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