[ http://jira.codehaus.org/browse/CONTINUUM-1921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=150748#action_150748 ] 

Eddie Lau commented on CONTINUUM-1921:
--------------------------------------

I saw the same error message when i *delete a project group* directly.

but in my case,
after i saw the message,
all the *build history has already gone*.

i have to manually remove all the non-default build definition,
before i can remove the project group successfully.



> foreign key constraint violation
> --------------------------------
>
>                 Key: CONTINUUM-1921
>                 URL: http://jira.codehaus.org/browse/CONTINUUM-1921
>             Project: Continuum
>          Issue Type: Bug
>          Components: Database
>    Affects Versions: 1.2
>         Environment: MS Windows XP SP3, java 1.6.0_02
>            Reporter: Aleksey
>
> Hi, I found a bug looks like [CONTINUUM-1385|http://jira.codehaus.org/browse/CONTINUUM-1385]
> I tried to delete an ant project from a group and get the following message (see below). Removing all the build results helped. I think there should be a delete cascade, not a contstraint.
> {noformat}
> javax.jdo.JDOUserException: One or more instances could not be deleted NestedThrowables: javax.jdo.JDODataStoreException: Delete request failed: DELETE FROM BUILDDEFINITION WHERE ID = ? NestedThrowables: SQL Exception: DELETE on table 'BUILDDEFINITION' caused a violation of foreign key constraint 'BUILDRESULT_FK2' for key (10). The statement has been rolled back.
> {noformat}
> Continuum 1.2 Build Number: 697023 

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