hi roland, simple answer: you can't. the observation is triggered asynchronously. synchronous, vetoable observation will be part of the discussion for jsr283.
what is the need for this? for simple constaints, you can use the constraints in the property definition. regards, toby On 11/21/05, Roland Kofler <[EMAIL PROTECTED]> wrote: > We tried to vetoing a propery change by throwing an exception in the > callback. Doesn't work. how do you veto in Jackrabbit? > > thanks > Roland > -- -----------------------------------------< [EMAIL PROTECTED] >--- Tobias Bocanegra, Day Management AG, Barfuesserplatz 6, CH - 4001 Basel T +41 61 226 98 98, F +41 61 226 98 97 -----------------------------------------------< http://www.day.com >---