AuthenticationException authException) throws IOException, ServletException {
HttpServletRequest hrequest = (HttpServletRequest)request;
HttpServletResponse hresponse = (HttpServletResponse)response;
String redirectUrl = null;
FederationContext fedContext = federationConfig.getFederationContext();
if (LOG.isDebugEnabled()) {
LOG.debug("Federation context: " + fedContext);
}
try {
FederationProcessor wfProc = new FederationProcessorImpl();