开发服务器返回的响应错误代码:404 react native [英] The development server returned response error code:404 react native

问题描述

我正在尝试在cmd中运行类似本机的应用程序

I am trying to run react native app like this in cmd

cd C:\Users\User\Desktop\js

react-native run-android

推荐答案

从react-native v.47升级到最新版本后，我遇到了这个问题.

I ran into this after upgrading from react-native v.47 to latest.

之前，我的项目使用两个索引文件 index.ios.js 和 index.android.js .在此更新之后，只需一个文件入口点， index.js .将索引逻辑移到同一级别的单个 index.js 文件中，然后重试.这为我解决了错误.

Before, my project was using two index files, index.ios.js and index.android.js. After this update only one file entry point is required, index.js. Move your index logic into a single index.js file that is at the same level and try again. This solved the error for me.

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