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Posted to dev@hbase.apache.org by "Enis Soztutar (JIRA)" <ji...@apache.org> on 2014/03/12 06:00:45 UTC

[jira] [Created] (HBASE-10726) Fix java.lang.ArrayIndexOutOfBoundsException in StochasticLoadBalancer$LocalityBasedCandidateGenerator

Enis Soztutar created HBASE-10726:
-------------------------------------

             Summary: Fix java.lang.ArrayIndexOutOfBoundsException in StochasticLoadBalancer$LocalityBasedCandidateGenerator
                 Key: HBASE-10726
                 URL: https://issues.apache.org/jira/browse/HBASE-10726
             Project: HBase
          Issue Type: Bug
            Reporter: Enis Soztutar
            Assignee: Enis Soztutar
             Fix For: 0.99.0


Recent fix in HBASE-10632 to StochasticLoadBalancer$LocalityBasedCandidateGenerator revealed another issue: 

{code}
java.lang.ArrayIndexOutOfBoundsException: -1
	at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer$CandidateGenerator.pickRandomRegion(StochasticLoadBalancer.java:405)
	at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer$LocalityBasedCandidateGenerator.generate(StochasticLoadBalancer.java:571)
	at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:235)
	at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1465)
	at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:1505)
{code}



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