@Configuration

/*@EnableWebMvc

 * 

@EnableWebSocket*/

@EnableWebSocketMessageBroker

/*public class SpringWebSocketConfig extends WebMvcConfigurerAdapter implements WebSocketConfigurer {*/

	

	

public class SpringWebSocketConfig extends AbstractWebSocketMessageBrokerConfigurer{	



   /* public void registerWebSocketHandlers(WebSocketHandlerRegistry registry) {

    	//webServer就是websocket的端点，客户端需要注册这个端点进行链接;setAllowedOrigins("*")跨域

        registry.addHandler(webSocketHandler(),"/websocket/socketServer.do").addInterceptors(new SpringWebSocketHandlerInterceptor()).setAllowedOrigins("*");

        registry.addHandler(webSocketHandler(), "/sockjs/socketServer.do").addInterceptors(new SpringWebSocketHandlerInterceptor()).withSockJS();

    }

 

    @Bean

    public TextWebSocketHandler webSocketHandler(){

        return new SpringWebSocketHandler();

    }*/

	

	@Override

	public void registerStompEndpoints(StompEndpointRegistry registry) {

	    registry.addEndpoint("/websocket/socketServer.do").withSockJS();

	}



	@Override

	public void configureMessageBroker(MessageBrokerRegistry registry) {

		//registry.enableStompBrokerRelay("/queue", "/topic");

	    registry.enableSimpleBroker("/queue", "/topic");

	    registry.setApplicationDestinationPrefixes("/app");

	}

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'stompWebSocketHandlerMapping' defined in class path resource [org/springframework/web/socket/config/annotation/DelegatingWebSocketMessageBrokerConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.web.servlet.HandlerMapping]: Factory method 'stompWebSocketHandlerMapping' threw exception; nested exception is java.lang.NoSuchMethodError: org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurationSupport.messageBrokerTaskScheduler()Lorg/springframework/scheduling/concurrent/ThreadPoolTaskScheduler;

	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:599)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1173)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1067)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)

	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)

	at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)

	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)

	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)

	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)

	at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)

	at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866)

	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542)

	at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:443)

	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:325)

	at com.cmscl.tc.listener.WebContextListener.initWebApplicationContext(WebContextListener.java:23)

	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)

	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5110)

	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5633)

	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145)

	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1015)

	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:991)

	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)

	at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1296)

	at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:2038)

	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)

	at java.util.concurrent.FutureTask.run(FutureTask.java:262)

	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

	at java.lang.Thread.run(Thread.java:745)