Getting the HTTP request body fails in 3.0.0-milestone2 (line 68)

GetRequestBodyExample.java

package loadbalancer.verticles;

import io.vertx.core.AbstractVerticle;
import io.vertx.core.http.HttpClient;
import io.vertx.core.http.HttpClientOptions;
import io.vertx.core.http.HttpClientRequest;
import io.vertx.core.http.HttpMethod;
import io.vertx.core.http.HttpServer;
import io.vertx.core.http.HttpServerOptions;
import io.vertx.core.http.HttpServerResponse;
import io.vertx.core.logging.Logger;
import io.vertx.core.logging.impl.LoggerFactory;
import io.vertx.ext.apex.core.Router;

import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.util.concurrent.TimeUnit;

public class GetRequestBodyExample extends AbstractVerticle {

	private Logger logger;
	private static final String RESOURCE_PATH = "/http/path";

	public void start() {
		logger = LoggerFactory.getLogger(GetRequestBodyExample.class);
		startServer();
		vertx.setTimer(2000, id -> {
			startClient();
		});
	}

	private void startClient() {
		HttpClientOptions options = new HttpClientOptions();
		HttpClient client = vertx.createHttpClient(options);
		try {
			HttpClientRequest request = client.request(HttpMethod.POST, 999,
					"localhost", RESOURCE_PATH, response -> {
						// nothing dodo
				});

			String body = "{anykey:'lorem ipsum'}";
			request.putHeader("Content-Type", "application/json");
			request.putHeader("Content-Length",
					String.valueOf(body.getBytes("UTF-8").length));
			request.setTimeout(TimeUnit.SECONDS.toMillis(5));
			request.write(body, "UTF-8");
			request.end();
		} catch (UnsupportedEncodingException e) {
			logger.error(e.getMessage());
		} finally {
			client.close();
		}

	}

	public void startServer() {
		HttpServerOptions options = new HttpServerOptions();
		options.setPort(999);
		HttpServer server = vertx.createHttpServer(options);

		Router router = Router.router(vertx);
		router.route()
				.method(HttpMethod.POST)
				.path(RESOURCE_PATH)
				.handler(
						routingContext -> {
							try {
								String body = routingContext.getBodyAsString();
								if (body == null) {
									logger.error("Getting the request body failed!!!");
									routingContext.response().setStatusCode(
											HttpURLConnection.HTTP_NOT_FOUND);
									return;
								}

								logger.info("Works as expected");
								HttpServerResponse response = routingContext
										.response();
								response.setStatusCode(HttpURLConnection.HTTP_OK);
								response.putHeader("Content-Length",
										String.valueOf(0));
							} finally {
								routingContext.response().end();
							}
						});
		server.requestHandler(router::accept).listen();
	}
}