在flutter中运行应用程序时，任务'：app：cleanMergeDebugAssets'的执行失败

debugcn 发表于 Dev

阿什迪普·辛格

在Visual Studio Code v1.46.1中运行应用程序时出现主要错误

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':app:cleanMergeDebugAssets'.
> Unable to delete directory 'E:\ACNO\Flutter\jots_mobile\build\app\intermediates\merged_assets\debug\out'
    Failed to delete some children. This might happen because a process has files open or has its working directory set in the target directory.
    - E:\ACNO\Flutter\jots_mobile\build\app\intermediates\merged_assets\debug\out\flutter_assets\assets
    - E:\ACNO\Flutter\jots_mobile\build\app\intermediates\merged_assets\debug\out\flutter_assets\packages\cupertino_icons
    - E:\ACNO\Flutter\jots_mobile\build\app\intermediates\merged_assets\debug\out\flutter_assets\packages
    - E:\ACNO\Flutter\jots_mobile\build\app\intermediates\merged_assets\debug\out\flutter_assets

* 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 50s
Exception: Gradle task assembleDebug failed with exit code 1
Exited (sigterm)

此错误得到解决后flutter clean，甚至显示以下错误

以下是输出 flutter clean

Failed to remove build. A program may still be using a file in the directory or the directory itself. To find and stop such a program, see:
https://superuser.com/questions/1333118/cant-delete-empty-folder-because-it-is-used
Deleting build...                                                   19ms
Failed to remove E:\ACNO\Flutter\jots_mobile\.dart_tool. A program may still be using a file in the directory or the directory itself. To find and stop such a program, see:   
https://superuser.com/questions/1333118/cant-delete-empty-folder-because-it-is-used
Deleting .dart_tool...                                              21ms
Deleting Generated.xcconfig...                                       4ms
Deleting flutter_export_environment.sh...

即使我按照此答案中所述杀死使用build和.dart_tool文件夹的进程，也会显示相同的错误flutter clean

因此，现在我必须手动转到文件资源管理器并删除build＆.dart_tool文件夹，这是这里的主要问题！

简介：运行该应用程序时出现的主要错误可在以后得到解决，flutter clean但即使显示出一个错误，因此现在我必须手动删除build＆.dart_tool文件夹！

问：如何解决这些问题？

更新：刚注意到，当我使用“ f5”在VS代码中运行程序时发生此错误，而不是flutter run在终端或Android Studio中使用命令时发生，但是一旦发生“ f5”，该错误就会在flutter run命令和Android中发生两个工作室。我猜想，VS Code扩展中的某些功能存在问题，该扩展启用了此“ f5”快捷方式！

查看这些GitHub问题• flutter / flutter • fwcd / vscode-kotlin

提亚拉什·大卫（Thiyraash David）

问题出在VS Code中的Kotlin插件，因此删除它应该可以解决我们的问题！

现在，我可以在调试模式下运行项目。下面是我扑扑的医生

Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, v1.17.4, on Microsoft Windows [Version 10.0.17763.1282, locale en-MY)

[√] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[√] Android Studio (version 4.0)
[√] VS Code (version 1.46.1)
[√] VS Code, 64-bit edition (version 1.46.1)
[√] Connected device (1 available)

我在VS Code中重新安装了Kotlin插件，问题又回来了。我将其删除，项目运行。所以我猜它是插件。我使用和删除的插件是Kotlin 0.2.17

任何人都可以仔细检查问题是否是由于这个原因吗？

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