ASP MVC Application

MvcApplication

    public class MvcApplication : HttpApplication
    {
        public MvcApplication()
        { }

        void Application_Error(object sender, EventArgs e)
        {
            var httpContext = ((MvcApplication)sender).Context;
            var exception = Server.GetLastError();
            
            Server.ClearError();
            httpContext.ClearError();
            httpContext.Response.Clear();
            httpContext.Response.StatusCode = exception is HttpException ? ((HttpException)exception).GetHttpCode() : 500;
            httpContext.Response.TrySkipIisCustomErrors = true;

            var handlers = DependencyResolver.Current.GetServices<HandleErrorAttribute>();
            var handler = handlers.FirstOrDefault();
            if (handler != null)
            {
                var filterContext = new ExceptionContext
                {
                    ExceptionHandled = false,
                    Exception = exception
                };
                handler.OnException(filterContext);
            }
        }

        protected void Application_Start()
        {
            StartFramework();

            AreaRegistration.RegisterAllAreas();

            foreach (var filter in DependencyResolver.Current.GetServices<HandleErrorAttribute>())
                GlobalFilters.Filters.Add(filter);

            RouteConfig.RegisterRoutes(RouteTable.Routes);
        }

        private void StartFramework()
        {
            var bootstrapper = new Bootstraper();
            var builder = bootstrapper.Init();

            builder.RegisterInstance<HttpApplication>(this).SingleInstance();

            bootstrapper.Start();

            var container = bootstrapper.Container;

            DependencyResolver.SetResolver(new AutofacDependencyResolver(container));
        }
    }