authPage = PathUtil.concat(authPage,"proxyPath",'?');
authPage = PathUtil.concat(authPage,postToProxy,'=');
// passing redirectURL as a parameter to the authentication page
authPage = PathUtil.concat(authPage,"redirectURL",'&');
authPage = PathUtil.concat(authPage,redirectUrl,'=');
context.sendRedirect(authPage);
} catch (IOException e) {
throw new ClientServicesException(null,"Authentication page not found. Could not redirect to login page");
}