FifoScheduler web service rest API can print out invalid JSON -------------------------------------------------------------
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}}} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira