dubbotwo中ItemController中@Autowired IDubboItemService自动注入失败

Error creating bean with name 'itemController': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dubboItemService': FactoryBean threw exception on object creation; nested exception is java.lang.NoClassDefFoundError: io/netty/channel/nio/NioEventLoopGroup