Xiaolin Ha created HBASE-21055: ---------------------------------- 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) -- This message was sent by Atlassian JIRA (v7.6.3#76005)