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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2016/10/12 20:24:20 UTC
[jira] [Commented] (HBASE-16810) HBase Balancer throws
ArrayIndexOutOfBoundsException when regionservers are in /hbase/draining
znode and unloaded
[ https://issues.apache.org/jira/browse/HBASE-16810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15569773#comment-15569773 ]
Ted Yu commented on HBASE-16810:
--------------------------------
+1
> HBase Balancer throws ArrayIndexOutOfBoundsException when regionservers are in /hbase/draining znode and unloaded
> -----------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-16810
> URL: https://issues.apache.org/jira/browse/HBASE-16810
> Project: HBase
> Issue Type: Bug
> Components: Balancer
> Affects Versions: 2.0.0, 1.3.0
> Reporter: Ashu Pachauri
> Assignee: David Pope
> Fix For: 1.3.0
>
> Attachments: HBASE-16810.patch, master.patch
>
>
> 1. Add a regionserver znode under /hbase/draining znode.
> 2. Use RegionMover to unload all regions from the regionserver.
> 3. Run balancer.
> {code}
> 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)
> {code}
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