private void ShowCustomErrorPage(Exception exception)
{
HttpException httpException = exception as HttpException;
if (httpException == null)
{
httpException = new HttpException(500, "Internal Server Error", exception);
}
Response.Clear();
RouteData routeData = new RouteData();
routeData.Values.Add("controller", "Error");
routeData.Values.Add("fromAppErrorEvent", true);
switch (httpException.GetHttpCode())
{
case 403:
routeData.Values.Add("action", "AccessDenied");
break;
case 404:
routeData.Values.Add("action", "NotFound");
break;
case 500:
routeData.Values.Add("action", "InternalError");
break;
case 502:
routeData.Values.Add("action", "Unavailable");
break;
default:
routeData.Values.Add("action", "Index");
routeData.Values.Add("httpStatusCode", httpException.GetHttpCode());
break;
}
#if !DEBUG
ErrorLogManager errorLogManager = new ErrorLogManager();
ErrorLog log = new ErrorLog()
{
Message = exception.Message,
Name = exception.GetType().FullName,
StatusCode = httpException.GetHttpCode(),
StackTrace = exception.StackTrace
};
errorLogManager.AddAsync(log).ContinueWith(x => x.Dispose());
#endif
Server.ClearError();
IController controller = new ErrorController();
controller.Execute(new RequestContext(new HttpContextWrapper(Context), routeData));
}
public void OnException(ExceptionContext filterContext)
{
if (filterContext.ExceptionHandled || !filterContext.HttpContext.IsCustomErrorEnabled)
{
return;
}
var statusCode = (int)HttpStatusCode.InternalServerError;
if (filterContext.Exception is HttpException)
{
statusCode = (filterContext.Exception as HttpException).GetHttpCode();
}
else if (filterContext.Exception is UnauthorizedAccessException)
{
//to prevent login prompt in IIS
// which will appear when returning 401.
statusCode = (int)HttpStatusCode.Forbidden;
}
else
{
statusCode = 500;
}
#if !DEBUG
// Log the exception
ErrorLogManager errorLogManager = new ErrorLogManager();
ErrorLog log = new ErrorLog()
{
Message = filterContext.Exception.Message,
Name = filterContext.Exception.GetType().FullName,
StatusCode = statusCode,
StackTrace = filterContext.Exception.StackTrace,
ActionName = (string)filterContext.RouteData.Values["action"],
ControllerName = (string)filterContext.RouteData.Values["controller"]
};
errorLogManager.AddAsync(log).ContinueWith(x => x.Dispose());
#endif
var result = CreateActionResult(filterContext, statusCode);
filterContext.Result = result;
// Prepare the response code.
filterContext.ExceptionHandled = true;
filterContext.HttpContext.Response.Clear();
filterContext.HttpContext.Response.StatusCode = statusCode;
filterContext.HttpContext.Response.TrySkipIisCustomErrors = true;
}