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From "Emmanuel Lecharny (JIRA)" <j...@apache.org>
Subject [jira] Created: (DIRSERVER-1155) Use the rollback mechanism to restore the base when schema is modified
Date Fri, 21 Mar 2008 23:15:24 GMT
Use the rollback mechanism to restore the base when schema is modified
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                 Key: DIRSERVER-1155
                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1155
             Project: Directory ApacheDS
          Issue Type: New Feature
    Affects Versions: 1.5.1
            Reporter: Emmanuel Lecharny
            Priority: Critical
             Fix For: 2.0.0


It would be a great improvement to be able to rollback a schema modification if the schema
is invalid. 

For instance, injecting a wrong schema will result in an error when restarting the server,
forbiding you to use the server anymore, unless the schema directory is destroyed.

This is axceptable if you inject the modifications in one shot, but certainly not if it's
done little by little.

I wouls suggest that we track schema modifications somwhere in the DIT (like what we do with
LDIF inject files), and allow the user to launch the server with an option telling the server
to restart in the latest correct schema version.

Another option would be to revert to the previous version if we get an error while loading
the schema.

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