npm ERR! network This is a problem related to network connectivity.

问题详细描述

PS D:\ALearnBlog\shiyi-blog\blog-web> npm install -g @vue/cli
npm ERR! code ETIMEDOUT
npm ERR! syscall connect
npm ERR! errno ETIMEDOUT
npm ERR! network request to https://registry.npmjs.org/@vue%2fcli failed, reason: connect ETIMEDOUT 104.16.25.34:443
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network ‘proxy’ config is set properly. See: ‘npm help config’

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\14132\AppData\Local\npm-cache_logs\2024-02-08T14_32_18_739Z-debug-0.log
PS D:\ALearnBlog\shiyi-blog\blog-web> npm install -g @vue/cli
npm ERR! code ETIMEDOUT
npm ERR! syscall connect
npm ERR! errno ETIMEDOUT
npm ERR! network request to https://registry.npmjs.org/@vue%2fcli failed, reason: connect ETIMEDOUT 104.16.25.34:443
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network ‘proxy’ config is set properly. See: ‘npm help config’

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\14132\AppData\Local\npm-cache_logs\2024-02-08T14_35_41_615Z-debug-0.log
PS D:\ALearnBlog\shiyi-blog\blog-web> npm install -g @vue/cli
npm ERR! code ETIMEDOUT
npm ERR! syscall connect
npm ERR! errno ETIMEDOUT
npm ERR! network request to https://registry.npmjs.org/@vue%2fcli failed, reason: connect ETIMEDOUT 104.16.24.34:443
npm ERR! network This is a problem related to network connectivity.
npm ERR! network In most cases you are behind a proxy or have bad network settings.
npm ERR! network
npm ERR! network If you are behind a proxy, please make sure that the
npm ERR! network ‘proxy’ config is set properly. See: ‘npm help config’

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\14132\AppData\Local\npm-cache_logs\2024-02-08T14_39_49_196Z-debug-0.log
PS D:\ALearnBlog\shiyi-blog\blog-web> npm config set registry https://registry.npm.taobao.org
PS D:\ALearnBlog\shiyi-blog\blog-web> npm install -g @vue/cli
npm ERR! code CERT_HAS_EXPIRED
npm ERR! errno CERT_HAS_EXPIRED
npm ERR! request to https://registry.npm.taobao.org/@vue%2fcli failed, reason: certificate has expired

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\14132\AppData\Local\npm-cache_logs\2024-02-08T14_43_00_759Z-debug-0.log

解决方案

遇到 CERT_HAS_EXPIRED 错误提示时,这表示尝试连接到的服务器的SSL证书已经过期。这个问题可能是因为你尝试使用的npm仓库(如此处的淘宝镜像)的SSL证书已经过期,或者你的系统日期设置不正确,导致验证证书有效性时出现错误。以下是几个解决步骤:

1. 检查系统日期和时间

首先,确保你的计算机的日期和时间设置正确,特别是年份和时间。不正确的系统时间是导致SSL证书验证失败的常见原因。

2. 尝试使用HTTP而非HTTPS

如果问题是由于证书过期,并且你急需安装包,作为临时解决方案,你可以尝试将npm配置设置为使用HTTP而非HTTPS来绕过SSL证书验证:

npm config set registry http://registry.npm.taobao.org

请注意,使用HTTP传输不是推荐的长期解决方案,因为它不安全。一旦问题解决,应该切换回使用HTTPS。

3. 更新npm和Node.js

确保你的npm和Node.js版本是最新的。旧版本的npm和Node.js可能不支持最新的安全协议,导致SSL证书错误。可以使用以下命令来更新npm和Node.js:

  • 更新npm:
npm install -g npm@latest
  • 更新Node.js:访问Node.js官网下载并安装最新版本。

4. 重置npm仓库为官方仓库

如果问题仍然存在,尝试将npm仓库设置回官方仓库:

npm config set registry https://registry.npmjs.org/

这可以帮助确定问题是否与特定的npm仓库有关。

5. 检查和更新操作系统的证书库

在某些情况下,操作系统的证书库可能已经过时,需要更新。确保你的操作系统是最新的,或者查找如何更新你的操作系统证书库的说明。

6. 临时禁用SSL证书验证(不推荐)

作为最后的手段,你可以临时禁用npm的SSL证书验证。这不是一个推荐的做法,因为它会降低安全性,但可以作为临时解决方案:

npm config set strict-ssl false

请记住,一旦完成安装,应该通过设置strict-ssltrue来重新启用SSL证书验证。

如果上述步骤都无法解决问题,可能需要更深入地检查网络配置,或者咨询npm仓库的支持团队,看看是否有已知的问题或维护情况。

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