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  1. HBase
  2. HBASE-16810

HBase Balancer throws ArrayIndexOutOfBoundsException when regionservers are in /hbase/draining znode and unloaded

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Details

    • Bug
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 1.3.0, 2.0.0
    • 1.3.0, 2.0.0
    • Balancer
    • None
    • Reviewed

    Description

      1. Add a regionserver znode under /hbase/draining znode.
      2. Use RegionMover to unload all regions from the regionserver.
      3. Run balancer.

      16/09/21 14:17:33 ERROR ipc.RpcServer: Unexpected throwable object
java.lang.ArrayIndexOutOfBoundsException: 75
      at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer$Cluster.getLocalityOfRegion(BaseLoadBalancer.java:867)
      at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer$LocalityCostFunction.cost(StochasticLoadBalancer.java:1186)
      at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.computeCost(StochasticLoadBalancer.java:521)
      at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:309)
      at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:264)
      at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1339)
      at org.apache.hadoop.hbase.master.MasterRpcServices.balance(MasterRpcServices.java:442)
      at org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java:58555)
      at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2268)
      at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:123)
      at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:188)
      at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:168)

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            epopevad@yahoo.com David Pope Assign to me
            ashu210890 Ashu Pachauri
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              Updated:
              Resolved:

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