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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-11947) NoSuchElementException in balancer for master regions
Date Thu, 11 Sep 2014 07:27:33 GMT
Enis Soztutar created HBASE-11947:
-------------------------------------

             Summary: NoSuchElementException in balancer for master regions
                 Key: HBASE-11947
                 URL: https://issues.apache.org/jira/browse/HBASE-11947
             Project: HBase
          Issue Type: Bug
            Reporter: Enis Soztutar
             Fix For: 0.99.1


I've seen this in a local mode cluster running LTT:
{code}
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)

{code}

[~jxiang] FYI. 



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