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Posted to dev@hbase.apache.org by "Xiaolin Ha (JIRA)" <ji...@apache.org> on 2018/08/15 03:06:00 UTC

[jira] [Created] (HBASE-21055) NullPointerException when balanceOverall() but server balance info is null

Xiaolin Ha created HBASE-21055:
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             Summary: NullPointerException when balanceOverall() but server balance info is null 
                 Key: HBASE-21055
                 URL: https://issues.apache.org/jira/browse/HBASE-21055
             Project: HBase
          Issue Type: Bug
          Components: Balancer
    Affects Versions: 2.1.0
            Reporter: Xiaolin Ha
            Assignee: Xiaolin Ha


2018-08-15,10:07:30,456 ERROR [master/c4-hadoop-tst-ct15:42900.Chore.1] org.apache.hadoop.hbase.ScheduledChore: Caught error
java.lang.NullPointerException
        at org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer.balanceOverall(SimpleLoadBalancer.java:482)
        at org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer.balanceCluster(SimpleLoadBalancer.java:426)
        at org.apache.hadoop.hbase.master.balancer.SimpleLoadBalancer.balanceCluster(SimpleLoadBalancer.java:592)
        at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1535)
        at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1466)
        at org.apache.hadoop.hbase.master.balancer.BalancerChore.chore(BalancerChore.java:49)
        at org.apache.hadoop.hbase.ScheduledChore.run(ScheduledChore.java:186)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
        at org.apache.hadoop.hbase.JitterScheduledThreadPoolExecutorImpl$JitteredRunnableScheduledFuture.run(JitterScheduledThreadPoolExecutorImpl.java:111)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)




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