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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-2489) Make the "Filesystem needs to be upgraded" error message more useful.
Date Mon, 26 Apr 2010 18:26:36 GMT

    [ https://issues.apache.org/jira/browse/HBASE-2489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12861029#action_12861029
] 

Todd Lipcon commented on HBASE-2489:
------------------------------------

What does version null mean?

> Make the "Filesystem needs to be upgraded" error message more useful.
> ---------------------------------------------------------------------
>
>                 Key: HBASE-2489
>                 URL: https://issues.apache.org/jira/browse/HBASE-2489
>             Project: Hadoop HBase
>          Issue Type: Improvement
>          Components: util
>            Reporter: Benoit Sigoure
>            Assignee: Benoit Sigoure
>            Priority: Trivial
>         Attachments: 0001-Improve-the-error-message-File-system-needs-to-be-up.patch
>
>
> The other day, when starting HBase I got this error:
> {noformat}
> 2010-04-23 09:38:14,847 ERROR org.apache.hadoop.hbase.master.HMaster: Failed to start
master
> org.apache.hadoop.hbase.util.FileSystemVersionException: File system needs to be upgraded.
Run the '${HBASE_HOME}/bin/hbase migrate' script.
>         at org.apache.hadoop.hbase.util.FSUtils.checkVersion(FSUtils.java:187)
> {noformat}
> I was puzzled until I realized, after adding extra debug statements in the code, that
I forgot to properly set {{hbase.rootdir}} after re-deploying my dev environment.  I think
the message above was misleading and I'm proposing a trivial patch to make it a little bit
better:
> {noformat}
> 2010-04-23 09:48:29,000 ERROR org.apache.hadoop.hbase.master.HMaster: Failed to start
master
> org.apache.hadoop.hbase.util.FileSystemVersionException: File system needs to be upgraded.
 You have version null and I want version 7.  Run the '${HBASE_HOME}/bin/hbase migrate' script.
>         at org.apache.hadoop.hbase.util.FSUtils.checkVersion(FSUtils.java:189)
> {noformat}

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