Issue
On Tableau Server, trying to test, edit or refresh the extract of a published Hortonworks Hadoop Hive data source connection using MIT Kerberos displays the following error:
There was an unknown connection error to the database. The error message below has additional information, but you might need to ask the database administrator to review the database logs.
[Hortonworks][Support] (50363) Failed to get username: Routine Error:
Unspecified GSS failure. Minor code may provide more information.