spring spring-websocet整合 @MessageMapping No matching message handler methods

Question

错误
Searching methods to handle SEND /app/intoConference session=ix5ko3ds
2020-07-20 08:43:50 -199232 DEBUG - No matching message handler methods.**

spring5.0.0
tomcat8.5.49

controller

package net.nblh.opinion.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import net.nblh.utils.ShiroUtils;
import net.nblh.videoconferencing.service.impl.MessageManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.handler.annotation.MessageMapping;
import org.springframework.messaging.handler.annotation.SendTo;
import org.springframework.messaging.simp.SimpMessagingTemplate;
import org.springframework.messaging.simp.annotation.SubscribeMapping;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.Map;

@Controller
public class OpinionMessageController {
    @Autowired
    public SimpMessagingTemplate template;  

    @Autowired
    public MessageManager messageManager;


 @MessageMapping("intoConference")
    public void intoConference(Map rm) {
        System.out.println("进入会议方法");
        for(int i =1;i<=20;i++) {
            /*广播使用convertAndSendToUser方法，第一个参数为用户id，此时js中的订阅地址为
            "/user/" + 用户Id + "/message",其中"/user"是固定的*/
            template.convertAndSendToUser(ShiroUtils.getUserId(),"/message","");
        }

    }

websocketconfig

package net.nblh.videoconferencing.config;



import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.simp.config.ChannelRegistration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.AbstractWebSocketMessageBrokerConfigurer;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;


@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer{


    @Override
    public void configureMessageBroker(MessageBrokerRegistry registry) {
        registry.enableSimpleBroker("/topic");
        registry.setApplicationDestinationPrefixes("/app","/queue");
    }

    @Override
    public void registerStompEndpoints(StompEndpointRegistry registry) {
        registry.addEndpoint("/websoct-mcu","/opinionSocketJSServer").
        addInterceptors(new HttpHandShakeIntecepter()).
        setAllowedOrigins("*").withSockJS();
    }

    @Override
    public void configureClientOutboundChannel(ChannelRegistration registration) {
        super.configureClientOutboundChannel(registration);
    }

    @Override
    public void configureClientInboundChannel(ChannelRegistration registration) {
        registration.interceptors(new GetHeaderParamInterceptor() );
        super.configureClientInboundChannel(registration);
    }
}

spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">

    <context:component-scan base-package="net.nblh.**.controller" />

Answer 1

https://blog.csdn.net/u011943534/article/details/97098687