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c# - 项目系统在尝试加载项目时遇到错误

coder 2024-05-26 原文

在 Visual Studio 2017 v15.7.1 中，我在尝试加载我的项目之一时收到以下错误窗口:

当我转到指定的路径时，在测试文件中我发现了一个非常长的堆栈跟踪，我无法复制所有它，因为它超出了允许的字符数。

===================== 5/31/2018 3:40:57 PM LimitedFunctionality System.AggregateException: Project system data flow 'ProjectBuildSnapshotService Outer 320459' closed because of an exception: System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.AggregateException: One or more errors occurred. ---> System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.VisualStudio.ProjectServices.DesignTimeBuilder.d__17.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.Build.DesignTimeBuilderService.BuilderLifetimeHelper.d__12.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.Build.DesignTimeBuilderService.d__36.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.VisualStudio.ProjectSystem.Build.DesignTimeBuilderService.d__36.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
at Microsoft.VisualStudio.ProjectSystem.Build.DesignTimeBuildManagerService.d__55.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
at Microsoft.VisualStudio.ProjectSystem.Build.DesignTimeBuildManagerService.d__53.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.Designers.ProjectBuildSnapshotService.d__74.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
at Microsoft.VisualStudio.ProjectSystem.Designers.ProjectBuildSnapshotService.<>c__DisplayClass72_0.<b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Threading.JoinableTask.d__78.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Threading.JoinableTask1.<JoinAsync>d__3.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.Designers.ProjectBuildSnapshotService.<UpdateSnapshotCoreAsync>d__72.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)<br/> at Microsoft.VisualStudio.ProjectSystem.Designers.CustomizableBlockSubscriberBase3.d__34.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.Designers.CustomizableBlockSubscriberBase3.<>c__DisplayClass32_0.<<Initialize>b__1>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.Threading.JoinableTask.<JoinAsync>d__78.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.Designers.CustomizableBlockSubscriberBase3.<b__32_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.VisualStudio.ProjectSystem.DataflowExtensions.<>c__DisplayClass24_0`2.<b__0>d.MoveNext()

最佳答案

我发现您需要执行两个步骤来解决此问题:

  1. 删除解决方案级别的 .vs 文件夹。
  2. 删除解决方案中所有项目中的 bin 和 obj 文件夹。

我在 Visual Studio 2017 v15.7.4 中遇到了该问题，受影响的项目/解决方案是在 v15.7.4 中创建的，因此无需升级到新版本的 Visual Studio 即可发生。

关于c# - 项目系统在尝试加载项目时遇到错误，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/50624775/

c#项目CompilerServicesTaskAwaiterSystemvisual-studiovisual-studio-2017

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