Nacos failed to req API:/nacos/v1/ns/instance after all servers([8848]) tried

本文转载自查看原文 2022-04-13 16:04 4124 Web开发/ 报错的解决/ JavaWeb

案例的介绍：

Nacos 1.4.1
SpringBoot版本：2.3.9.RELEASE
Maven 3.6.1
jdk 1.8
mysql 8 社区
使用到的坐标：
- myBatis-plus 3.4
- fastJson 1.2
- spring-boot-starter-web

使用Nacos时会报错com.alibaba.nacos.api.exception.NacosException: failed to req API:/nacos/v1/ns/instance after all servers([8848]) tried: java.net.SocketException: Network is unreachable: connect

需要在配置文件application.yml中的Nacos地址进行修改，增加在本地可以访问Nacos的地址我这里写localhost

修改前

spring:
  # 其它略
  cloud:
    nacos:
      server-addr: 8848

修改后

spring:
  # 其它略
  cloud:
    nacos:
      server-addr: localhost:8848

修改后成功运行
增加localhost是看Nacos文档时看到文档中有些地址

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