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  1. HBase
  2. HBASE-11947

NoSuchElementException in balancer for master regions

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 0.99.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      I've seen this in a local mode cluster running LTT:

      2014-09-11 00:04:11,293 ERROR [localhost,63272,1410418744870-BalancerChore] balancer.BalancerChore: Caught exception
      java.util.NoSuchElementException
      	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:925)
      	at java.util.HashMap$KeyIterator.next(HashMap.java:956)
      	at org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer.balanceMasterRegions(BaseLoadBalancer.java:968)
      	at org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.balanceCluster(StochasticLoadBalancer.java:210)
      	at org.apache.hadoop.hbase.master.HMaster.balance(HMaster.java:982)
      	at org.apache.hadoop.hbase.master.balancer.BalancerChore.chore(BalancerChore.java:50)
      	at org.apache.hadoop.hbase.Chore.run(Chore.java:80)
      	at java.lang.Thread.run(Thread.java:745)
      
      

      Jimmy Xiang FYI.

        Attachments

        1. HBASE_11947-v1.patch
          1 kB
          Sergey Soldatov

          Activity

            People

            • Assignee:
              sergey.soldatov Sergey Soldatov
              Reporter:
              enis Enis Soztutar
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              Dates

              • Created:
                Updated:
                Resolved: