Zhijie Shen created YARN-2598:

             Summary: GHS should show N/A instead of null for the inaccessible 
                 Key: YARN-2598
                 URL: https://issues.apache.org/jira/browse/YARN-2598
             Project: Hadoop YARN
          Issue Type: Bug
          Components: timelineserver
    Affects Versions: 2.6.0
            Reporter: Zhijie Shen

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.

14/09/24 22:07:20 INFO impl.TimelineClientImpl: Timeline service address: 
14/09/24 22:07:20 INFO client.RMProxy: Connecting to ResourceManager at 
14/09/24 22:07:21 INFO client.AHSProxy: Connecting to Application History 
server at nn.example.com/
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

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