Do you have an <s:validate> tag around your control, or an <s:validateAll> tag around multiple controls? anonymous wrote : The only thing here that is specific to Seam is the <s:validateAll> tag. This JSF component tells JSF to validate | all the contained input fields against the Hibernate Validator annotations specified on the entity bean. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4043925#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...