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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2013/03/28 19:57:15 UTC
[jira] [Updated] (HBASE-8215) Removing existing .regioninfo in
writeRegioninfoOnFilesystem
[ https://issues.apache.org/jira/browse/HBASE-8215?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang updated HBASE-8215:
-------------------------------
Attachment: 0.94-8215.patch
Just copied the similar fix in HBASE-7807
> Removing existing .regioninfo in writeRegioninfoOnFilesystem
> ------------------------------------------------------------
>
> Key: HBASE-8215
> URL: https://issues.apache.org/jira/browse/HBASE-8215
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.94.6
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Priority: Minor
> Attachments: 0.94-8215.patch
>
>
> If HRegion#writeRegioninfoOnFilesystem:
> {code}
> if (fs.exists(regioninfoPath) &&
> fs.getFileStatus(regioninfoPath).getLen() > 0) {
> return;
> }
> {code}
> If the file exists and its length is 0, the file should be removed. This issue has been fixed in trunk with HBASE-7807. We need to fix it in 0.94 as well. Otherwise, we will get this error:
> {noformat}
> 2013-03-27 16:57:27,143 ERROR org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler: Failed open of region=t1,r4_38,1364392356229.dec30602f4805a3e640871185ae900aa.
> java.io.IOException: Unable to rename hdfs://hbase-6.ent.cloudera.com:17020/hbase/t1/dec30602f4805a3e640871185ae900aa/.tmp/.regioninfo to hdfs://hbase-6.ent.cloudera.com:17020/hbase/t1/dec30602f4805a3e640871185ae900aa/.regioninfo
> at org.apache.hadoop.hbase.regionserver.HRegion.checkRegioninfoOnFilesystem(HRegion.java:639)
> at org.apache.hadoop.hbase.regionserver.HRegion.initialize(HRegion.java:426)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3308)
> at org.apache.hadoop.hbase.regionserver.HRegion.openHRegion(HRegion.java:3256)
> at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.openRegion(OpenRegionHandler.java:331)
> at org.apache.hadoop.hbase.regionserver.handler.OpenRegionHandler.process(OpenRegionHandler.java:107)
> at org.apache.hadoop.hbase.executor.EventHandler.run(EventHandler.java:169)
> 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:662)
> {noformat}
> And the region can't be opened, so that stuck in transition.
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