【问题标题】:React projects npm start not working says localhost rufused to connectReact 项目 npm start not working 说 localhost 拒绝连接
【发布时间】:2021-12-13 20:58:46
【问题描述】:

我正在尝试在新机器上运行一个 react 应用程序,当我运行 NPM start 时,我收到一条错误消息。

  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/wesleymcghee/codingProjects/practice/node_modules/webpack/lib/util/createHash.js:135:53)
    at NormalModule._initBuildHash (/Users/wesleymcghee/codingProjects/practice/node_modules/webpack/lib/NormalModule.js:417:16)
    at /Users/wesleymcghee/codingProjects/practice/node_modules/webpack/lib/NormalModule.js:452:10
    at /Users/wesleymcghee/codingProjects/practice/node_modules/webpack/lib/NormalModule.js:323:13
    at /Users/wesleymcghee/codingProjects/practice/node_modules/loader-runner/lib/LoaderRunner.js:367:11
    at /Users/wesleymcghee/codingProjects/practice/node_modules/loader-runner/lib/LoaderRunner.js:233:18
    at context.callback (/Users/wesleymcghee/codingProjects/practice/node_modules/loader-runner/lib/LoaderRunner.js:111:13)
    at /Users/wesleymcghee/codingProjects/practice/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'
}

我还在浏览器上收到一条消息,说 localhost 拒绝连接。我尝试将 localhost 更改为 127.0.0.1,但这不起作用。我在 Mac 上。

【问题讨论】:

  • link 中有一个答案,分享了此错误的解决方案。也许它对你也有帮助。

标签: reactjs


【解决方案1】:

如果您使用 npx 并没有成功,请尝试以下操作:

  1. npm installl yarn
    
  2. yarn create react-app my-app
    
  3. 然后:

    yarn start
    

【讨论】:

    【解决方案2】:

    因此,在互联网上搜索了几个小时后,我找到了解决方案或变通方法。我说:

    export NODE_OPTIONS=--openssl-legacy-provider

    进入我正在使用的目录中的终端。我发现这个的最初的fourm帖子是正确的here

    【讨论】:

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