我正在学习 Setting up the development environment 中的教程，配置 Windows 和 Android 的 React Native CLI 快速入门。
每当我在另一个 CMD 中运行命令 react-native run-android Metro 时，Android Studios 都会打开，但此错误出现在原始 CMD 中。
info Running jetifier to migrate libraries to AndroidX. You can disable it using "--no-jetifier" flag.
(node:12644) Warning: Accessing non-existent property 'padLevels' of module exports inside circular dependency
(Use `node --trace-warnings ...` to show where the warning was created)
Jetifier found 896 file(s) to forward-jetify. Using 12 workers...
info Starting JS server...
info Launching emulator...
info Successfully launched emulator.
info Installing the app...
> Task :app:processDebugMainManifest FAILED
Error 'C:\Users\xrafa\Documents\Android\AwesomeProject\android\app\build\outputs\logs\manifest-merger-debug-report.txt (Access is denied)' while writing the merger report file, build can continue but merging activities will not be documented
11 actionable tasks: 2 executed, 9 up-to-date
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processDebugMainManifest'.
> java.io.FileNotFoundException: C:\Users\xrafa\Documents\Android\AwesomeProject\android\app\build\intermediates\manifest_merge_blame_file\debug\manifest-merger-blame-debug-report.txt (Access is denied)
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 2s
error Failed to install the app. Make sure you have the Android development environment set up: https://reactnative.dev/docs/environment-setup.
Error: Command failed: gradlew.bat app:installDebug -PreactNativeDevServerPort=8081
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processDebugMainManifest'.
> java.io.FileNotFoundException: C:\Users\xrafa\Documents\Android\AwesomeProject\android\app\build\intermediates\manifest_merge_blame_file\debug\manifest-merger-blame-debug-report.txt (Access is denied)
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 2s
at makeError (C:\Users\xrafa\Documents\Android\AwesomeProject\node_modules\execa\index.js:174:9)
at C:\Users\xrafa\Documents\Android\AwesomeProject\node_modules\execa\index.js:278:16
at processTicksAndRejections (node:internal/process/task_queues:96:5)
at async runOnAllDevices (C:\Users\xrafa\Documents\Android\AwesomeProject\node_modules\@react-native-community\cli-platform-android\build\commands\runAndroid\runOnAllDevices.js:94:5)
at async Command.handleAction (C:\Users\xrafa\Documents\Android\AwesomeProject\node_modules\@react-native-community\cli\build\index.js:186:9)
info Run CLI with --verbose flag for more details.
我使用 this post 和 the answer 作为参考，因为我认为它们很相似，但我之前得到的错误却与此相似。
> Task :app:processDebugMainManifest FAILED
Error 'C:\Users\xrafa\Documents\Android\AwesomeProject\android\app\build\outputs\logs\manifest-merger-debug-report.txt (Access is denied)' while writing the merger report file, build can continue but merging activities will not be documented
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':app:processDebugMainManifest'.
> java.io.FileNotFoundException: C:\Users\xrafa\Documents\Android\AwesomeProject\android\app\build\intermediates\manifest_merge_blame_file\debug\manifest-merger-blame-debug-report.txt (Access is denied)
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
* Get more help at https://help.gradle.org
BUILD FAILED in 2s
11 actionable tasks: 2 executed, 9 up-to-date
我还想说我已经运行了命令 gradlew clean 和同样的错误。
gradlew.bat 有什么问题吗？
答案 0 :(得分：0)
它提到了 access denied，尝试更改对 android 文件夹的权限并查看。