Hello all
I'm hoping someone may be able to help me either diagnose a problem or
at least discount a potential candidate.
I have a Plone 2.5 site where, under certain circumstances, the
at_post_edit_script hook on one of my content types inserts into a
PostgreSQL database.
In 8 cases out of a total of 8,500 the insert never took place. The
changes to the object were successfully saved (so processForm worked
fine) and there are no errors in the logs. There are no exception
handlers wrapped around my code. I know from experience that relational
database failures definitely get logged, and often break the site as well.
The only thing in my logs anywhere near the edit events are ZODB
Database Conflicts. Could these be causing the ZPsycopgDA transaction
manager to roll back my PostgreSQL transaction, even though the changes
were successfully made to the content?
And if they are the cause, can anyone advise me at what level I should
be looking to trap them to avoid my data being chucked away?
I'm clutching at straws a bit here, but the code path is so simple and
the logs are so empty that unless the answer is "gremlins" I'm stumped.
All help, as always, very gratefully received.
Cheers
Andy
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