FifoScheduler web service rest API can print out invalid JSON
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Key: MAPREDUCE-3680
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3680
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 0.23.0
Reporter: Thomas Graves
running a GET on the scheduler web services rest api
(RM:port/ws/cluster/scheduler) with the FifoScheduler configured with no
nodemanagers up yet and it prints out invalid json of NaN for the used Capacity:
{"scheduler":{"schedulerInfo":{"type":"fifoScheduler","capacity":1.0,"usedCapacity":NaN,"qstate":"RUNNING","minQueueMemoryCapacity":1024,"maxQueueMemoryCapacity":10240,"numNodes":0,"usedNodeCapacity":0,"availNodeCapacity":0,"totalNodeCapacity":0,"numContainers":0}}}
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