when HMS is deployed in remote mode and when there is no token found with that tokenIndentifier. This could happen when an application calls a renewDelegationToken on an expired/cancelled delegation token. The issue is that get_token tries to return a null result values which cannot be done in Thrift. The API call errors out with {{org.apache.thrift.TApplicationException unknown result}} exception which is uncaught and HS2 thrift server closes the client transport. So no further calls from that connection can be accepted unless client reconnects to HS2 again.



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