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Hudson commented on HBASE-12399: -------------------------------- FAILURE: Integrated in HBase-0.98-on-Hadoop-1.1 #615 (See [https://builds.apache.org/job/HBase-0.98-on-Hadoop-1.1/615/]) HBASE-12399 Master startup race between metrics and RpcServer (ndimiduk: rev da145ae2da11d0b59f47ca78bb26c166a84bf386) * hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/MetricsHBaseServerWrapperImpl.java > Master startup race between metrics and RpcServer > ------------------------------------------------- > > Key: HBASE-12399 > URL: https://issues.apache.org/jira/browse/HBASE-12399 > Project: HBase > Issue Type: Bug > Components: master > Reporter: Nick Dimiduk > Assignee: Nick Dimiduk > Priority: Minor > Fix For: 2.0.0, 0.98.8, 0.99.2 > > Attachments: 12399.patch, HBASE-12399.00.patch > > > Seeing this on CM tests with frequent master thrashing > {noformat} > 2014-10-31 12:01:59,196 ERROR [Timer for 'HBase' metrics system] > impl.MetricsSourceAdapter: Error getting metrics from source IPC,sub=IPC > java.lang.NullPointerException > at > org.apache.hadoop.hbase.ipc.FifoRpcScheduler.getGeneralQueueLength(FifoRpcScheduler.java:81) > at > org.apache.hadoop.hbase.ipc.MetricsHBaseServerWrapperImpl.getGeneralQueueLength(MetricsHBaseServerWrapperImpl.java:43) > at > org.apache.hadoop.hbase.ipc.MetricsHBaseServerSourceImpl.getMetrics(MetricsHBaseServerSourceImpl.java:117) > at > org.apache.hadoop.metrics2.impl.MetricsSourceAdapter.getMetrics(MetricsSourceAdapter.java:195) > 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:382) > at > org.apache.hadoop.metrics2.impl.MetricsSystemImpl$4.run(MetricsSystemImpl.java:369) > at java.util.TimerThread.mainLoop(Timer.java:555) > at java.util.TimerThread.run(Timer.java:505) > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)