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https://issues.apache.org/jira/browse/AMBARI-22977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16363059#comment-16363059
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Hudson commented on AMBARI-22977:
---------------------------------

FAILURE: Integrated in Jenkins build Ambari-trunk-Commit #8723 (See 
[https://builds.apache.org/job/Ambari-trunk-Commit/8723/])
AMBARI-22977. NullPointerException in KerberosHelperImpl.addIdentities 
(m.magyar3: 
[https://gitbox.apache.org/repos/asf?p=ambari.git&a=commit&h=4243e3367df2c9826bc94b8584ec0f12d6f6c4be])
* (edit) 
ambari-server/src/main/java/org/apache/ambari/server/controller/KerberosHelperImpl.java


> NullPointerException in KerberosHelperImpl.addIdentities
> --------------------------------------------------------
>
>                 Key: AMBARI-22977
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22977
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.7.0
>            Reporter: Attila Magyar
>            Assignee: Attila Magyar
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 2.7.0
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> If a group name or group access is missing from a kerberos descriptor ambari 
> will throw an NPE during enable kerberos
> {code:java}
> 13 Feb 2018 11:27:37,466  WARN [Server Action Executor Worker 39] 
> ServerActionExecutor:471 - Task #39 failed to complete execution due to 
> thrown exception: java.lang.NullPointerException:null
> java.lang.NullPointerException
>       at 
> org.apache.ambari.server.controller.KerberosHelperImpl.addIdentities(KerberosHelperImpl.java:1601)
>       at 
> org.apache.ambari.server.serveraction.kerberos.AbstractPrepareKerberosServerAction.processServiceComponents(AbstractPrepareKerberosServerAction.java:177)
>       at 
> org.apache.ambari.server.serveraction.kerberos.AbstractPrepareKerberosServerAction.processServiceComponentHosts(AbstractPrepareKerberosServerAction.java:87)
>       at 
> org.apache.ambari.server.serveraction.kerberos.PrepareKerberosIdentitiesServerAction.execute(PrepareKerberosIdentitiesServerAction.java:128)
>       at 
> org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.execute(ServerActionExecutor.java:550)
>       at 
> org.apache.ambari.server.serveraction.ServerActionExecutor$Worker.run(ServerActionExecutor.java:466)
>       at java.lang.Thread.run(Thread.java:748){code}



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