我正在尝试运行 npm start 在我的终端中，但它不起作用

Question

我正在尝试运行 npm start 开始一个新的 React 项目，但它不起作用。我已经这样做了很多次，但现在出现以下错误：

Starting the development server...

Error: error:0308010C:digital envelope routines::unsupported
    at new Hash (node:internal/crypto/hash:67:19)
    at Object.createHash (node:crypto:130:10)
    at module.exports (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/util/createHash.js:135:53)
    at NormalModule._initBuildHash (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/NormalModule.js:417:16)
    at handleParseError (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/NormalModule.js:471:10)
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/NormalModule.js:503:5
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/NormalModule.js:358:12
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/loader-runner/lib/LoaderRunner.js:373:3
    at iterateNormalLoaders (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/loader-runner/lib/LoaderRunner.js:214:10)
    at iterateNormalLoaders (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/loader-runner/lib/LoaderRunner.js:221:10)
/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/react-scripts/scripts/start.js:19
  throw err;
  ^

Error: error:0308010C:digital envelope routines::unsupported
    at new Hash (node:internal/crypto/hash:67:19)
    at Object.createHash (node:crypto:130:10)
    at module.exports (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/util/createHash.js:135:53)
    at NormalModule._initBuildHash (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/NormalModule.js:417:16)
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/NormalModule.js:452:10
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/webpack/lib/NormalModule.js:323:13
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/loader-runner/lib/LoaderRunner.js:367:11
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/loader-runner/lib/LoaderRunner.js:233:18
    at context.callback (/Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/loader-runner/lib/LoaderRunner.js:111:13)
    at /Users/EgorUlybin/Desktop/Programming/practice folder/React/routing/node_modules/babel-loader/lib/index.js:59:103 {
  opensslErrorStack: [ 'error:03000086:digital envelope routines::initialization error' ],
  library: 'digital envelope routines',
  reason: 'unsupported',
  code: 'ERR_OSSL_EVP_UNSUPPORTED'
}

Node.js v17.2.0
EgorUlybin@MacBook-Pro routing %

在浏览器中，我收到的错误消息是：

The site can't be reached
localhost refused to connect.

Answer 1

可能是NodeJS版本问题

通过 nvm 将您的 NodeJS 版本从 当前 (17) 版本降级到 LTS (16) 版本。

Answer 2

我找到了解决此问题的技巧。

只需使用 yarn create-react-app my-app 创建一个新的 React 应用程序，然后复制 node_modules 文件夹并用它替换之前的 React 应用程序 node_modules 文件。

我正在尝试运行 npm start 在我的终端中，但它不起作用

I am trying to run npm start in my terminal, but it isn't working

node.js

reactjs

npm-start

我正在尝试 运行 npm start 在我的终端中，但它不起作用

I am trying to run npm start in my terminal, but it isn't working

node.js

reactjs

npm-start

我正在尝试运行 npm start 在我的终端中，但它不起作用