[YARN-7675] [UI2] Support loading pre-2.8 version /scheduler REST response for queue page

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.0
• Component/s: yarn-ui-v2
• Hadoop Flags: Reviewed
• Assignee: Gergely Novák
• Reporter: Gergely Novák
• Created: 20/Dec/17 06:52
• Updated: 19/Mar/18 18:33
• Resolved: 23/Feb/18 10:41

Description

If we connect the new YARN UI to any Hadoop versions older than 2.8 it won't load. The console shows this trace:

TypeError: Cannot read property 'queueCapacitiesByPartition' of undefined
    at Class.normalizeSingleResponse (yarn-ui.js:13903)
    at Class.superWrapper [as normalizeSingleResponse] (vendor.js:31811)
    at Class.handleQueue (yarn-ui.js:13928)
    at Class.normalizeArrayResponse (yarn-ui.js:13952)
    at Class.normalizeQueryResponse (vendor.js:101566)
    at Class.normalizeResponse (vendor.js:101468)
    at ember$data$lib$system$store$serializer$response$$normalizeResponseHelper (vendor.js:95345)
    at vendor.js:95672
    at Backburner.run (vendor.js:10426)

Issue Links

• is broken by: YARN-7620 Allow node partition filters on Queues page of new YARN UI