Java WebSocket:onMessage未被触发
我用它用java编写了websocket客户端。这是一个安全的插座。已建立到目标的连接,但未调用onMessage 当我用java脚本编写同样的东西时,它工作正常并且能够得到响应 请检查我的代码,并告知我遗漏了什么 我的代码:Java WebSocket:onMessage未被触发,java,websocket,java-websocket,Java,Websocket,Java Websocket,我用它用java编写了websocket客户端。这是一个安全的插座。已建立到目标的连接,但未调用onMessage 当我用java脚本编写同样的东西时,它工作正常并且能够得到响应 请检查我的代码,并告知我遗漏了什么 我的代码: @ClientEndpoint public class MyClientEndpoint { @SuppressWarnings("unchecked") @OnOpen public void onOpen(Session session)
@ClientEndpoint
public class MyClientEndpoint {
@SuppressWarnings("unchecked")
@OnOpen
public void onOpen(Session session) {
System.out.println("Connected to endpoint: " + session.getBasicRemote());
try {
JSONObject obj = new JSONObject();
obj.put("subscribe", URLEncoder.encode("xxxxxxx","UTF-8"));
String msg = obj.toJSONString();
System.out.println("Sending message to endpoint: " + msg);
session.getBasicRemote().sendText(msg);
} catch (Exception ex) {
Logger.getLogger(MyClientEndpoint.class.getName()).log(Level.SEVERE, null, ex);
}
}
@OnMessage
public void onMessage(String message) {
System.out.println("Received message in client: " + message);
Client.messageLatch.countDown();
}
public class Client {
final static CountDownLatch messageLatch = new CountDownLatch(1);
public static void main(String[] args) {
try {
WebSocketContainer container = ContainerProvider.getWebSocketContainer();
String uri = "wss://api.....";
System.out.println("Connecting to:: " + uri);
container.connectToServer(MyClientEndpoint.class, URI.create(uri));
messageLatch.await(10, TimeUnit.SECONDS);
} catch (DeploymentException | InterruptedException | IOException ex) {
Logger.getLogger(Client.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
我可以通过传入凭据连接到安全websocket
ClientEndpointConfig.Configurator configurator = new ClientEndpointConfig.Configurator() {
public void beforeRequest(Map<String, List<String>> headers) {
String credentials = "username:password";
headers.put("Authorization", Arrays.asList("Basic " + new BASE64Encoder().encode(credentials.getBytes())));
System.out.println("Header set successfully");
}
};
ClientEndpointConfig clientConfig = ClientEndpointConfig.Builder.create()
.configurator(configurator)
.build();
ClientEndpointConfig.Configurator Configurator=new ClientEndpointConfig.Configurator(){
请求前公共无效(映射头){
String-credentials=“用户名:密码”;
headers.put(“Authorization”、Arrays.asList(“Basic”+新的BASE64Encoder().encode(credentials.getBytes()));
System.out.println(“标题设置成功”);
}
};
ClientEndpointConfig clientConfig=ClientEndpointConfig.Builder.create()
.配置器(配置器)
.build();
我在下面的链接中记录了这些步骤
通过传入凭据,我可以连接到安全websocket
ClientEndpointConfig.Configurator configurator = new ClientEndpointConfig.Configurator() {
public void beforeRequest(Map<String, List<String>> headers) {
String credentials = "username:password";
headers.put("Authorization", Arrays.asList("Basic " + new BASE64Encoder().encode(credentials.getBytes())));
System.out.println("Header set successfully");
}
};
ClientEndpointConfig clientConfig = ClientEndpointConfig.Builder.create()
.configurator(configurator)
.build();
ClientEndpointConfig.Configurator Configurator=new ClientEndpointConfig.Configurator(){
请求前公共无效(映射头){
String-credentials=“用户名:密码”;
headers.put(“Authorization”、Arrays.asList(“Basic”+新的BASE64Encoder().encode(credentials.getBytes()));
System.out.println(“标题设置成功”);
}
};
ClientEndpointConfig clientConfig=ClientEndpointConfig.Builder.create()
.配置器(配置器)
.build();
我在下面的链接中记录了这些步骤
您的
@OnMessage
中可能缺少会话
参数。签名应为public void myMethod(会话、字符串消息)
尝试将Session Session作为方法的第一个参数,但它仍然不起作用。您的@OnMessage
中可能缺少Session Session
参数。签名应为public void myMethod(会话、字符串消息)
尝试将Session作为该方法的第一个参数,但仍然无效。