in sample-apps/java/app/src/main/java/com/google/example/app/App.java [14:27]
public static void main(String[] args) throws java.io.IOException, InterruptedException {
com.google.example.utilities.Logging.initializeLogging();
log.info("Performing batch job work.");
String service = System.getenv("SERVICE_NAME");
HttpClient httpClient = HttpClient.newHttpClient();
HttpResponse<String> response = httpClient.send(java.net.http.HttpRequest.newBuilder()
.uri(java.net.URI.create(service))
.timeout(java.time.Duration.ofMinutes(2))
.GET()
.build(), BodyHandlers.ofString());
log.info("Processing complete, status: " + response.statusCode());
}