eureka在部署时，server1启动无异常，能正常访问。server2启动时，无法通过server2的端口访问管理界面。server3启动时，直接服务启动失败，把server1也拖垮关闭了，server1管理界面无法访问。这是什么问题导致的？
server3启动报错图片：

因为之前报错我是修改过端口（8080）的，不确定这个是否有关系。
另外的报错图片：（这个是因为心跳超时自动关闭的么？）

代码配置信息：

---
spring:
  application:
    name: ad-eureka
  profiles: server1
server:
  port: 8000
eureka:
  instance:
    hostname: server1
    prefer-ip-address: false
  client:
    service-url:
      defaultZone: http://server2:8001/eureka/,http://server3:8002/eureka/

---
spring:
  application:
    name: ad-eureka
  profiles: server2
server:
  port: 8001
eureka:
  instance:
    hostname: server2
    prefer-ip-address: false
  client:
    service-url:
      defaultZone: http://server1:8000/eureka/,http://server3:8002/eureka/

---
spring:
  application:
    name: ad-eureka
  profiles: server3
server:
  port: 8002
eureka:
  instance:
    hostname: server3
    prefer-ip-address: false
  client:
    service-url:
      defaultZone: http://server1:8000/eureka/,http://server2:8001/eureka/