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ASF GitHub Bot commented on FLINK-5580: --------------------------------------- GitHub user tzulitai opened a pull request: https://github.com/apache/flink/pull/3177 [FLINK-5580] [security] Fix path setting of shipped Kerberos keytabs in YARN mode Previously, the local path of the shipped keytab was set _after_ `SecurityConfiguration` was created, causing the picked up keytab path to be invalid and validation of the security configuration not passing. You can merge this pull request into a Git repository by running: $ git pull https://github.com/tzulitai/flink FLINK-5580 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/flink/pull/3177.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #3177 ---- commit 871c6a6601af33f57c3794d6f627a874ac4c8731 Author: Tzu-Li (Gordon) Tai <tzuli...@apache.org> Date: 2017-01-20T00:41:05Z [FLINK-5580] [security] Fix path setting of shipped Kerberos keytabs in YARN mode ---- > 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 via:[TOKEN, KERBEROS]}} > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)