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https://issues.apache.org/jira/browse/HBASE-7698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569817#comment-13569817
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Jimmy Xiang commented on HBASE-7698:
------------------------------------
Ram, should we set transitionToFailedOpen to true inside the
tryTransitionFromOpeningToFailedOpen method?
I have seen some other errors related to Filesystem being closed while shutdown
the mini cluster (or some nodes).
Is it possible to make sure Filesystem is not closed before all others are
closed/shutdown?
> race between RS shutdown thread and openregionhandler causes region to get
> stuck
> --------------------------------------------------------------------------------
>
> Key: HBASE-7698
> URL: https://issues.apache.org/jira/browse/HBASE-7698
> Project: HBase
> Issue Type: Bug
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Attachments: HBASE-7698.patch
>
>
> 2013-01-22 17:59:03,237 INFO [Shutdown of
> org.apache.hadoop.hbase.fs.HFileSystem@5984cf08]
> hbase.MiniHBaseCluster$SingleFileSystemShutdownThread(186): Hook closing
> fs=org.apache.hadoop.hbase.fs.HFileSystem@5984cf08
> ...
> 2013-01-22 17:59:03,411 DEBUG
> [RS_OPEN_REGION-10.11.2.92,50661,1358906192942-0] regionserver.HRegion(1001):
> Closing
> IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.:
> disabling compactions & flushes
> 2013-01-22 17:59:03,411 DEBUG
> [RS_OPEN_REGION-10.11.2.92,50661,1358906192942-0] regionserver.HRegion(1023):
> Updates disabled for region
> IntegrationTestRebalanceAndKillServersTargeted,66666660,1358906196709.0200b366bc37c5afd1185f7d487c7dfb.
> 2013-01-22 17:59:03,415 ERROR
> [RS_OPEN_REGION-10.11.2.92,50661,1358906192942-0] executor.EventHandler(205):
> Caught throwable while processing event M_RS_OPEN_REGION
> java.io.IOException: java.io.IOException: java.io.IOException: Filesystem
> closed
> at
> org.apache.hadoop.hbase.regionserver.HRegion.doClose(HRegion.java:1058)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:974)
> at org.apache.hadoop.hbase.regionserver.HRegion.close(HRegion.java:945)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.cleanupFailedOpen(OpenRegionHandler.java:459)
> at
> org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:143)
> at
> org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:202)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:680)
> tryTransitionFromOpeningToFailedOpen or transitionToOpened below is never
> called and region can get stuck.
> As an added benefit, the meta is already written by that time.
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