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Date: Wed, 21 Sep 2011 19:29:13 +0000 (UTC)
From: "Hudson (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HBASE-4153) Handle
 RegionAlreadyInTransitionException in AssignmentManager
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    [ https://issues.apache.org/jira/browse/HBASE-4153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13109809#comment-13109809 ] 

Hudson commented on HBASE-4153:
-------------------------------

Integrated in HBase-0.92 #8 (See [https://builds.apache.org/job/HBase-0.92/8/])
    HBASE-4153  Handle RegionAlreadyInTransitionException in AssignmentManager  
               (Ramkrishna)

tedyu : 
Files : 
* /hbase/branches/0.92/CHANGES.txt
* /hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
* /hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* /hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/regionserver/RegionAlreadyInTransitionException.java
* /hbase/branches/0.92/src/main/java/org/apache/hadoop/hbase/regionserver/RegionServerServices.java
* /hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/master/TestZKBasedOpenCloseRegion.java
* /hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/regionserver/handler/MockRegionServerServices.java
* /hbase/branches/0.92/src/test/java/org/apache/hadoop/hbase/regionserver/handler/TestOpenRegionHandler.java


> Handle RegionAlreadyInTransitionException in AssignmentManager
> --------------------------------------------------------------
>
>                 Key: HBASE-4153
>                 URL: https://issues.apache.org/jira/browse/HBASE-4153
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.92.0
>            Reporter: Jean-Daniel Cryans
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 0.92.0
>
>         Attachments: 4153-v3.txt, HBASE-4153_1.patch, HBASE-4153_2.patch, HBASE-4153_3.patch, HBASE-4153_4.patch, HBASE-4153_5.patch, HBASE-4153_6.patch
>
>
> Comment from Stack over in HBASE-3741:
> {quote}
> Question: Looking at this patch again, if we throw a RegionAlreadyInTransitionException, won't we just assign the region elsewhere though RegionAlreadyInTransitionException in at least one case here is saying that the region is already open on this regionserver?
> {quote}
> Indeed looking at the code it's going to be handled the same way other exceptions are. Need to add special cases for assign and unassign.

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