解决SpringBoot webSocket 资源无法加载、tomcat启动报错的问题

public static void main(String[] args) {
		SpringApplication springApplication = new SpringApplication(BootApplication.class);
		springApplication.addListeners(new ApplicationPidFileWriter());
		ConfigurableApplicationContext applicationContext = springApplication.run(args);
		WebSocketServer.setApplicationContext(applicationContext);
	

private static ManageUserMapper manageUserMapper;
 
 public static void setApplicationContext(ConfigurableApplicationContext   applicationContext) {
  WebSocketServer.manageUserMapper = applicationContext.getBean(ManageUserMapper.class);
 }

<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
			<!-- 去除内嵌tomcat -->
			<exclusions>
				 <exclusion>
					<groupId>org.springframework.boot</groupId>
					<artifactId>spring-boot-starter-tomcat</artifactId>
				</exclusion>
			</exclusions>
		</dependency>

/**
  * 服务器节点
  *
  * 如果使用独立的servlet容器，而不是直接使用springboot的内置容器，就不要注入ServerEndpointExporter，因为它将由容器自己提供和管理
  * @return
  */
 @Bean
 @Profile("dev")
 public ServerEndpointExporter serverEndpointExporter() {
  return new ServerEndpointExporter();
 }

##prod:生产环境 dev:开发环境(WINDOWS)
spring.profiles.active=dev

@Component
public class GetBeanTool implements ApplicationContextAware{
	
	private static ApplicationContext applicationContext = null;
 
 @Override
 public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
  GetBeanTool.applicationContext = applicationContext;
 }
 
 public static Object getBeanByName(String beanName) {
  if (applicationContext == null){
   return null;
  }
  return applicationContext.getBean(beanName);
 }
 
 public static <T> T getBean(Class<T> type) {
  return applicationContext.getBean(type);
 }
 
}

 private ManageUserMapper manageUserMapper;
 
 public WebSocketServer() {
 	this.manageUserMapper=GetBeanTool.getBean(ManageUserMapper.class);
 }

@SpringBootApplication
@Configuration
public class BootApplication extends SpringBootServletInitializer {
 
	@Override
	protected SpringApplicationBuilder configure(
			SpringApplicationBuilder application) {
		return application.sources(BootApplication.class);
	}
 
 
	public static void main(String[] args) {
		SpringApplication.run(BootApplication.class, args);
	}
}