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error opening csproj with visual studio 2017 rc #1129

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opened 2025-08-09 17:18:59 +00:00 by fergalmoran · 0 comments
fergalmoran commented 2025-08-09 17:18:59 +00:00
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Originally created by @lucamorelli on 1/9/2017

Hi, I have Vs 2015 rc updated with the latest fixes, installed the latest version of the aspnetcore generator and generated the project using csproj format.
If I try to open it using visual studio, it crashed and in the VsProjectsFault* log file I find this:

=====================
09/01/2017 16:05:55
Recoverable
System.AggregateException: One or more errors occurred. ---> System.ArgumentNullException: Value cannot be null.
Parameter name: key
   at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.EnsureNotFaultedTree(IProjectVersionedValue`1 appliedValue)
   at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.<PublishAnyNonLoadingTreeAsync>d__68.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.VS.Implementation.Package.ProjectNode.<>c__DisplayClass635_0.<<ParseCanonicalName>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.CompleteOnCurrentThread()
   at Microsoft.VisualStudio.Threading.JoinableTask`1.CompleteOnCurrentThread()
   at Microsoft.VisualStudio.Threading.JoinableTaskFactory.Run[T](Func`1 asyncMethod, JoinableTaskCreationOptions creationOptions)
   at Microsoft.VisualStudio.ProjectSystem.ProjectMultiThreadedService.ExecuteSynchronously[T](Func`1 asyncAction)
   at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.ProjectNode.<>c__DisplayClass554_0.<HrInvoke>b__0()
   at Microsoft.VisualStudio.ProjectSystem.VS.HResult.Invoke(Func`1 action, IServiceProvider vsShellServiceProvider, IProjectFaultHandlerService projectFaultHandlerService, UnconfiguredProject project)
   --- End of inner exception stack trace ---
---> (Inner Exception #0) System.ArgumentNullException: Value cannot be null.
Parameter name: key
   at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.EnsureNotFaultedTree(IProjectVersionedValue`1 appliedValue)
   at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.<PublishAnyNonLoadingTreeAsync>d__68.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.VS.Implementation.Package.ProjectNode.<>c__DisplayClass635_0.<<ParseCanonicalName>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.CompleteOnCurrentThread()
   at Microsoft.VisualStudio.Threading.JoinableTask`1.CompleteOnCurrentThread()
   at Microsoft.VisualStudio.Threading.JoinableTaskFactory.Run[T](Func`1 asyncMethod, JoinableTaskCreationOptions creationOptions)
   at Microsoft.VisualStudio.ProjectSystem.ProjectMultiThreadedService.ExecuteSynchronously[T](Func`1 asyncAction)
   at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.ProjectNode.<>c__DisplayClass554_0.<HrInvoke>b__0()
   at Microsoft.VisualStudio.ProjectSystem.VS.HResult.Invoke(Func`1 action, IServiceProvider vsShellServiceProvider, IProjectFaultHandlerService projectFaultHandlerService, UnconfiguredProject project)<---

===================
*Originally created by @lucamorelli on 1/9/2017* Hi, I have Vs 2015 rc updated with the latest fixes, installed the latest version of the aspnetcore generator and generated the project using csproj format. If I try to open it using visual studio, it crashed and in the VsProjectsFault* log file I find this: ``` ===================== 09/01/2017 16:05:55 Recoverable System.AggregateException: One or more errors occurred. ---> System.ArgumentNullException: Value cannot be null. Parameter name: key at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.EnsureNotFaultedTree(IProjectVersionedValue`1 appliedValue) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.<PublishAnyNonLoadingTreeAsync>d__68.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.VS.Implementation.Package.ProjectNode.<>c__DisplayClass635_0.<<ParseCanonicalName>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.CompleteOnCurrentThread() at Microsoft.VisualStudio.Threading.JoinableTask`1.CompleteOnCurrentThread() at Microsoft.VisualStudio.Threading.JoinableTaskFactory.Run[T](Func`1 asyncMethod, JoinableTaskCreationOptions creationOptions) at Microsoft.VisualStudio.ProjectSystem.ProjectMultiThreadedService.ExecuteSynchronously[T](Func`1 asyncAction) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.ProjectNode.<>c__DisplayClass554_0.<HrInvoke>b__0() at Microsoft.VisualStudio.ProjectSystem.VS.HResult.Invoke(Func`1 action, IServiceProvider vsShellServiceProvider, IProjectFaultHandlerService projectFaultHandlerService, UnconfiguredProject project) --- End of inner exception stack trace --- ---> (Inner Exception #0) System.ArgumentNullException: Value cannot be null. Parameter name: key at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.EnsureNotFaultedTree(IProjectVersionedValue`1 appliedValue) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.TreeService.<PublishAnyNonLoadingTreeAsync>d__68.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.VS.Implementation.Package.ProjectNode.<>c__DisplayClass635_0.<<ParseCanonicalName>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.CompleteOnCurrentThread() at Microsoft.VisualStudio.Threading.JoinableTask`1.CompleteOnCurrentThread() at Microsoft.VisualStudio.Threading.JoinableTaskFactory.Run[T](Func`1 asyncMethod, JoinableTaskCreationOptions creationOptions) at Microsoft.VisualStudio.ProjectSystem.ProjectMultiThreadedService.ExecuteSynchronously[T](Func`1 asyncAction) at Microsoft.VisualStudio.ProjectSystem.VS.Implementation.Package.ProjectNode.<>c__DisplayClass554_0.<HrInvoke>b__0() at Microsoft.VisualStudio.ProjectSystem.VS.HResult.Invoke(Func`1 action, IServiceProvider vsShellServiceProvider, IProjectFaultHandlerService projectFaultHandlerService, UnconfiguredProject project)<--- =================== ```
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Reference: github/JavaScriptServices#1129
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