[Zope-dev] Re: How bad _are_ ConflictErrors

[Dennis Allison]

Thanks, I'll take a look.   

On Wed, 23 Nov 2005, Michael Dunstan wrote:

> On 11/22/05, Florent Guillaume <fg at nuxeo.com> wrote:
> > Dennis Allison wrote:
> > > *** you are correct -- this is the easy hack on the event.log.  It's much
> > > harder to know how many make it out to the user.  We have an associated
> > > bug in the MySQL interface which generates threading errors, apparently
> > > triggered by a conflict error and the subsequent backout.  These occur
> > > with most conflicts which involve the database--almost every conflict with
> > > our system structure.
> >
> > I'm actually not sure what's logged when a Conflict Error makes it back
> > to the users, offhand I don't see anything in my logs. Can someone
> > confirm or infirm that fact?
> >
> > If nothing is logged, I'll add something at level ERROR.
> >
> > BTW does someone have a handy script to provoke conflict errors on a
> > naked Zope?
> 
> There is a doctest that might be useful here. See the last half of
> testPublisher() in lib/python/ZPublisher/tests/testPublish.py which
> tests the behavior of the publisher in the face of one or more
> ConflictErrors.
> 

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