Question

我使用命令提示符和react-native命令创建了一个新的react-native项目。当我尝试使用Android Studio模拟器打开项目时，出现以下错误：

The development server returned response error code: 500

URL: http://10.0.2.2:8081/index.delta?platform=android&dev=true&minify=false

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<pre>Error: Unable to resolve module ./index from
 D:\ReactNative\myreactdemo\node_modules\react-native\scripts/.: The module ./index could not be found from
D:\ReactNative\myreactdemo\node_modules\react-native\scripts/.. Indeed, none of these files exist:<br> &nbsp;* D:\ReactNative\myreactdemo\node_modules\react-native\scripts\index(.native||.android.js|.native.js|.js|.android.json|.native.json|.json|.android.ts|.native.ts|.ts|.android.tsx|.native.tsx|.tsx)`<br> &nbsp;*D:\ReactNative\myreactdemo\node_modules\react-native\scripts\index\index(.native||.android.js|.native.js|.js|.android.json|.native.json|.json|.android.ts|.native.ts|.ts|.android.tsx|.native.tsx|.tsx)`<br> &nbsp; &nbsp;at ModuleResolver.resolveDependency (D:\ReactNative\myreactdemo\node_modules\metro\src\node-haste\DependencyGraph\ModuleResolution.js:163:15)<br> &nbsp; &nbsp;at ResolutionRequest.resolveDependency (D:\ReactNative\myreactdemo\node_modules\metro\src\node-haste\DependencyGraph\ResolutionRequest.js:52:18)<br> &nbsp; &nbsp;at DependencyGraph.resolveDependency (D:\ReactNative\myreactdemo\node_modules\metro\src\node-haste\DependencyGraph.js:283:16)<br> &nbsp; &nbsp;at D:\ReactNative\myreactdemo\node_modules\metro\src\lib\transformHelpers.js:261:42<br> &nbsp; &nbsp;at Server.&lt;anonymous&gt; (D:\ReactNative\myreactdemo\node_modules\metro\src\Server.js:1038:41)<br> &nbsp; &nbsp;at Generator.next (&lt;anonymous&gt;)<br> &nbsp; &nbsp;at asyncGeneratorStep (D:\ReactNative\myreactdemo\node_modules\metro\src\Server.js:99:24)<br> &nbsp; &nbsp;at _next (D:\ReactNative\myreactdemo\node_modules\metro\src\Server.js:119:9)</pre>
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processBundleResult
    BundleDownloader.java:296
access$200
    BundleDownloader.java:37
onResponse
    BundleDownloader.java:174
execute
    RealCall.java:206
run
    NamedRunnable.java:32
runWorker
    ThreadPoolExecutor.java:1167
run
    ThreadPoolExecutor.java:641
run
    Thread.java:764

Answer 1

修改

\ node_modules @ react-native-community \ cli \ build \ commands \ runAndroid \ runAndroid.js并已替换 cwd：scriptsDir与cwd：process.cwd（）

Answer 2

react-native start --reset-cache在一个终端中并保持打开状态

react-native run-android在另一个终端

Answer 3

此错误是由nodeJS服务器引起的。其原因是因为语法错误。您能否在发生错误的地方共享代码（./index文件）。

开发服务器返回响应错误代码：500.Error：无法解析模块./index

3 个答案: