[Cc zope-dev and not zope3-dev anymore as my question is now zope 2 related...] Ok so Jim mentionned it was possible to do rollback of subtransactions in Zope 2. How can I do that ? What's the idiom that would be equivalent to: tid = startSubTransaction() ... if something: rollbackSubTransaction(tid) Thanks, Florent Steve Alexander wrote:

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Why are you catching the exception?

Because I want to display a nice message to the user. If I don't catch the exception, it will go up to the Publisher that will display a not-nice error message. Hm are you suggesting I could provide a custom error message for that particular exception? That could work, but I would have like the flexibility of catching the exception from normal skin code and display my error message there.

Jim already mentioned a customised view on the exception.

Another option that is not as architecturally clean, but might work better for you, is to catch the exception, but doom the transaction.

I wonder if it's a good idea to support having an application say "I want to doom this transaction", and have the publication object just abort that transaction without returning an error page.

-- Steve Alexander

-- Florent Guillaume, Nuxeo (Paris, France) +33 1 40 33 79 87 http://nuxeo.com mailto:fg@nuxeo.com