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https://issues.apache.org/jira/browse/HBASE-6611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13465256#comment-13465256
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Hadoop QA commented on HBASE-6611:
----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12546932/trunk-6611_v2.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 6 new or modified tests.
+1 hadoop2.0. The patch compiles against the hadoop 2.0 profile.
-1 javadoc. The javadoc tool appears to have generated 140 warning
messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
-1 findbugs. The patch appears to introduce 7 new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed unit tests in .
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/2955//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2955//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2955//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2955//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop1-compat.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2955//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/2955//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output:
https://builds.apache.org/job/PreCommit-HBASE-Build/2955//console
This message is automatically generated.
> Forcing region state offline cause double assignment
> ----------------------------------------------------
>
> Key: HBASE-6611
> URL: https://issues.apache.org/jira/browse/HBASE-6611
> Project: HBase
> Issue Type: Bug
> Components: master
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 0.96.0
>
> Attachments: trunk-6611_v2.patch
>
>
> In assigning a region, assignment manager forces the region state offline if
> it is not. This could cause double assignment, for example, if the region is
> already assigned and in the Open state, you should not just change it's state
> to Offline, and assign it again.
> I think this could be the root cause for all double assignments IF the region
> state is reliable.
> After this loophole is closed, TestHBaseFsck should come up a different way
> to create some assignment inconsistencies, for example, calling region server
> to open a region directly.
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