Blazor - Javascript error in error log for __virtual file

[JoeRobich]

Originally posted at https://github.com/OmniSharp/omnisharp-vscode/issues/5183

Issue Description

In a simple HTML Blazor file with an edit form, errors are being shown in the error panel. Unsure the cause.

The razor file:

The errors:

The index.razor__virtual file:

Steps to Reproduce

Add an EditForm to a Blazor project.

Expected Behavior

No errors

Actual Behavior

Errors are shown.

Logs

OmniSharp log

Starting OmniSharp server at 4/23/2022, 7:28:15 PM Target: /Users/john/Developer/DotNet/BlazorApp

OmniSharp server started with .NET 6.0.202 . Path: /Users/john/.vscode-insiders/extensions/ms-dotnettools.csharp-1.24.4-darwin-arm64/.omnisharp/1.38.2-net6.0/OmniSharp.dll PID: 79775

Starting OmniSharp on Unknown 0.0 (Unknown) info: OmniSharp.Services.DotNetCliService Checking the 'DOTNET_ROOT' environment variable to find a .NET SDK info: OmniSharp.Services.DotNetCliService Using the 'dotnet' on the PATH. info: OmniSharp.Services.DotNetCliService DotNetPath set to dotnet info: OmniSharp.MSBuild.Discovery.MSBuildLocator Located 3 MSBuild instance(s) 1: .NET Core SDK 6.0.202 17.1.1 - "/usr/local/share/dotnet/sdk/6.0.202/" 2: .NET Core SDK 6.0.201 17.1.0 - "/usr/local/share/dotnet/sdk/6.0.201/" 3: .NET Core SDK 6.0.102 17.0.0 - "/usr/local/share/dotnet/sdk/6.0.102/" info: OmniSharp.MSBuild.Discovery.MSBuildLocator Registered MSBuild instance: .NET Core SDK 6.0.202 17.1.1 - "/usr/local/share/dotnet/sdk/6.0.202/" info: OmniSharp.WorkspaceInitializer Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.CSharpFormattingWorkspaceOptionsProvider, Order: 0 info: OmniSharp.MSBuild.ProjectSystem Detecting projects in '/Users/john/Developer/DotNet/BlazorApp/BlazorApp.sln'. info: OmniSharp.MSBuild.ProjectManager Queue project update for '/Users/john/Developer/DotNet/BlazorApp/BlazorApp.csproj' info: OmniSharp.Script.ScriptProjectSystem Detecting CSX files in '/Users/john/Developer/DotNet/BlazorApp'. info: OmniSharp.Script.ScriptProjectSystem Did not find any CSX files info: OmniSharp.WorkspaceInitializer Configuration finished. info: OmniSharp.Stdio.Host Omnisharp server running using Stdio at location '/Users/john/Developer/DotNet/BlazorApp' on host 79675. info: OmniSharp.MSBuild.ProjectManager Loading project: /Users/john/Developer/DotNet/BlazorApp/BlazorApp.csproj info: OmniSharp.MSBuild.ProjectManager Successfully loaded project file '/Users/john/Developer/DotNet/BlazorApp/BlazorApp.csproj'. info: OmniSharp.MSBuild.ProjectManager Adding project '/Users/john/Developer/DotNet/BlazorApp/BlazorApp.csproj' info: OmniSharp.MSBuild.ProjectManager Update project: BlazorApp info: OmniSharp.Roslyn.CSharp.Services.Diagnostics.CSharpDiagnosticWorkerWithAnalyzers Solution initialized -> queue all documents for code analysis. Initial document count: 7. Received response for /v2/getcodeactions but could not find request. Received response for /quickinfo but could not find request. [warn]: OmniSharp.Stdio.Host ************ Request ************ { "Type": "request", "Seq": 60, "Command": "/close", "Arguments": { "FileName": "/Users/john/Developer/DotNet/BlazorApp/Pages/Index.razor__virtual.cs" } } [fail]: OmniSharp.Stdio.Host ************ Response (24.6933ms) ************ { "Request_seq": 60, "Command": "/close", "Running": true, "Success": false, "Message": ""System.ArgumentException: '<Documentfc00b2e0-adb6-4d21-b57e-0e90c743313e>' is not part of the workspace.\n at Microsoft.CodeAnalysis.Workspace.CheckDocumentIsInCurrentSolution(DocumentId documentId)\n at Microsoft.CodeAnalysis.Workspace.OnDocumentClosed(DocumentId documentId, TextLoader reloader, Boolean updateActiveContext)\n at OmniSharp.OmniSharpWorkspace.CloseDocument(DocumentId documentId) in /Users/runner/work/1/s/src/OmniSharp.Roslyn/OmniSharpWorkspace.cs:line 100\n at OmniSharp.Roslyn.CSharp.Services.Files.FileCloseService.Handle(FileCloseRequest request) in /Users/runner/work/1/s/src/OmniSharp.Roslyn.CSharp/Services/Files/FileCloseService.cs:line 25\n at OmniSharp.Endpoint.EndpointHandler2.AggregateResponsesFromLanguageHandlers(ExportHandler2[] handlers, TRequest request) in /Users/runner/work/1/s/src/OmniSharp.Host/Endpoint/EndpointHandler.cs:line 164\n at OmniSharp.Endpoint.EndpointHandler2.HandleRequestForLanguage(String language, TRequest request, RequestPacket packet) in /Users/runner/work/1/s/src/OmniSharp.Host/Endpoint/EndpointHandler.cs:line 234\\n at OmniSharp.Endpoint.EndpointHandler2.Process(RequestPacket packet, LanguageModel model, JToken requestObject) in /Users/runner/work/1/s/src/OmniSharp.Host/Endpoint/EndpointHandler.cs:line 143\n at OmniSharp.Stdio.Host.HandleRequest(String json, ILogger logger) in /Users/runner/work/1/s/src/OmniSharp.Stdio/Host.cs:line 258"", "Body": null, "Seq": 17005, "Type": "response" }

