UrlMappingInfo urlMappingInfo = null;
if (t != null) {
// stackFilterer.filter(t, true);
urlMappingInfo = urlMappingsHolder.matchStatusCode(statusCode, t);
if (urlMappingInfo == null) {
urlMappingInfo = urlMappingsHolder.matchStatusCode(statusCode, GrailsExceptionResolver.getRootCause(t));
}
}
if (urlMappingInfo == null) {
urlMappingInfo = urlMappingsHolder.matchStatusCode(statusCode);