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https://issues.apache.org/jira/browse/HBASE-21465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16687518#comment-16687518
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Hudson commented on HBASE-21465:
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Results for branch master
        [build #606 on 
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/master/606/]: (x) 
*{color:red}-1 overall{color}*
----
details (if available):

(/) {color:green}+1 general checks{color}
-- For more information [see general 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/606//General_Nightly_Build_Report/]




(x) {color:red}-1 jdk8 hadoop2 checks{color}
-- For more information [see jdk8 (hadoop2) 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/606//JDK8_Nightly_Build_Report_(Hadoop2)/]


(x) {color:red}-1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3) 
report|https://builds.apache.org/job/HBase%20Nightly/job/master/606//JDK8_Nightly_Build_Report_(Hadoop3)/]


(/) {color:green}+1 source release artifact{color}
-- See build output for details.


(/) {color:green}+1 client integration test{color}


> Retry on reportRegionStateTransition can lead to unexpected errors
> ------------------------------------------------------------------
>
>                 Key: HBASE-21465
>                 URL: https://issues.apache.org/jira/browse/HBASE-21465
>             Project: HBase
>          Issue Type: Sub-task
>          Components: amv2
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0, 2.2.0
>
>         Attachments: HBASE-21465-UT.patch, HBASE-21465-v1.patch, 
> HBASE-21465-v2.patch, HBASE-21465-v3.patch, HBASE-21465-v4.patch, 
> HBASE-21465.patch
>
>
> It is possible that the reportRegionStateTransition method is succeeded at 
> master side, but before returning the the region server, the rpc connection 
> is broken, or the master restarts. So next when the region server try 
> again,we will find that the state for the region and the TRSP is not correct, 
> and can lead to a RS abort or something even worse.
> We should be able to determine whether a reportRegionStateTransition call is 
> just a retry and has already been succeeded, and just ignore it.



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