application.yml

server:  port: 8888eureka:  instance:    hostname: localhost  client:    service-url:          defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/    register-with-eureka: false #值为false意味着自身仅作为服务器，不作为客户端    fetch-registry: false #值为false意味着无需注册自身  server:    enable-self-preservation: false

application.properties

server.port: 8761eureka.instance.hostname: localhosteureka.client.registerWithEureka: falseeureka.client.fetchRegistry: falseeureka.client.serviceUrl.defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

Application

package com.xp.cn;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;@SpringBootApplication@EnableEurekaServerpublic class EurekaApp {    public static void main(String[] args) {        SpringApplication.run(EurekaApp.class, args);    }}

spring boot启动报错：No active profile set, falling back to default profiles: default

参考文档：https://github.com/Netflix/eureka/wiki/Eureka-at-a-glance

springCloud:   http://projects.spring.io/spring-cloud/spring-cloud.html#_service_discovery_eureka_clients