[YARN-2598] GHS should show N/A instead of null for the inaccessible information

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Component/s: timelineserver
• Target Version/s: 2.6.0
• Hadoop Flags: Reviewed
• Assignee: Zhijie Shen
• Reporter: Zhijie Shen
• Created: 24/Sep/14 22:11
• Updated: 09/Oct/14 20:52
• Resolved: 09/Oct/14 20:45

Description

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: 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