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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/52170/
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Review request for Ambari, Jonathan Hurley, Nate Cole, and Sumit Mohanty.


Bugs: AMBARI-18448
    https://issues.apache.org/jira/browse/AMBARI-18448


Repository: ambari


Description
-------

Error from the cluster:
```
22 Sep 2016 08:23:57,493 ERROR [pool-17-thread-1] TopologyManager:917 - 
TopologyManager.ConfigureClusterTask: An exception occurred while attempting to 
process cluster configs and set on cluster:
java.lang.NullPointerException
        at 
org.apache.ambari.server.serveraction.kerberos.ConfigureAmbariIdentitiesServerAction.installAmbariServerIdentity(ConfigureAmbariIdentitiesServerAction.java:192)
        at 
org.apache.ambari.server.controller.KerberosHelperImpl.installAmbariIdentity(KerberosHelperImpl.java:828)
        at 
org.apache.ambari.server.controller.KerberosHelperImpl.ensureHeadlessIdentities(KerberosHelperImpl.java:786)
        at 
org.apache.ambari.server.topology.ClusterConfigurationRequest.configureKerberos(ClusterConfigurationRequest.java:178)
        at 
org.apache.ambari.server.topology.ClusterConfigurationRequest.process(ClusterConfigurationRequest.java:145)
        at 
org.apache.ambari.server.topology.TopologyManager$ConfigureClusterTask.call(TopologyManager.java:915)
        at 
org.apache.ambari.server.topology.TopologyManager$ConfigureClusterTask.call(TopologyManager.java:889)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
        at 
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
22 Sep 2016 08:23:57,494  INFO [pool-3-thread-1] AsyncCallableService:111 - 
Exception during task execution:
```


Diffs
-----

  
ambari-server/src/main/java/org/apache/ambari/server/serveraction/kerberos/ConfigureAmbariIdentitiesServerAction.java
 9c2c622 

Diff: https://reviews.apache.org/r/52170/diff/


Testing
-------

Manually tested via Blueprint install.


Thanks,

Robert Levas

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