+ } else if (this.request.status == 200 &&
+ this.request.responseXML == null) {
+ var err = new Error("XML response is empty but no error " +
+ "for " + savedUrlForErrorReporting);
+ err.code = -1;
+ if (this.errorHandler) {
+ this.errorHandler(err);
+ } else {
+ throw err;
+ }