Balazs Meszaros created HBASE-20571: ---------------------------------------
Summary: JMXJsonServlet generates invalid JSON if it has NaN in metrics Key: HBASE-20571 URL: https://issues.apache.org/jira/browse/HBASE-20571 Project: HBase Issue Type: Bug Components: UI Reporter: Balazs Meszaros Assignee: Balazs Meszaros {{/jmx}} servlet responses invalid JSON, if some metrics are NaN: {code} "l1CacheHitCount" : 0, "l1CacheMissCount" : 0, "l1CacheHitRatio" : NaN, "l1CacheMissRatio" : NaN, "l2CacheHitCount" : 0, "l2CacheMissCount" : 0, "l2CacheHitRatio" : 0.0, "l2CacheMissRatio" : 0.0, {code} NaN is an invalid character sequence in JSON. We should not response NaN in metrics. -- This message was sent by Atlassian JIRA (v7.6.3#76005)