[jira] [Created] (HBASE-25693) NPE getting metrics from standby masters (MetricsMasterWrapperImpl.getMergePlanCount)

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

Andrew Kyle Purtell created HBASE-25693:
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             Summary: NPE getting metrics from standby masters (MetricsMasterWrapperImpl.getMergePlanCount)
                 Key: HBASE-25693
                 URL: https://issues.apache.org/jira/browse/HBASE-25693
             Project: HBase
          Issue Type: Bug
          Components: master
    Affects Versions: 2.4.2
            Reporter: Andrew Kyle Purtell
             Fix For: 3.0.0-alpha-1, 2.5.0, 2.4.3


2021-03-24 23:26:15,828 ERROR [Timer for 'HBase' metrics system] impl.MetricsSourceAdapter: Error getting metrics from source Master,sub=Server
java.lang.NullPointerException
        at org.apache.hadoop.hbase.master.MetricsMasterWrapperImpl.getMergePlanCount(MetricsMasterWrapperImpl.java:58)
        at org.apache.hadoop.hbase.master.MetricsMasterSourceImpl.getMetrics(MetricsMasterSourceImpl.java:90)
        at org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:200)
        at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.snapshotMetrics(MetricsSystemImpl.java:419)
        at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.sampleMetrics(MetricsSystemImpl.java:406)
        at org.apache.hadoop.metrics2.impl.MetricsSystemImpl.onTimerEvent(MetricsSystemImpl.java:381)
        at org.apache.hadoop.metrics2.impl.MetricsSystemImpl$4.run(MetricsSystemImpl.java:368)
        at java.base/java.util.TimerThread.mainLoop(Timer.java:556)
        at java.base/java.util.TimerThread.run(Timer.java:506)




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