Gergely Novák created YARN-7675:
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             Summary: The new UI won't load for pre 2.8 Hadoop versions because 
queueCapacitiesByPartition is missing from the scheduler API
                 Key: YARN-7675
                 URL: https://issues.apache.org/jira/browse/YARN-7675
             Project: Hadoop YARN
          Issue Type: Bug
          Components: yarn-ui-v2
            Reporter: Gergely Novák


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



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