Java Kryonet服务器,客户端无法接收服务器响应

Question

我正在尝试使用Kryonet库自学一些Java网络.以下代码几乎与kyronet教程中的代码相同.https://code.google.com/p/kryonet/#Running_a_server

客户端成功发送消息"这是请求!" 到服务器(服务器正在打印出来)但是,即使服务器正在发送服务器,客户端也没有从服务器接收任何响应.

我试过修复它没有成功,任何人都可以看到或建议可能的问题/解决方案与代码？

(代码如下)

客户

public class Client_test {
Client client = new Client();
public Client_test() {
    Kryo kryo = client.getKryo();
    kryo.register(SomeRequest.class);
    kryo.register(SomeResponse.class);
    client.start();
    try {
        client.connect(50000, "127.0.0.1", 54555, 54777);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    client.addListener(new Listener() {
           public void received (Connection connection, Object object) {
              if (object instanceof SomeResponse) {       
                 SomeResponse response = (SomeResponse)object;
                 System.out.println(response.text);
              }
           }
        });
    SomeRequest request = new SomeRequest();
    request.text = "Here is the request!";
    client.sendTCP(request);

}

}

服务器

public class ServerGame {
Server server = new Server();

public ServerGame() {
    Kryo kryo = server.getKryo();
    kryo.register(SomeRequest.class);
    kryo.register(SomeResponse.class);
    server.start();
    try {
        server.bind(54555, 54777);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    server.addListener(new Listener() {
           public void received (Connection connection, Object object) {
              if (object instanceof SomeRequest) {
                 SomeRequest request = (SomeRequest)object;
                 System.out.println(request.text);
                 SomeResponse response = new SomeResponse();
                 response.text = "Thanks!";
                 connection.sendTCP(response);
              }
           }
        });
}

}

响应和请求类

public class SomeRequest {
public String text;
public SomeRequest(){}
}

public class SomeResponse {
public String text;
public SomeResponse(){}
}

Answer 1

经过几个小时观看youtube视频并在网上筛选后,我找到了答案.我将在这里发布,因为似乎有不少人有这个问题所以我想传播这个词.

基本上,客户端会在接收和输出消息包之前立即关闭.这是因为"从r122开始,客户端更新线程被制作成守护程序线程,导致子进程在完成初始化后立即关闭.",解决方案是"也许你可以使用它？新线程(客户端).start( );".

所以基本上不是使用

client.start();

要启动必须使用的客户端线程

new Thread(client).start();

我认为这会阻止线程进入守护程序线程,因此可以解决问题.

资料来源:https://groups.google.com/forum/？fromgroups#!topic/kryonet- users/QTHiVmqljgE