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https://issues.apache.org/jira/browse/YARN-2598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14152534#comment-14152534
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Mayank Bansal commented on YARN-2598:
-------------------------------------

+1 LGTM.
Will run tests and if succeeds will commit

Thanks,
Mayank

> GHS should show N/A instead of null for the inaccessible information
> --------------------------------------------------------------------
>
>                 Key: YARN-2598
>                 URL: https://issues.apache.org/jira/browse/YARN-2598
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>    Affects Versions: 2.6.0
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>         Attachments: YARN-2598.1.patch
>
>
> When the user doesn't have the access to an application, the app attempt 
> information is not visible to the user. ClientRMService will output N/A, but 
> GHS is showing null, which is not user-friendly.
> {code}
> 14/09/24 22:07:20 INFO impl.TimelineClientImpl: Timeline service address: 
> http://nn.example.com:8188/ws/v1/timeline/
> 14/09/24 22:07:20 INFO client.RMProxy: Connecting to ResourceManager at 
> nn.example.com/240.0.0.11:8050
> 14/09/24 22:07:21 INFO client.AHSProxy: Connecting to Application History 
> server at nn.example.com/240.0.0.11:10200
> Application Report : 
>       Application-Id : application_1411586934799_0001
>       Application-Name : Sleep job
>       Application-Type : MAPREDUCE
>       User : hrt_qa
>       Queue : default
>       Start-Time : 1411586956012
>       Finish-Time : 1411586989169
>       Progress : 100%
>       State : FINISHED
>       Final-State : SUCCEEDED
>       Tracking-URL : null
>       RPC Port : -1
>       AM Host : null
>       Aggregate Resource Allocation : N/A
>       Diagnostics : null
> {code}



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