Method writeFastError

server.go:3082–3103

(w io.Writer, statusCode int, msg string)

}

func (s *Server) writeFastError(w io.Writer, statusCode int, msg string) {
	w.Write(formatStatusLine(nil, strHTTP11, statusCode, s2b(StatusMessage(statusCode)))) //nolint:errcheck

	server := s.getServerName()
	if server != "" {
		server = fmt.Sprintf("Server: %s\r\n", server)
	}
	date := ""
	if !s.NoDefaultDate {
		serverDateOnce.Do(updateServerDate)
		date = fmt.Sprintf("Date: %s\r\n", serverDate.Load())
	}

	fmt.Fprintf(w, "Connection: close\r\n"+
		server+
		date+
		"Content-Type: text/plain\r\n"+
		"Content-Length: %d\r\n"+
		"\r\n"+
		"%s",
		len(msg), msg)
}

func defaultErrorHandler(ctx *RequestCtx, err error) {
	if _, ok := err.(*ErrSmallBuffer); ok {