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https://issues.apache.org/jira/browse/HBASE-5929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13267753#comment-13267753
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stack commented on HBASE-5929:
------------------------------
This seems uninterpretable as table name or region name
'org.apache.hadoop.hbase.TableNotFoundException: ROOT,,0'... I'd have expected
it to be "-ROOT-,,0" if hbase was to have any chance? Is this coming in via
jruby mighty Aravind? Does
'ad_daily,49842:2009-07-10,1269763588508.1997607018' exist on the cluster? (I
know I should look myself....).
> HBaseAdmin.majorCompact and hbase shell randomly throw exceptions when asked
> to majorcompact regions.
> -----------------------------------------------------------------------------------------------------
>
> Key: HBASE-5929
> URL: https://issues.apache.org/jira/browse/HBASE-5929
> Project: HBase
> Issue Type: Bug
> Components: client, shell
> Affects Versions: 0.92.1
> Environment: Linux Ubuntu Lucid 64bit
> Reporter: Aravind Gottipati
> Priority: Minor
>
> I have been noticing that calls to HBaseAdmin.majorCompact throws exceptions
> randomly for some regions. I could not find a pattern to these exception.
> The code I have simply does this
> admin.majorCompact(region.getRegionNameAsString()). admin is an instance of
> HBaseAdmin and region is an instance of HRegionInfo. The exception I get is
> org.apache.hadoop.hbase.TableNotFoundException: -ROOT-,,0
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.tableNameString(HBaseAdmin.java:1473)
> ~[hbase-0.92.1.jar:0.92.1]
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.compact(HBaseAdmin.java:1235)
> ~[hbase-0.92.1.jar:0.92.1]
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.majorCompact(HBaseAdmin.java:1209)
> ~[hbase-0.92.1.jar:0.92.1]
> at com.stumbleupon.hbaseadmin.HBaseCompact.compactAllServers(Unknown
> Source) [hbase_compact.jar:na]
> In this case it's the root region, but I get similar exceptions for other
> tables, like this.
> 2012-05-03 19:03:42,994 WARN [main] HBaseCompact: Could not compact:
> org.apache.hadoop.hbase.TableNotFoundException:
> ad_daily,49842:2009-07-10,1269763588508.1997607018
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.tableNameString(HBaseAdmin.java:1473)
> ~[hbase-0.92.1.jar:0.92.1]
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.compact(HBaseAdmin.java:1235)
> ~[hbase-0.92.1.jar:0.92.1]
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.majorCompact(HBaseAdmin.java:1209)
> ~[hbase-0.92.1.jar:0.92.1]
> at
> org.apache.hadoop.hbase.client.HBaseAdmin.majorCompact(HBaseAdmin.java:1196)
> ~[hbase-0.92.1.jar:0.92.1]
> at com.stumbleupon.hbaseadmin.HBaseCompact.compactAllServers(Unknown
> Source) [hbase_compact.jar:na]
> at com.stumbleupon.hbaseadmin.HBaseCompact.main(Unknown Source)
> [hbase_compact.jar:na]
> I see this on hbase shell as well. However, I don't see these exceptions if
> I use admin.majorCompact(region.getRegionName()), so it looks like something
> gets lost when I use getRegionNameAsString().
> Let me know if I can provide more information.
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