[jira] [Assigned] (AMBARI-21865) NullPointerException during blueprint generation

["Madhuvanthi Radhakrishnan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-21865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Madhuvanthi Radhakrishnan reassigned AMBARI-21865:
--------------------------------------------------

    Assignee: Madhuvanthi Radhakrishnan

> NullPointerException during blueprint generation
> ------------------------------------------------
>
>                 Key: AMBARI-21865
>                 URL: https://issues.apache.org/jira/browse/AMBARI-21865
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 2.4.3
>            Reporter: amarnath reddy pappu
>            Assignee: Madhuvanthi Radhakrishnan
>             Fix For: 2.6.0
>
>
> PROBLEM:
> When customer tries to access Ambari Blueprint:
> http://Ambarihost:8080/api/v1/clusters/TEST?format=blueprint
> They see below error message web UI:
> { "status": 500, "message": "Server Error" }
> 7 Aug 2017 22:14:06,516 ERROR ambari-client-thread-214895 ContainerResponse:419 - The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
> java.lang.NullPointerException
> at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.splitAndTrimStrings(BlueprintConfigurationProcessor.java:1176)
> at org.apache.ambari.server.controller.internal.BlueprintConfigurationProcessor.parseNameNodes(BlueprintConfigurationProcessor.java:930)
> Customer has setup a configuration for remote servers which are HA in their configs.
> They started seeing this after making those changes.
> dfs.namenode.http-address.nonha=<local-cluster-NN-IP>:50070 
> dfs.nameservices.internal=nonha 
> dfs.nameservices=nonha,hacluster 
> dfs.namenode.rpc-address.nonha=<local-cluster-NN-IP>:8020 
> dfs.namenode.rpc-address.hacluster.nn2=<remote-cluster-NN1-IP>:8020 
> dfs.namenode.rpc-address.hacluster.nn1=<remote-cluster-NN2-IP>:8020 
> dfs.ha.namenodes.hacluster=nn1,nn2 
> dfs.client.failover.proxy.provider.hacluster=org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider
> Basically dfs.ha.namenodes.NNSERVICE value is not defined and it errors out.



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