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From "stack (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2668) [hbase] After 2643, cluster won't start if FS was created by an older hbase version
Date Sat, 19 Jan 2008 23:18:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2668?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HADOOP-2668:
--------------------------

    Attachment: migrate.patch

Changed the checkVersion to throw an FNFE if version file is not present.  Up in the master,
catch any FNFE and create the version file (logging fact at WARN level).  Also changed version
from 0.1 to 1.  1 will sit better as prefix for migration scripts and integers are how RPC
and classes are versioned.

> [hbase] After 2643, cluster won't start if FS was created by an older hbase version
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-2668
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2668
>             Project: Hadoop
>          Issue Type: Bug
>          Components: contrib/hbase
>            Reporter: stack
>            Priority: Blocker
>             Fix For: 0.16.0
>
>         Attachments: migrate.patch
>
>
> Hbase now checks for a version file.  If none, it reports a version mismatch.  There
will be no version file if the hbase was made by a version older than r613469

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