java Rest服务调用未触发处理程序

Question

我正在用vert写一份申请书。x和Java

我有一门课程，我在其中注册了基本休息服务的终点：

private void setRoutes(Router router){
router.route("/*").handler(StaticHandler.create());
router.get("/service").handler(req -> {
  getServices();//Call to Database and populate the services
  List<JsonObject> jsonServices = services
      .entrySet()
      .stream()
      .map(service ->
          new JsonObject()
              .put("name", service.getKey())
              .put("status", service.getValue()))
      .collect(Collectors.toList());
  req.response().setStatusCode(200)
      .putHeader("content-type", "application/json")
      .end(new JsonArray(jsonServices).encode());
});
router.post("/service").handler(req -> {
  JsonObject jsonBody = req.getBodyAsJson();
  addService(jsonBody);//Persist the service
  //services.put(jsonBody.getString("url"), "UNKNOWN");
  req.response()
      .putHeader("content-type", "text/plain")
      .end("OK");
});

我正在对Get/服务端点进行HTTP Get调用，如下所示，并尝试获取响应状态代码。但是每次线程卡在conn.getResponseCode（）上时，都不会发生任何事情

还有我的路由器。获取（“/service”）。处理程序从未被调用，在调试模式下，我可以看到ResponseCode的值为-1。从邮递员当我点击这个网址，我能够得到正确的结果，也从浏览器我可以得到正确的结果。为什么不返回状态代码200。此外，它也不去捕捉或最后块

private void checkService(String key,DBConnector connector) {


 
// TODO Auto-generated method stub
try {
    URL url = new URL("http://localhost:8080/service");
    System.out.println(url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    conn.setConnectTimeout(50);
    conn.connect();

    
    if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
        //Update the status of the URL to OK
        connector.query("UPDATE service set status = 'OK' where name = ?",new JsonArray().add(key)).setHandler(res -> {
            if (res.succeeded()) {
               System.out.println("Status updated to OK");
                }
                
             else {
                //Handle this properly later
                System.out.println("Failed to update the status to OK");
                
            }
        });
    }
    else {
        connector.query("UPDATE service set status = 'FAIL' where name = ?",new JsonArray().add(key)).setHandler(res -> {
            if (res.succeeded()) {
               System.out.println("Status updated to fail");
                }
                
             else {
                //Handle this properly later
                System.out.println("Failed to update the status to fail");
                
            }
        });
    }
    
} 
catch (Exception e) {
   e.printStackTrace();
    //Code to set the status to FAIL
   connector.query("UPDATE service set status = 'FAIL' where name = ?",new JsonArray().add(key)).setHandler(res -> {
        if (res.succeeded()) {
           System.out.println("Status updated to fail");
            }
            
         else {
            //Handle this properly later
            System.out.println("Failed to update the status to fail");
            
        }
    });
}
finally {
    System.out.println("INSIDE FINALLY");
}

System.out.println(" Done");

}

Answer 1

尝试在路由之后设置静态处理程序：

router.get("/service").handler(req -> {...});

router.post("/service").handler(req -> {...});

router.route("/*").handler(StaticHandler.create());

Vertx路由器按照连接的顺序匹配路由。在当前状态下，所有匹配/*的请求（包括/service）都将被匹配并传递给静态处理程序

https://vertx.io/docs/vertx-web/java/#_route_order

By default routes are matched in the order they are added to the router.

When a request arrives the router will step through each route and check if it matches, if it matches then the handler for that route will be called.

If the handler subsequently calls next the handler for the next matching route (if any) will be called. And so on.