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Unhandled exception in Razor file when targeting net6.0 #4573

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JoeRobich opened this issue May 26, 2021 · 2 comments
Closed

Unhandled exception in Razor file when targeting net6.0 #4573

JoeRobich opened this issue May 26, 2021 · 2 comments
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@JoeRobich
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Issue Description

OmniSharp process is killed when trying to provide language services within a .razor file.

The same project targeting net5.0 does not have this issue. Wondering if the issue might be SourceGenerator related.

Steps to Reproduce

Create a new blazor server application by running dotnet new blazorserver -o TestBlazor
Open the TestBlazor folder in vscode by running code ./TestBlazor
Wait for OmniSharp to finish loading the project
Open Pages/Counter.razor
Click on @currentCounter and hover over it

Expected Behavior

QuickInfo is displayed and possibly CodeActions are recommended

Actual Behavior

The OmniSharp process is killed by an unhandled exception.

Unhandled Exception: 
System.NullReferenceException: Object reference not set to an instance of an object
  at OmniSharp.Helpers.LocationExtensions+<>c__DisplayClass0_0.<GetQuickFix>b__3 (Microsoft.CodeAnalysis.Document d) [0x00000] in <7cebb9e2d32f406c90f8cf74ce960a45>:0 
  at System.Linq.Enumerable.TryGetFirst[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate, System.Boolean& found) [0x0003f] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at System.Linq.Enumerable.FirstOrDefault[TSource] (System.Collections.Generic.IEnumerable`1[T] source, System.Func`2[T,TResult] predicate) [0x00000] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at OmniSharp.Helpers.LocationExtensions.<GetQuickFix>g__GetSourceText|0_0 (Microsoft.CodeAnalysis.Location location, System.Collections.Generic.IEnumerable`1[T] documents, System.Boolean hasMappedPath) [0x00013] in <7cebb9e2d32f406c90f8cf74ce960a45>:0 
  at OmniSharp.Helpers.LocationExtensions.GetQuickFix (Microsoft.CodeAnalysis.Location location, OmniSharp.OmniSharpWorkspace workspace) [0x00056] in <7cebb9e2d32f406c90f8cf74ce960a45>:0 
  at OmniSharp.Roslyn.CSharp.Services.Navigation.FindUsagesService+<>c__DisplayClass3_0.<Handle>b__2 (Microsoft.CodeAnalysis.Location l) [0x00000] in <7cebb9e2d32f406c90f8cf74ce960a45>:0 
  at System.Linq.Enumerable+SelectEnumerableIterator`2[TSource,TResult].MoveNext () [0x00048] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at System.Linq.Set`1[TElement].UnionWith (System.Collections.Generic.IEnumerable`1[T] other) [0x00018] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at System.Linq.Enumerable+DistinctIterator`1[TSource].FillSet () [0x0000b] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at System.Linq.Enumerable+DistinctIterator`1[TSource].ToArray () [0x00000] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at System.Linq.Buffer`1[TElement]..ctor (System.Collections.Generic.IEnumerable`1[T] source) [0x0000a] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at System.Linq.OrderedEnumerable`1+<GetEnumerator>d__3[TElement].MoveNext () [0x0001e] in <17e8581c65f940ca8137dd67206f5dbd>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList (Newtonsoft.Json.JsonWriter writer, System.Collections.IEnumerable values, Newtonsoft.Json.Serialization.JsonArrayContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract collectionContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x000e1] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonContract valueContract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x000d6] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeObject (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonObjectContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract collectionContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x0008d] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonContract valueContract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x000b2] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeObject (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonObjectContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract collectionContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x0008d] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeValue (Newtonsoft.Json.JsonWriter writer, System.Object value, Newtonsoft.Json.Serialization.JsonContract valueContract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty) [0x000b2] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.Type objectType) [0x00079] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.JsonSerializer.SerializeInternal (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.Type objectType) [0x0023a] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.JsonSerializer.Serialize (Newtonsoft.Json.JsonWriter jsonWriter, System.Object value, System.Type objectType) [0x00000] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.JsonConvert.SerializeObjectInternal (System.Object value, System.Type type, Newtonsoft.Json.JsonSerializer jsonSerializer) [0x00028] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.JsonConvert.SerializeObject (System.Object value, System.Type type, Newtonsoft.Json.JsonSerializerSettings settings) [0x00007] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at Newtonsoft.Json.JsonConvert.SerializeObject (System.Object value) [0x00000] in <2676a2da6edc420e890ed28aa4572ee5>:0 
  at OmniSharp.Protocol.Packet.ToString () [0x00000] in <32f893db32d8414b88ecbc8842ce6d2c>:0 
  at System.IO.TextWriter.WriteLine (System.Object value) [0x00028] in <b18e5763ec3f41e68a8fe16d7f5e0bee>:0 
  at System.IO.TextWriter+SyncTextWriter.WriteLine (System.Object value) [0x00000] in <b18e5763ec3f41e68a8fe16d7f5e0bee>:0 
  at (wrapper synchronized) System.IO.TextWriter+SyncTextWriter.WriteLine(object)
  at OmniSharp.Services.SharedTextWriter.ProcessWriteQueue () [0x0001d] in <32f893db32d8414b88ecbc8842ce6d2c>:0 
  at System.Threading.ThreadHelper.ThreadStart_Context (System.Object state) [0x00014] in <b18e5763ec3f41e68a8fe16d7f5e0bee>:0 
  at System.Threading.ExecutionContext.RunInternal (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) [0x00071] in <b18e5763ec3f41e68a8fe16d7f5e0bee>:0 
  at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state, System.Boolean preserveSyncCtx) [0x00000] in <b18e5763ec3f41e68a8fe16d7f5e0bee>:0 
  at System.Threading.ExecutionContext.Run (System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, System.Object state) [0x0002b] in <b18e5763ec3f41e68a8fe16d7f5e0bee>:0 
  at System.Threading.ThreadHelper.ThreadStart () [0x00008] in <b18e5763ec3f41e68a8fe16d7f5e0bee>:0

