null because this handler cannot provide
credentials from the request.j_reason request parameter.SelectorAuthenticationHandler is a pseudo authentication
handler which only implements the
requestCredentials(HttpServletRequest, HttpServletResponse) method
to cause an input form to be rendered for the client to be able to provide
credentials.SelectorFormServlet provides the default login form used for
Form Based or OpenID Authentication.Copyright © 2007–2014 The Apache Software Foundation. All rights reserved.