try (CloseableHttpClient client = HttpClients.createDefault()) {
            HttpUriRequest request = new HttpGet("https://map.geo.ti.ch/oereb2/image/symbol/ch.Nutzungsplanung/legend_entry.png?identifier=423441325078");
            HttpContext context = null;

            for (int i = 1; i < 7; i++) {
                System.out.println("i = " + i);
                HttpResponse response = client.execute(request, context);
                System.out.println(response.getReasonPhrase());
            }
        }