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https://issues.apache.org/jira/browse/HBASE-5502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222121#comment-13222121
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Hudson commented on HBASE-5502:
-------------------------------
Integrated in HBase-0.92-security #96 (See
[https://builds.apache.org/job/HBase-0.92-security/96/])
HBASE-5502 region_mover.rb fails to load regions back to original server
for regions only containing empty tables. (Revision 1295705)
Result = FAILURE
stack :
Files :
* /hbase/branches/0.92/CHANGES.txt
* /hbase/branches/0.92/bin/region_mover.rb
> region_mover.rb fails to load regions back to original server for regions
> only containing empty tables.
> -------------------------------------------------------------------------------------------------------
>
> Key: HBASE-5502
> URL: https://issues.apache.org/jira/browse/HBASE-5502
> Project: HBase
> Issue Type: Bug
> Components: scripts
> Affects Versions: 0.92.0
> Environment: Ubuntu precise
> Reporter: James Page
> Priority: Minor
> Fix For: 0.92.1, 0.94.0
>
> Attachments: HDFS-5502.patch
>
>
> The region_mover loadRegion function incorrectly uses 'isSuccessfulScan':
> {noformat}
> for r in regions
> exists = false
> begin
> exists = isSuccessfulScan(admin, r)
> rescue org.apache.hadoop.hbase.NotServingRegionException => e
> $LOG.info("Failed scan of " + e.message)
> end
> {noformat}
> isSuccessfulScan throws an exception when it fails rather than returning
> status.
> As a result empty regions don't get restored - this is the case in a fresh
> install (which is how I discovered this) with no user table.
> Modifying the code to set exists IF isSuccessfulScan does not throw an
> exception worked for me:
> {noformat}
> for r in regions
> exists = false
> begin
> isSuccessfulScan(admin, r)
> exists = true
> rescue org.apache.hadoop.hbase.NotServingRegionException => e
> $LOG.info("Failed scan of " + e.message)
> end
> {noformat}
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