突然在我的一个jenkins环境构建已经开始失败,而在本地机器,它似乎工作得很好,因为我有python安装,

从日志中,我能够检测到问题是内部依赖关系,即node-gyp v3.5.0从node-sass v3.8.0,当我通过访问这篇关于node-gyp的文章进行研究时,我发现了Python需要安装的先决条件。

所以我的问题是,我可以安装哪个版本的node-sass来绕过这个,或者有更好的解决方案,因为我的构建在相同的环境上运行良好,直到今天早上。

节点v5.10.1

错误日志

gyp verb check python checking for Python executable "python2" in the PATH
gyp verb `which` failed Error: not found: python2
gyp verb `which` failed     at getNotFoundError (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:80:29)
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:89:16
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\index.js:44:5
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\windows.js:29:5
gyp verb `which` failed     at FSReqWrap.oncomplete (fs.js:82:15)
gyp verb `which` failed  python2 { [Error: not found: python2] code: 'ENOENT' }
gyp verb check python checking for Python executable "python" in the PATH
gyp verb `which` failed Error: not found: python
gyp verb `which` failed     at getNotFoundError (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:80:29)
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:89:16
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\index.js:44:5
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\windows.js:29:5
gyp verb `which` failed     at FSReqWrap.oncomplete (fs.js:82:15)
gyp verb `which` failed  python { [Error: not found: python] code: 'ENOENT' }
gyp verb could not find "python". checking python launcher 
gyp verb could not find "python". guessing location 
gyp verb ensuring that file exists: C:\Python27\python.exe
gyp ERR! configure error 
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack     at Object.failNoPython (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\node-gyp\lib\configure.js:454:19)
gyp ERR! stack     at Object.<anonymous> (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\node-gyp\lib\configure.js:480:16)
gyp ERR! stack     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\graceful-fs\polyfills.js:284:29
gyp ERR! stack     at FSReqWrap.oncomplete (fs.js:82:15)
gyp ERR! System Windows_NT 6.3.9600
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files (x86)\\Jenkins\\jobs\\NdbSite-hot-fix-Manual-PreBuild\\workspace\\src\\NdbSite.UI\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\node-sass
gyp ERR! node -v v5.10.1
gyp ERR! node-gyp -v v3.5.0
gyp ERR! not ok 
Build failed

任何想法都非常感激,谢谢。


当前回答

嘿,我通过以下步骤解决了这个错误

第一次卸载python 3.8.6(最新版本) 然后我安装了python 2.7.1(任何python 2版本都可以,但不要太旧,这是推荐的) 然后我将c:\python27添加到环境变量中 我的操作系统是windows,所以我按了这个链接 它工作

其他回答

您需要按照以下步骤来修复该错误:

    1: DELETE node_modules
    2: npm install node-sass@<version-as-per-below-table>
    3. npm install

每个node-sass版本都对应于特定的Node.JS版本。

下面是node-sass的最小和最大支持版本的快速指南(查看下表的更新):


| NodeJS  | Supported node-sass version | Node Module |
|---------|-----------------------------|-------------|
| Node 16 | 6.0+                        | 93          |
| Node 15 | 5.0+                        | 88          |
| Node 14 | 4.14+                       | 83          |
| Node 13 | 4.13+, <5.0                 | 79          |
| Node 12 | 4.12+                       | 72          |
| Node 11 | 4.10+, <5.0                 | 67          |
| Node 10 | 4.9+, <6.0                  | 64          |
| Node 8  | 4.5.3+, <5.0                | 57          |
| Node <8 | <5.0                        | <57         |

我的答案可能并不适用于所有人。 节点版本号:v10.16.0 NPM: 6.9.0

我在使用node-sass和node-sass-中间件时遇到了很多麻烦。它们是有趣的包,因为它们被广泛使用(每周有数百万次下载),但它们的github显示出有限的依赖性和覆盖范围。我当时正在更新自己开发的一个旧平台。

我最后不得不做的是:

1)手动删除node_modules

2)手动删除package-lock.json

3) sudo NPM install node-sass——not - safe-perm=true——allow-root

4) sudo NPM install node-sass-middleware——not - safe-perm=true——allow-root

我得到了以下帮助,谢谢!

未为grpc@1.10.1和node@10.9.0找到预构建的二进制文件

错误:EACCES:当尝试使用npm安装ESLint时,权限被拒绝

同样的问题,在我的电脑上安装不同版本的python时浪费了几个小时。简单地升级节点到最新版本v8.11.2和npm 5.6.0,然后安装node-sass@4.5.3,你就可以了。

下面是帮助我防止在运行基于旧node-gyp v3.8.0的项目时出现错误error: not found: python2的方法。

运行npm install——global——production windows-build-tools@4.0.0 将python.exe重命名为%USERPROFILE%\.windows-build-tools\python27中的python2.exe 确保%USERPROFILE%\。windows-build-tools\python27是PATH环境变量的一部分(这是windows-build-tools应该已经为你做的) 下载Visual Studio 2017构建工具 告诉npm使用VS 2017, npm配置msvs_version 2017 运行使用node-gyp的脚本(node-gyp现在会找到python2.exe)

可选:强制升级node-gyp

您还可以尝试将项目升级为使用node-gyp v8.0.0而不是node-gyp v3.8.0。在这种情况下,在package.json中添加以下决议项:

  "resolutions": {
    "node-gyp": "8.0.0"
  }

之后,确保安装了Python 3和Visual Studio 2017构建工具和/或Visual Studio 2019构建工具。你也可以执行npm config delete msvs_version命令让node-gyp自动检测你的VS版本。

测试:

Windows 10 Pro Build 19042.985 node . js v15.14.0 npm v7.7.6 Node-gyp -v v3.8.0。

我的机器是Windows 10,我在尝试使用node-sass包编译SASS时遇到过类似的问题。我的节点版本是v10.16.3, npm版本是6.9.0

我解决这个问题的方法是:

首先删除package-lock。Json文件和node_modules/文件夹。 以管理员身份打开Windows PowerShell。 执行命令npm i -g node-sass。 之后,进入项目文件夹并运行npm install 最后,运行SASS编译脚本,在我的例子中,它是npm run build:css

而且很管用!!