[ZODB-Dev] NotImplementedError when attempting to undo transactions

[Carlos de la Guardia]

That's happened to me before. As Jim says, this error is not the culprit. If
you check the error log on the ZMI you will find the *real* error.

Carlos de la Guardia

On Fri, Oct 24, 2008 at 9:28 AM, Jim Fulton <jim at zope.com> wrote:

>
> On Oct 24, 2008, at 10:03 AM, Chris Withers wrote:
>
> > Jim Fulton wrote:
> >>>  File "/opt/Zope-2.11/lib/python/ZODB/DB.py", line 809, in abort
> >>>    raise NotImplementedError
> >>> NotImplementedError
> >> You can ignore this error. It has no consequence.
> >
> > What does it mean?
> > (It prevented my undo, which was a bit of a bummer :-S
>
> I don't think it does. I think something else is preventing the undo.
> This is being triggered when the transaction is aborted.
>
> >> There's a bunch of stuff going on in this code that really ought
> >> to  get cleaned up.  Among other things, that would eliminate this
> >> error.
> >
> > What is "this code"?
>
>
> The code supporting undo.  It uses an obsolete way to interact with
> the transaction manager and does that poorly. It should be rewritten.
>
> Jim
>
> --
> Jim Fulton
> Zope Corporation
>
>
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