Healthcheck

README.md

Build

javac HealthCheck.java

Run

java HealthCheck

HealthCheck.java

import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class HealthCheck {
    public static void main(String[] args) {
        HttpClient client = HttpClient.newHttpClient();
        HttpRequest request = HttpRequest.newBuilder()
                .uri(URI.create("http://localhost:8080/"))
                .GET()
                .build();
        try {
            HttpResponse response = client.send(request, HttpResponse.BodyHandlers.ofString());
            if (response.statusCode() != 200) {
                System.out.println("Status  : " + response.statusCode());
                System.out.println("Headers : " + response.headers());
                System.out.println("Body    : " + response.body());
                System.exit(1);
            }
        } catch (IOException | InterruptedException e) {
            e.printStackTrace();
            System.exit(1);
        }
    }
}