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From "ramkrishna.s.vasudevan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14300) NPE while issuing balancer command in trunk
Date Mon, 24 Aug 2015 10:33:45 GMT
ramkrishna.s.vasudevan created HBASE-14300:
----------------------------------------------

             Summary: 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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