I found that the booking example wasn't adding jboss-seam-ui.jar to the build, and after copying it into WEB-INF/lib, it seems to work fine. Validation errors are looking a little strange, giving me the form id unbidden, like so: j_id16:password: Validation Error: Value is required. But I suspect that's a new default from somewhere, and I could probably fix or work around it easily. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3978417#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...