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From "Kathey Marsden (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-4589) Corrupted database prevents startup and should be automatically repaired perhaps
Date Fri, 09 Dec 2011 01:41:39 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165742#comment-13165742
] 

Kathey Marsden commented on DERBY-4589:
---------------------------------------

I don't think it would be good to change the behavior which has always existed which is that
Derby will not attempt to create a database in a directory that already exists.  Also I think
we never should delete user files on database creation. The corruption might be something
other than a failed create attempt.  I actually have seen user cases come in where someone
had deleted the service.properties file and we were able to recover their data by reconstructing
the file. If Derby had simply blown it away, such recovery would not have been possible.


But yes, it looks like for DERBY-5526,  the problem is the new error message has been thrown
where it shouldn't be, so fixing  that should resolve the issue for the user expecting the
old error in that case.



                
> Corrupted database prevents startup and should be automatically repaired perhaps
> --------------------------------------------------------------------------------
>
>                 Key: DERBY-4589
>                 URL: https://issues.apache.org/jira/browse/DERBY-4589
>             Project: Derby
>          Issue Type: Improvement
>          Components: Store
>    Affects Versions: 10.5.3.0
>         Environment: Windows 2000, SP4. J2SE 1.6
>            Reporter: Jeff Mckenzie
>            Assignee: Rick Hillegas
>             Fix For: 10.8.1.2, 10.9.0.0
>
>         Attachments: 2010-03.zip, Test_4589.java, Test_4589.java, derby-4589-01-ab-missingServiceProperties.diff,
derby-4589-01-ac-missingServiceProperties.diff
>
>
> I have found a database in my application that prevents startup due to it being corrupted.

> The driver reports that the database does not exist, even though it does. Then when my
app tries to create the database using ;create=true; on the URL it fails.
> I think this happened due to the app being killed in Task Manager while it was creating
the database.
> I have the database saved so that you can reproduce the problem. (I'm not sure if I can
attach it yet)

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