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https://issues.apache.org/jira/browse/HBASE-12686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14246402#comment-14246402
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Rajeshbabu Chintaguntla commented on HBASE-12686:
-------------------------------------------------

I have written one test to reproduce the issue that is passing in trunk 
version. Failing in 0.98 and branch-1. It will not be a problem for 2.0.0.


> Failures in split before PONR not clearing the daughter regions from regions 
> in transition during rollback
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-12686
>                 URL: https://issues.apache.org/jira/browse/HBASE-12686
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment
>    Affects Versions: 0.98.9
>            Reporter: Rajeshbabu Chintaguntla
>            Assignee: Vandana Ayyalasomayajula
>            Priority: Blocker
>             Fix For: 1.0.0, 2.0.0, 0.98.9
>
>
> If there are any split failures then the both daughter regions left in 
> SPLITTING_NEW transition even after rollback, which will block balancing to 
> happen forever until unless master is restarted.



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