[Zope] ZODB Conflict, Thunked_TM and transaction hoseups

[Dieter Maurer]

Brad Clements writes:
 > I have an irritated customer whose data driven zope website is screwing up, seemingly 
 > due to ZODB Conflicts on StyleSheet.

 > ...
 > I also use SQLDict, maintaining a pool of SQLDict instances (they're expensive to 
 > create) in a Queue (stored in an external method)
 > 
 > After pulling an SQLDict from the queue, I attach a gvibDA connection to sqldict by 
 > calling the Interbase DA object (to get a db instance), then (from an external method) I 
 > call db._register() and then use the connection object from that thread.
I do not know SQLDict, but when it is a persistent object (or
contains persistent objects), your approach can give strange
errors because persistent objects read in one request are
accessed in a different request and maybe in a different connection.

This can lead to mysterious errors.


Dieter