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From "Prasanth Jayachandran (JIRA)" <>
Subject [jira] [Created] (HIVE-15403) LLAP: Login with kerberos before starting the daemon
Date Fri, 09 Dec 2016 07:56:58 GMT
Prasanth Jayachandran created HIVE-15403:

             Summary: LLAP: Login with kerberos before starting the daemon
                 Key: HIVE-15403
             Project: Hive
          Issue Type: Bug
          Components: llap
    Affects Versions: 2.2.0
            Reporter: Prasanth Jayachandran
            Assignee: Prasanth Jayachandran
            Priority: Critical

In LLAP cluster, if some of the nodes are kinit'ed with some user (other than default hive
user) and some nodes are kinit'ed with hive user, both will end up in different paths under
zk registry and may not be reported by the llap status tool. The reason for that is when creating
zk paths we use UGI.getCurrentUser() but current user may not be same across all nodes (someone
has to do global kinit). Before bringing up the daemon, if security is enabled each daemons
should login based on specified kerberos principal and keytab for llap daemon service and
update the current logged in user. 

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