Jason Lowe created YARN-3103:
--------------------------------

             Summary: AMRMClientImpl does not update AMRM token properly
                 Key: YARN-3103
                 URL: https://issues.apache.org/jira/browse/YARN-3103
             Project: Hadoop YARN
          Issue Type: Bug
          Components: client
    Affects Versions: 2.6.0
            Reporter: Jason Lowe
            Assignee: Jason Lowe
            Priority: Blocker


AMRMClientImpl.updateAMRMToken updates the token service _before_ storing it to 
the credentials, so the token is mapped using the newly updated service rather 
than the empty service that was used when the RM created the original AMRM 
token.  This leads to two AMRM tokens in the credentials and can still fail if 
the AMRMTokenSelector picks the wrong one.

In addition the AMRMClientImpl grabs the login user rather than the current 
user when security is enabled, so it's likely the UGI being updated is not the 
UGI that will be used when reconnecting to the RM.

The end result is that AMs can fail with invalid token errors when trying to 
reconnect to an RM after a new AMRM secret has been activated.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to