Main.java

public class Main {

  public static void main(String[] args) {
     HTTPClientResponseResolver resolver = HTTPClientResponseResolver.createMultithreadedInstance();
     HttpClient client = resolver.getClient();
     HttpConnectionManagerParams params = client.getConnectionManager().getParams();
     params.setDefaultMaxConnectionsPerHost(5);
     params.setMaxTotalConnections(20);
  }

}