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https://issues.apache.org/jira/browse/HBASE-14407?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stack updated HBASE-14407:
--------------------------
Affects Version/s: 1.3.0
1.2.0
Priority: Critical (was: Major)
Component/s: Region Assignment
Thanks for fiilng this one [~zhoushuaifeng2] By any chance, do you have
extract from master logs where this happened? Would help doing up fix.
Marked this critical.
> NotServingRegion: hbase region closed forever
> ---------------------------------------------
>
> Key: HBASE-14407
> URL: https://issues.apache.org/jira/browse/HBASE-14407
> Project: HBase
> Issue Type: Bug
> Components: Region Assignment
> Affects Versions: 0.98.10, 1.2.0, 1.1.2, 1.3.0
> Reporter: Shuaifeng Zhou
> Assignee: Shuaifeng Zhou
> Priority: Critical
> Attachments: hs4.log, master.log
>
>
> I found a situation may cause region closed forever, and this situation
> happend usually on my cluster, version is 0.98.10, but 1.1.2 also have the
> problem:
> 1, master send region open to regionserver
> 2, rs open a handler do openregion
> 3, rs return resopnse to master
> 3, master not received the response, or timeout, send open region again
> 4, rs already opened the region
> 5, master processAlreadyOpenedRegion, update regionstate open in master
> memory
> 6, master received zk message region opened(for some reason late, eg: net
> work), and triger update regionstate open, but find that region already
> opened, ERROR!
> 7, master send close region, and region be closed forever.
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