微服务注册与发现之Nacos：failed to req API:/nacos/v1/ns/instance after all servers([127.0.0.1:8848])

矫情吗；* 2022-11-03 11:13 2阅读 0赞

## 一 概述 ##

> 具体错误信息：failed to req API:/nacos/v1/ns/instance after all servers(\[127.0.0.1:8848\]) tried: failed to req API:127.0.0.1:8848/nacos/v1/ns/instance. code:400 msg: caused: cluster name can only have these characters: 0-9a-zA-Z-, current: DEFAULT\_GROUP;

## 二 解决方案 ##

**将配置文件中的集群配置注释掉**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NhbG1fZW5jb2Rl_size_16_color_FFFFFF_t_70][]

**注释前：**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NhbG1fZW5jb2Rl_size_16_color_FFFFFF_t_70 1][]

**注释后：**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NhbG1fZW5jb2Rl_size_16_color_FFFFFF_t_70 2][]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NhbG1fZW5jb2Rl_size_16_color_FFFFFF_t_70]: /images/20221024/96ce7997008b406bbcc2443cb39175f4.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NhbG1fZW5jb2Rl_size_16_color_FFFFFF_t_70 1]: /images/20221024/a7cf63cf58894f26ae24dd6a3b0846de.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NhbG1fZW5jb2Rl_size_16_color_FFFFFF_t_70 2]: /images/20221024/2821c09214544b3282a23c4d429c8e68.png