public override void Process(HttpRequestArgs args) { Assert.ArgumentNotNull(args, "args"); if (Utils.UrlUtil.IsValidUrls(args.LocalPath)) { return; } if (Context.Item != null) { return; } var itemNotFoundPageItemPath = this._sitecoreContext.ItemNotFoundPage; if (string.IsNullOrWhiteSpace(itemNotFoundPageItemPath)) { return; } var pageNotFoundItem = UrlUtil.GetPageNotFoundItem(itemNotFoundPageItemPath); RedirectUtil.Do404Redirect(HttpContext.Current.Response, pageNotFoundItem); Log.Warn("The 'Not Found Page: {0} shows no content when rendered!", itemNotFoundPageItemPath); }