This is just an update on this question, I am able to do the server custom constraint successfully using GWT 2.2
After checking the source code, I think GWT handles the validation the same way as other framework, hence I just following the guide below to create the customer constraint http://docs.jboss.org/hibernate/validator/4.0.1/reference/en/html/index.html and it just work ;-) -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to google-web-toolkit@googlegroups.com. To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
