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https://issues.apache.org/jira/browse/AMBARI-19695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15836623#comment-15836623
 ] 

Hadoop QA commented on AMBARI-19695:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest 
attachment 
  
http://issues.apache.org/jira/secure/attachment/12849132/AMBARI-19695.trunk.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new 
or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in 
ambari-server.

Test results: 
https://builds.apache.org/job/Ambari-trunk-test-patch/10231//testReport/
Console output: 
https://builds.apache.org/job/Ambari-trunk-test-patch/10231//console

This message is automatically generated.

> Remove thrown exceptions while validating Kerberos Authentication 
> configuration
> -------------------------------------------------------------------------------
>
>                 Key: AMBARI-19695
>                 URL: https://issues.apache.org/jira/browse/AMBARI-19695
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.5.0
>            Reporter: Eugene Chekanskiy
>            Assignee: Eugene Chekanskiy
>             Fix For: 2.5.0
>
>         Attachments: AMBARI-19695.2.5.patch, AMBARI-19695.trunk.patch
>
>
> When starting Ambari where Kerberos authentication is enabled 
> (authentication.kerberos.enabled=true), Ambari validates the relevant 
> configuration properties. If a sever issue is found, an exception is thrown. 
> This causes issues in installations where Ambari is expected to be able to 
> perform Kerberos authentication but all of the data is available for since 
> this is it expected to be provided later. For example, the SPNEGO keytab file 
> will be created when Kerberos is enabled sometime after Ambari starts up.
> To prevent Ambari from shutting down when all the required data is not 
> available, thrown exceptions should be removed from 
> org.apache.ambari.server.configuration.Configuration#createKerberosAuthenticationProperties.



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