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https://issues.apache.org/jira/browse/HBASE-6611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13480637#comment-13480637
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Hudson commented on HBASE-6611:
-------------------------------
Integrated in HBase-TRUNK #3466 (See
[https://builds.apache.org/job/HBase-TRUNK/3466/])
HBASE-6611 Forcing region state offline cause double assignment (Revision
1400358)
Result = FAILURE
jxiang :
Files :
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/RegionTransition.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignCallable.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/GeneralBulkAssigner.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/HMaster.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/OfflineCallback.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionState.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/RegionStates.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/ServerManager.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/EnableTableHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/master/handler/OpenedRegionHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/protobuf/RequestConverter.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/protobuf/ResponseConverter.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/protobuf/generated/AdminProtos.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ZooKeeperProtos.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/handler/OpenRegionHandler.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/util/KeyLocker.java
*
/hbase/trunk/hbase-server/src/main/java/org/apache/hadoop/hbase/zookeeper/ZKAssign.java
* /hbase/trunk/hbase-server/src/main/protobuf/Admin.proto
* /hbase/trunk/hbase-server/src/main/protobuf/ZooKeeper.proto
* /hbase/trunk/hbase-server/src/main/ruby/shell/commands/assign.rb
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestAssignmentManager.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/handler/TestCloseRegionHandler.java
*
/hbase/trunk/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/handler/TestOpenRegionHandler.java
> 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, trunk-6611_v5.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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