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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-10726) Fix java.lang.ArrayIndexOutOfBoundsException in StochasticLoadBalancer$LocalityBasedCandidateGenerator
Date Wed, 12 Mar 2014 05:04:44 GMT

     [ https://issues.apache.org/jira/browse/HBASE-10726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enis Soztutar updated HBASE-10726:
----------------------------------

    Status: Patch Available  (was: Open)

> Fix java.lang.ArrayIndexOutOfBoundsException in StochasticLoadBalancer$LocalityBasedCandidateGenerator
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-10726
>                 URL: https://issues.apache.org/jira/browse/HBASE-10726
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Enis Soztutar
>            Assignee: Enis Soztutar
>             Fix For: 0.96.2, 0.98.1, 0.99.0, hbase-10070
>
>         Attachments: hbase-10726_v1.patch
>
>
> Recent fix in HBASE-10632 to StochasticLoadBalancer$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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