Andrey Elenskiy created HBASE-25480: ---------------------------------------
Summary: NPE when getting metrics of backup master Key: HBASE-25480 URL: https://issues.apache.org/jira/browse/HBASE-25480 Project: HBase Issue Type: Brainstorming Components: master Affects Versions: 2.4.0 Reporter: Andrey Elenskiy Getting NullPointerException in MetricsMasterWrapperImpl.getMergePlanCount() when getting metrics via JMX on backup master. It appears due to the fact that regionNormalizerManager is null in backup masters as it's only initialized by HMaster.finishActiveMasterInitialization(). -- This message was sent by Atlassian Jira (v8.3.4#803005)