docs: public static void main(String[] args) throws Exception {
      BasicConfigurator.configure();
  
      initTracing();
      initStatsExporter();
  
      // Create http client that will trace requests. By default trace context is propagated using
      // w3c TraceContext propagator.
      // To use B3 propagation use following
      //    OcJettyHttpClient httpClient =
      //        new OcJettyHttpClient(
      //            new HttpClientTransportOverHTTP(),
      //            new SslContextFactory(),
      //            null,
      //            Tracing.getPropagationComponent().getB3Format());
      OcJettyHttpClient httpClient =
          new OcJettyHttpClient(
              new HttpClientTransportOverHTTP(), new SslContextFactory(), null, null);
  
      httpClient.start();
  
      do {
        HttpRequest request =
            (HttpRequest)
                httpClient
                    .newRequest("http://localhost:8080/helloworld/request")
                    .method(HttpMethod.GET);
        HttpRequest asyncRequest =
            (HttpRequest)
                httpClient
                    .newRequest("http://localhost:8080/helloworld/request/async")
                    .method(HttpMethod.GET);
        HttpRequest postRequest =
            (HttpRequest)
                httpClient
                    .newRequest("http://localhost:8080/helloworld/request")
                    .method(HttpMethod.POST);
        postRequest.content(new StringContentProvider("{\"hello\": \"world\"}"), "application/json");
  
        if (request == null) {
          logger.info("Request is null");
          break;
        }
  
        request.send();
        asyncRequest.send();
        postRequest.send();
        try {
          Thread.sleep(15000);
        } catch (Exception e) {
          logger.error("Error while sleeping");
        }
      } while (true);
    }