Gotta look at all your logs, console, etc. Most likely it's a null pointer exception or a some sort of serialization issue because you have an object without a zero-arg constructor. Hard to tell with little info....
-- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
