+ "Selector");
acResolver = (AccessControllerResolver) serviceSelector
.select(AccessControllerResolver.DEFAULT_RESOLVER);
String url = doc.getCanonicalWebappURL();
AccessController accessController = acResolver.resolveAccessController(url);
if (accessController instanceof DefaultAccessController) {
DefaultAccessController defaultAccessController = (DefaultAccessController) accessController;
accreditableManager = defaultAccessController.getAccreditableManager();
Authorizer[] authorizers = defaultAccessController.getAuthorizers();
for (int i = 0; i < authorizers.length; i++) {