目标kernel_snapshot失败:异常:快照创建过程中出现错误:空构建失败
目标kernel_snapshot失败:异常:快照创建过程中出现错误:空构建失败
提问于 2019-12-17 15:01:58
我已经更新到最新的颤动更新。当我想要启动项目时，它会返回一个错误。这个项目依赖于几个存储库，我不知道这是不是原因。我尝试了多种解决方案，但都不能解决错误。希望有人能帮我。谢谢。
编译器消息：
/C:/src/flutter/.pub-cache/hosted/pub.dartlang.org/mvvm-0.1.7/lib/view_context_helpers/logical.dart:151:25: Error: The function expression type 'Widget Function(BuildContext, Null, Widget) Function(TValue)' isn't of expected type 'Widget Function(BuildContext, TValue, Widget) Function(TValue)'.
- 'Widget' is from 'package:flutter/src/widgets/framework.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/framework.dart').
- 'BuildContext' is from 'package:flutter/src/widgets/framework.dart' ('/C:/src/flutter/packages/flutter/lib/src/widgets/framework.dart').
Change the type of the function expression or the context in which it is used.
selector: (TValue value) =>
^
Target kernel_snapshot failed: Exception: Errors during snapshot creation: null
build failed.
FAILURE: Build failed with an exception.
* Where:
Script 'C:\src\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 780
* What went wrong:
Execution failed for task ':app:compileFlutterBuildDebug'.
> Process 'command 'C:\src\flutter\bin\flutter.bat'' finished with non-zero exit value 1
* 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
BU�LD FAILED in 31s
Finished with error: Gradle task assembleDebug failed with exit code 1回答 3
Stack Overflow用户
回答已采纳
发布于 2019-12-17 18:59:39
Stack Overflow用户
发布于 2020-06-03 02:59:34
Solution 1
1.Ensure compatible engines and frameworks.
2.Update flutter or install flutter to a newer version,
still issue persists, Roll back flutter or engine to an older version.
Best solution to fix by time saving but not preferable, please follow
Solution 2
1. Download latest version flutter sdk and setup.
2. Fix it by creating a new project and copying the code from the old one.
有关更多详细信息，请参阅以下链接
http://codekhichdi.com/flutter/target-kernel_snapshot-failed-exception-errors-during-snapshot-creation-null
Stack Overflow用户
发布于 2020-07-16 14:57:15
此错误也是由于插件/包不兼容而发生的。在你的pubsec.yaml文件中肯定有一些升级到新版本的包，而你仍然在使用它的旧版本/过时的方法。
因此，您需要用new替换所有不推荐使用的方法。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/59369091
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