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  1. HBase
  2. HBASE-10726

Fix java.lang.ArrayIndexOutOfBoundsException in StochasticLoadBalancer$LocalityBasedCandidateGenerator

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.96.2, 0.98.1, 0.99.0, hbase-10070
    • Component/s: None
    • Labels:
      None

      Description

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

      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)

        Attachments

        1. hbase-10726_v1.patch
          3 kB
          Enis Soztutar

          Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. HBASE-10632 Region lost in limbo after ArrayIndexOutOfBoundsException during assignment

          • Major - Major loss of function.
          • Closed

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              People

              • Assignee:
                enis Enis Soztutar
                Reporter:
                enis Enis Soztutar
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                Dates

                • Created:
                  Updated:
                  Resolved: