• 报错：npm ERR code EPERM

    1 完整错误

    npm ERR! code EPERM
npm ERR! syscall open
npm ERR! path D:NodeJS
ode_cache_cacache	mpbbab18e
npm ERR! errno EPERM
npm ERR! FetchError: Invalid response body while trying to fetch https://registry.npmjs.org/webpack: EPERM: operation not permitted, open 'D:NodeJS
ode_cache_cacache	mpbbab18e'
npm ERR!     at D:NodeJS
ode_modules
pm
ode_modulesminipass-fetchlibody.js:162:15
npm ERR!     at async Arborist.[nodeFromEdge] (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:1061:19)
npm ERR!     at async Arborist.[buildDepStep] (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:930:11)
npm ERR!     at async Arborist.buildIdealTree (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:216:7)
npm ERR!     at async Promise.all (index 1)
npm ERR!     at async Arborist.reify (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarborist
eify.js:149:5)
npm ERR!     at async Install.install (D:NodeJS
ode_modules
pmlibinstall.js:170:5)
npm ERR!  FetchError: Invalid response body while trying to fetch https://registry.npmjs.org/webpack: EPERM: operation not permitted, open 'D:NodeJS
ode_cache_cacache	mpbbab18e'
npm ERR!     at D:NodeJS
ode_modules
pm
ode_modulesminipass-fetchlibody.js:162:15
npm ERR!     at async Arborist.[nodeFromEdge] (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:1061:19)
npm ERR!     at async Arborist.[buildDepStep] (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:930:11)
npm ERR!     at async Arborist.buildIdealTree (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:216:7)
npm ERR!     at async Promise.all (index 1)
npm ERR!     at async Arborist.reify (D:NodeJS
ode_modules
pm
ode_modules@npmcliarboristlibarborist
eify.js:149:5)
npm ERR!     at async Install.install (D:NodeJS
ode_modules
pmlibinstall.js:170:5) {
npm ERR!   code: 'EPERM',
npm ERR!   syscall: 'open',
npm ERR!   path: 'D:\NodeJS

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    ode_cache_cacache\tmp\7bbab18e’,
    npm ERR! type: ‘system’,
    npm ERR! requiredBy: ‘.’
    npm ERR! }
    npm ERR!
    npm ERR! The operation was rejected by your operating system.
    npm ERR! It’s possible that the file was already in use (by a text editor or antivirus),
    npm ERR! or that you lack permissions to access it.
    npm ERR!
    npm ERR! If you believe this might be a permissions issue, please double-check the
    npm ERR! permissions of the file and its containing directories, or try running
    npm ERR! the command again as root/Administrator.
    (base) PS F: utorial-frontendwebpackcode> npm i webpack webpack-cli --save-dev
    npm ERR! code EPERM
    npm ERR! syscall open
    npm ERR! path D:NodeJS
    ode_cache_cacache mp71f2a33
    npm ERR! errno EPERM
    npm ERR! FetchError: Invalid response body while trying to fetch https://registry.npmjs.org/webpack: EPERM: operation not permitted, open ‘D:NodeJS
    ode_cache_cacache mp71f2a33’
    npm ERR! at D:NodeJS
    ode_modules
    pm
    ode_modulesminipass-fetchlibody.js:162:15
    npm ERR! at async Arborist.[nodeFromEdge] (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:1061:19)
    npm ERR! at async Arborist.[buildDepStep] (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:930:11)
    npm ERR! at async Arborist.buildIdealTree (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:216:7)
    npm ERR! at async Promise.all (index 1)
    npm ERR! at async Arborist.reify (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarborist
    eify.js:149:5)
    npm ERR! at async Install.install (D:NodeJS
    ode_modules
    pmlibinstall.js:170:5)
    npm ERR! FetchError: Invalid response body while trying to fetch https://registry.npmjs.org/webpack: EPERM: operation not permitted, open ‘D:NodeJS
    ode_cache_cacache mp71f2a33’
    npm ERR! at D:NodeJS
    ode_modules
    pm
    ode_modulesminipass-fetchlibody.js:162:15
    npm ERR! at async Arborist.[nodeFromEdge] (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:1061:19)
    npm ERR! at async Arborist.[buildDepStep] (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:930:11)
    npm ERR! at async Arborist.buildIdealTree (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarboristuild-ideal-tree.js:216:7)
    npm ERR! at async Promise.all (index 1)
    npm ERR! at async Arborist.reify (D:NodeJS
    ode_modules
    pm
    ode_modules@npmcliarboristlibarborist
    eify.js:149:5)
    npm ERR! at async Install.install (D:NodeJS
    ode_modules
    pmlibinstall.js:170:5) {
    npm ERR! code: ‘EPERM’,
    npm ERR! syscall: ‘open’,
    npm ERR! path: ‘D:\NodeJS
    ode_cache_cacache\tmp\671f2a33’,
    npm ERR! type: ‘system’,
    npm ERR! requiredBy: ‘.’
    npm ERR! }
    npm ERR!
    npm ERR! The operation was rejected by your operating system.
    npm ERR! It’s possible that the file was already in use (by a text editor or antivirus),
    npm ERR! or that you lack permissions to access it.
    npm ERR!
    npm ERR! If you believe this might be a permissions issue, please double-check the
    npm ERR! permissions of the file and its containing directories, or try running
    npm ERR! the command again as root/Administrator.

    2 错误详解

    该错误发生在修改npm的全局安装路径之后，再执行npm install 包 -g或是npm install 包时发生，但是在管理员身份下运行cmd，均能执行成功。

    2.1 修改npm全局安装：

    1. 命令行：

      npm config set prefix "D:NodeJS
ode_global"
npm config set cache "D:NodeJS
ode_cache"

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      在C盘User/用户名/下有一个.npmrc的文件

    2. 将上述node_global文件夹的路径加入环境变量

    2.2 导致该安装问题的原因

    没有管理员权限，无法在node_global和node_cache两个文件夹下进行一些必要的操作

    2.3 修复方法

    1. 删除用户下的.npmrc文件，即不改变全局安装的路径（不够好，本质问题仍没有解决，全局还是会安装在C盘）
    2. 每次都用管理员身份运行命令行（不够方便，vscode 下的命令行默认也不是管理员身份运行的）
    3. 直接修改node_global和node_cache文件夹的权限：
      1. 右键文件夹，打开属性，切换到安全选项卡
        在这里插入图片描述
      2. 选择编辑，将没有打钩的位置全部打上钩（即将其它用户的权限设置为与管理员相同），应用即可。

    3 运行测试

    安装webpack测试，成功！
    npm i webpack webpack-cli -g
    npm i webpack webpack-cli --save-dev

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  • 原文地址：https://blog.csdn.net/m0_67401417/article/details/126081302