SpringCloud Eureka启动报错Failed to introspect Class [org.springframework.cloud.netflix.eureka.config.DiscoveryClientOptionalArgsConfiguration] from ClassLoader [sun.misc.Launcher$AppClassLoader@18b4aac2]

引入依赖时要特别注意是否有缺少“starter”!

没有starter导入的依赖不完整，启动时会因为缺少各种包而报错