[Zope] Duplicated keys in a BTreeFolder2

[Andreas Jung]

--On Donnerstag, 7. August 2003 10:11 Uhr +0200 Thierry Florac 
<thierry.florac at onf.fr> wrote:

>
>   Hi,
>
> I currently use a custom subclass of BTreeFolder2 to store my site's
> users  profiles (currently 3700).
>
> I've noticed several problems :
>  - several keys (= user ids) are duplicated in this folder ; in the ZMI,
> these  duplicated keys appear at the start of the list, unordered.
>  - some keys are duplicated more than once ; if I try to delete one of
> them,  the other duplicated keys are kept and can't be deleted, because
> the object  doesn't exist !!!
>  - if I try to cut a duplicated object and paste it into another folder,
> I  receive an error message, saying that I'm trying to paste an object
> from a  foreign database connection !!!
>
> So here are my questions :
>  - is it a bug in BTreeFolder2 ?? Can I avoid this ?
>  - are duplicated keys pointing to the same object or no ?
>  - is it possible to repair this, without losing currently stored objects
> ??

Do you have a unittest to reproduce this? What Zope version are you running?
This might be a problem with BTrees.

-aj