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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4301) META migration from 0.90 to trunk fails
Date Sat, 03 Sep 2011 15:46:10 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13096682#comment-13096682
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Ted Yu commented on HBASE-4301:
-------------------------------

I reproduced Sebastian's case.
When I clicked on .META. table link, I got:
{code}
org.apache.hadoop.hbase.TableNotFoundException: Table '.META.' was not found, got: .
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegionInMeta(HConnectionManager.java:916)
	at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:765)
{code}
This means HRegionInfo retrieved from region server carries empty table name.
There is no exception in master or region server logs around the time I clicked the link.

> META migration from 0.90 to trunk fails
> ---------------------------------------
>
>                 Key: HBASE-4301
>                 URL: https://issues.apache.org/jira/browse/HBASE-4301
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: Ted Yu
>            Priority: Blocker
>             Fix For: 0.92.0
>
>         Attachments: 4301.txt, 4301_v2.txt, logs.tar.gz, master-log.txt
>
>
> I started a trunk cluster as an upgrade from 0.90.4ish, and now my META table is screwed.
I can't scan it, etc, and other operations fail.

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