Hello

I have a registration form with action method that goes like this (if all validation passes):

        public String register(User user) throws NoSuchAlgorithmException {
                if (!checkLoginAvailable(user)) {
                        FacesContext.getCurrentInstance().addMessage("register:loginDecorate:login",
                                new FacesMessage("This login is already taken, try another one."));
//                      facesMessages.addToControl("register:loginDecorate:login",
//                              "This login is already taken, try another one.");
                        return "fail";
                }
        ...
        return "ok";
        }

Pages.xml has render after fail outcome. Registration form is rerendered - this all works fine. Originally I wanted to use line that's commented out - the trouble is that no message appeared. Using FacesContext... line all works out. I debugged the code and found out that my messages are stuck in tasks field at that moment. I've tried afterPhase static method (out of desperation ;-)) but still no result.

What is the real difference between those two approaches? I know that FacesMessages support messages over redirect, etc, etc... but how can I use them for this simple task?

Thank you