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https://issues.apache.org/jira/browse/HBASE-3502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990779#comment-12990779
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stack commented on HBASE-3502:
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I was thinking its not end of world if we don't write the .regioninfo. If we
throw an exception, then region will never open.
> Can't open region because can't open .regioninfo because
> AlreadyBeingCreatedException
> -------------------------------------------------------------------------------------
>
> Key: HBASE-3502
> URL: https://issues.apache.org/jira/browse/HBASE-3502
> Project: HBase
> Issue Type: Bug
> Reporter: stack
> Assignee: stack
> Priority: Critical
> Fix For: 0.90.1
>
> Attachments: 3502.txt
>
>
> Testing killing .META. I tripped over this one. Last thing seen on
> regionserver killed was:
> {code}
> 2011-02-02 21:44:48,379 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> Instantiated
> TestTable,0591556500,1296683085472.76c9a32c5f068d16240e42a15fed8417.
> {code}
> ... which means we could have been inside checkRegioninfoOnFilesystem when we
> were killed.
> This tries to create the .regioninfo file. Seems like that was started over
> at the NN but then the RS died shortly afterward. Its stopping the Region
> opening. I suppose I could try and open it for append to shut it then reopen?
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