C# log

empty

Environment information

VSCode version: 1.67.0-insider C# Extension: 1.24.4

Mono Information

OmniSharp using built-in mono

Dotnet Information

.NET SDK (reflecting any global.json): Version: 6.0.202 Commit: f8a55617d2

Runtime Environment: OS Name: Mac OS X OS Version: 12.3 OS Platform: Darwin RID: osx.12-arm64 Base Path: /usr/local/share/dotnet/sdk/6.0.202/

Host (useful for support): Version: 6.0.4 Commit: be98e88c76

.NET SDKs installed: 6.0.102 [/usr/local/share/dotnet/sdk] 6.0.201 [/usr/local/share/dotnet/sdk] 6.0.202 [/usr/local/share/dotnet/sdk]

.NET runtimes installed: Microsoft.AspNetCore.App 6.0.3 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 6.0.4 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App] Microsoft.NETCore.App 6.0.3 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.4 [/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
Angular2	johnpapa	13.0.0
asm-code-lens	maziac	1.10.2
csharp	ms-dotnettools	1.24.4
EditorConfig	EditorConfig	0.16.4
githistory	donjayamanne	0.6.19
hexeditor	ms-vscode	1.9.6
js-debug-nightly	ms-vscode	2022.4.2117
material-icon-theme	PKief	4.16.0
msbuild-project-tools	tintoy	0.4.3
ng-template	Angular	13.3.1
night-owl	sdras	2.0.1
open-in-browser	techer	2.0.0
ossaction	pgarcia	1.0.0
output-colorizer	IBM	0.1.2
path-intellisense	christian-kohler	2.8.0
quicktype	quicktype	12.0.46
rails	bung87	0.17.8
slim	sianglim	0.1.2
TabOut	albert	0.2.1
vscode-eslint	dbaeumer	2.2.2
vscode-gemfile	bung87	0.4.2
vscode-svgviewer	cssho	2.0.0
vscode-thunder-client	rangav	1.16.2
vscode-typescript-next	ms-vscode	4.7.20220421
vscodeintellicode	VisualStudioExptTeam	1.2.20
winteriscoming	johnpapa	1.4.4

[jtsom]

Hello? Anyone looking at this? Been 20 days since it was opened, and even more since it was files originally on the Omnisharp repo.

[matt-pietrzak]

I've been affected by the same bug. As a workaround I've added following to settings.json to hide those errors:

"files.associations": { "**/*.razor__virtual.html": "text" }