一尘不染

为什么npm start会抛出events.js:187 throw er; //我的React项目中未处理的“错误”事件?

node.js

在代码签出后首次启动服务器时,我的react js项目抛出错误“ events.js:187 throw er;
//未处理的’error’事件”。我有节点12.13.0和npm
6.12.0。日志文件附加日志文件

events.js:187
      throw er; // Unhandled 'error' event
      ^



    Error: spawn cmd ENOENT
        at Process.ChildProcess._handle.onexit 
       (internal/child_process.js:264:19)
       at onErrorNT (internal/child_process.js:456:16)
       at processTicksAndRejections (internal/process/task_queues.js:80:21)
    Emitted 'error' event on ChildProcess instance at:
       at Process.ChildProcess._handle.onexit (internal/child_process.js:270:12)
       at onErrorNT (internal/child_process.js:456:16)
       at processTicksAndRejections (internal/process/task_queues.js:80:21) {
    errno: 'ENOENT',
    code: 'ENOENT',
    syscall: 'spawn cmd',
    path: 'cmd',
    spawnargs: [ '/c', 'start', '""', '/b', 'http://localhost:3000/' ]
}

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2020-07-07

共1个答案

一尘不染

我将react-script版本从3.0.1降级到2.1.8。npm install react-scripts@2.1.8 npm install
npm开始

2020-07-07