Vertx 虚拟线程孵化

https://github.com/vert-x3/vertx-virtual-threads-incubator/blob/main/examples/src/main/java/examples/HttpClientExample.java

public class HttpClientExample {

  public static void main(String[] args) {
    Vertx vertx = Vertx.vertx();

    HttpServer server = vertx.createHttpServer();
    server.requestHandler(request -> {
      request.response().end("Hello World");
    });
    Future<HttpServer> fut = server.listen(8080, "localhost");

    Async async = new Async(vertx);
    async.run(v -> {
      // Run on a Vert.x a virtual thread

      // Make sure server is started
      await(fut);

      // Make a simple HTTP request
      HttpClient client = vertx.createHttpClient();
      HttpClientRequest req = await(client.request(HttpMethod.GET, 8080, "localhost", "/"));
      HttpClientResponse resp = await(req.send());
      int status = resp.statusCode();
      Buffer body = await(resp.body());
      System.out.println("Got response '" + body + "'");
    });
  }
}

这里的 async 和 await 多此一举，只是把异步的 future 转成同步。感觉 Spring Webflux 和 Vertx 这类响应式的 Web 框架已经没必要了，使用基于虚拟线程的 Spring MVC 足矣，当然只是感觉没有实测过。

我也找了很久都没有关于 Servlet 和 JDBC 利用虚拟线程的文章