Logs

OmniSharp log

Post the output from Output-->OmniSharp log here

C# log

Post the output from Output-->C# here

Environment information

VSCode version: 1.57.0-insider
C# Extension: 1.23.12

Mono Information OmniSharp using built-in mono
Dotnet Information .NET SDK (reflecting any global.json): Version: 6.0.100-preview.4.21255.9 Commit: 950e4949a7

Runtime Environment:
OS Name: Mac OS X
OS Version: 11.0
OS Platform: Darwin
RID: osx.11.0-x64
Base Path: /usr/local/share/dotnet/sdk/6.0.100-preview.4.21255.9/

Host (useful for support):
Version: 6.0.0-preview.5.21229.9
Commit: 49aec59e52

.NET SDKs installed:
2.1.811 [/usr/local/share/dotnet/sdk]
3.1.408 [/usr/local/share/dotnet/sdk]
3.1.409 [/usr/local/share/dotnet/sdk]
5.0.104 [/usr/local/share/dotnet/sdk]
5.0.202 [/usr/local/share/dotnet/sdk]
5.0.203 [/usr/local/share/dotnet/sdk]
6.0.100-alpha.1.21065.7 [/usr/local/share/dotnet/sdk]
6.0.100-preview.1.21103.13 [/usr/local/share/dotnet/sdk]
6.0.100-preview.2.21155.3 [/usr/local/share/dotnet/sdk]
6.0.100-preview.3.21202.5 [/usr/local/share/dotnet/sdk]
6.0.100-preview.4.21255.9 [/usr/local/share/dotnet/sdk]

.NET runtimes installed:
Microsoft.AspNetCore.All 2.1.23 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.23 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.6 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.7 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.8 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.9 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.10 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.11 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.12 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.13 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.14 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 3.1.15 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.0-preview.7.20365.19 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.0-preview.8.20412.3 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.0-preview.8.20414.8 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.0-rc.1.20451.17 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.0-rc.2.20474.4 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.0-rc.2.20475.17 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.0 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.2 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.3 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.4 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.5 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.6 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.0-alpha.1.21064.29 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.0-preview.1.21103.6 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.0-preview.2.21154.6 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.0-preview.3.21201.13 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.0-preview.4.21253.5 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 2.1.23 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 3.1.14 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 3.1.15 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.4 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.5 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.6 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.0-preview.1.21102.12 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.0-preview.2.21154.6 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.0-preview.4.21221.4 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.0-preview.4.21253.7 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.0-preview.5.21229.9 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET runtimes or SDKs:
https://aka.ms/dotnet-download

Visual Studio Code Extensions
Extension Author Version
cpptools ms-vscode 1.3.1
csharp ms-dotnettools 1.23.12
debugger-for-chrome msjsdiag 4.12.12
debugger-for-edge msjsdiag 1.0.15
dotnet-test-explorer formulahendry 0.7.5
EditorConfig EditorConfig 0.16.4
gitlens eamodio 11.4.1
jupyter ms-toolsai 2021.6.879154572
msbuild-project-tools tintoy 0.3.15
powershell-preview ms-vscode 2021.5.0
remote-containers ms-vscode-remote 0.179.0
remote-ssh ms-vscode-remote 0.65.6
remote-ssh-edit ms-vscode-remote 0.65.6
remote-wsl ms-vscode-remote 0.56.3
vscode-eslint dbaeumer 2.1.20
vscode-remote-extensionpack ms-vscode-remote 0.21.0
vscode-typescript-tslint-plugin ms-vscode 1.3.3
vsliveshare ms-vsliveshare 1.0.4272
vsliveshare-audio ms-vsliveshare 0.1.91
@filipw
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filipw commented May 26, 2021 •
edited
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looks the same as OmniSharp/omnisharp-roslyn#2125?
opened OmniSharp/omnisharp-roslyn#2163 for a quick fix

@NTaylorMullen NTaylorMullen mentioned this issue Jun 9, 2021
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@JoeRobich
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Closing as duplicate of OmniSharp/omnisharp-roslyn#2125

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