[Zope3-dev] a ConflictError grabbag: problems and solutions in zope.app.keyreference and zope.app.session

[Gary Poster]

On Jun 14, 2007, at 4:45 PM, Dieter Maurer wrote:

> Gary Poster wrote at 2007-6-13 17:12 -0400:
>> ...
>> 2) The second problem is less serious, ...
>
> I doubt that this will help you much (we use such an implementation
> for many years and still see quite often session related conflicts).
> The reason:
>
>   Sessions are often in a temporary storage and this has a very
>   restricted history.
>
>   For conflict resolution, a sufficiently large history is
>   necessary (long enough to load the old state again).
>
>   Very often, the available history is not long enough to
>   resolve a conflict.

Agreed with the general observation, such as with temporary storage;  
in our case, however, we do have enough history.

Gary