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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-5580) Kerberos keytabs not working for YARN deployment mode
Date Fri, 20 Jan 2017 09:50:26 GMT

    [ https://issues.apache.org/jira/browse/FLINK-5580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15831487#comment-15831487

ASF GitHub Bot commented on FLINK-5580:

Github user rmetzger commented on the issue:

    +1 to merge

> Kerberos keytabs not working for YARN deployment mode
> -----------------------------------------------------
>                 Key: FLINK-5580
>                 URL: https://issues.apache.org/jira/browse/FLINK-5580
>             Project: Flink
>          Issue Type: Bug
>          Components: Security, YARN
>            Reporter: Tzu-Li (Gordon) Tai
>            Assignee: Tzu-Li (Gordon) Tai
>            Priority: Critical
>             Fix For: 1.2.0
> Setup: Kerberos security using keytabs, Flink session on YARN deployment (in standalone,
it works fine without problems).
> I’m getting these error messages in the YARN node managers, causing the TaskManager
containers to fail to start properly:
> {{org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException as:tzulitai
(auth:SIMPLE) cause:org.apache.hadoop.security.AccessControlException: Client cannot authenticate
> The security configuration for Hadoop has been set to "kerberos", to the "auto: SIMPLE"
seems very strange. It also seems as if credential tokens has not been properly set for the
{{ContainerLaunchContext}} s, which may be an issue causing this.

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