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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14300) NPE while issuing balancer command in trunk
Date Mon, 24 Aug 2015 13:28:45 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14709282#comment-14709282
] 

Ted Yu commented on HBASE-14300:
--------------------------------

Dupe of HBASE-14291 ?

> NPE while issuing balancer command in trunk
> -------------------------------------------
>
>                 Key: HBASE-14300
>                 URL: https://issues.apache.org/jira/browse/HBASE-14300
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.0.0
>            Reporter: ramkrishna.s.vasudevan
>
> This happened in the latest trunk code with the commit id 
> a7327a30c490d59d8fb6ff093bd7ee1101eb9244.
> {code}
> ERROR: java.io.IOException
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2175)
>         at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:106)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:130)
>         at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107)
>         at java.lang.Thread.run(Thread.java:745)
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.getLeastLoadedTopServerForRegion(BaseLoadBalancer.java:863)
>         at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer$LocalityBasedCandidateGenerator.generate(StochasticLoadBalancer.java:724)
>         at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:325)
>         at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:263)
>         at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1264)
>         at org.apache.hadoop.hbase.master.MasterRpcServices.balance(MasterRpcServices.java:413)
>         at org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:52450)
>         at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2133)
>         ... 4 more
> {code}



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