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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-5929) HBaseAdmin.compact and flush are giving confusing errors for ROOT, META, and regions that don't exist
Date Sat, 11 Apr 2015 01:31:13 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-5929.
-----------------------------------
    Resolution: Cannot Reproduce

Reopen if still an issue with current code

> HBaseAdmin.compact and flush are giving confusing errors for ROOT, META, and regions
that don't exist
> -----------------------------------------------------------------------------------------------------
>
>                 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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