extension bug

Type: <b>Bug</b>

## Issue Description ##
## Steps to Reproduce ##

## Expected Behavior ##

## Actual Behavior ##



Extension version: 2.130.5
VS Code version: Code 1.118.1 (034f571df509819cc10b0c8129f66ef77a542f0e, 2026-04-29T17:36:44+03:00)
OS version: Windows_NT x64 10.0.26200
Modes:

### Logs ###


### C# log ###
<details>

```
2026-05-05 09:17:38.600 [info] Locating .NET runtime version 10.0.5
2026-05-05 09:17:41.351 [info] Dotnet path: c:\Users\AhmedAbbas\AppData\Roaming\Code\User\globalStorage\ms-dotnettools.vscode-dotnet-runtime\.dotnet\10.0.7~x64~aspnetcore\dotnet.exe
2026-05-05 09:17:41.351 [info] Activating C# + C# Dev Kit...
2026-05-05 09:17:44.380 [info] info: Program[0]
2026-05-05 09:17:44.380 [info]       Server started with process ID 5424
2026-05-05 09:17:44.904 [info] [Program] Language server initialized
2026-05-05 09:17:45.009 [info] [Program] Monitoring client process 12484 for exit
2026-05-05 09:18:01.240 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project P:\Internal-bsi-artist-portal\tests\Bsi.ArtistPortal.Tests\Bsi.ArtistPortal.Tests.csproj loaded by C# Dev Kit
2026-05-05 09:18:01.312 [info] [serviceBroker/connect] [WorkspaceProjectFactoryService] Project P:\Internal-bsi-artist-portal\src\Bsi.ArtistPortal.Web\Bsi.ArtistPortal.Web.csproj loaded by C# Dev Kit
2026-05-05 13:53:41.386 [error] [textDocument/didOpen] [LSP] Unable to parse URI _claude_vscode_fs_right:/p:/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
2026-05-05 13:53:41.405 [error] [textDocument/diagnostic] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/diagnostic
2026-05-05 13:53:41.406 [error] Request textDocument/diagnostic failed.
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:41.406 [error] Document pull failed for text document _claude_vscode_fs_right:/p%3A/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:41.582 [error] [textDocument/codeAction] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/codeAction
2026-05-05 13:53:41.582 [error] Request textDocument/codeAction failed.
  Message: Failed to get language for textDocument/codeAction
  Code: -30099 
2026-05-05 13:53:41.590 [error] [textDocument/_vs_getProjectContexts] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/_vs_getProjectContexts
2026-05-05 13:53:41.591 [error] Error making textDocument/_vs_getProjectContexts request Failed to get language for textDocument/_vs_getProjectContexts
2026-05-05 13:53:41.600 [error] [textDocument/documentSymbol] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/documentSymbol
2026-05-05 13:53:41.600 [error] Request textDocument/documentSymbol failed.
  Message: Failed to get language for textDocument/documentSymbol
  Code: -30099 
2026-05-05 13:53:41.603 [error] [LSP] System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync()
2026-05-05 13:53:41.603 [info] [LSP] Error occurred processing queue: Missing default or language handler for textDocument/documentColor and language default.
2026-05-05 13:53:41.685 [info] Connection to server got closed. Server will restart.
2026-05-05 13:53:41.853 [error] Unhandled exception. System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
2026-05-05 13:53:41.853 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync()
2026-05-05 13:53:41.853 [error]    at Microsoft.CodeAnalysis.LanguageServer.LanguageServer.LanguageServerHost.WaitForExitAsync() in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/LanguageServer/LanguageServerHost.cs:line 78
2026-05-05 13:53:41.853 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 173
2026-05-05 13:53:41.853 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 181
2026-05-05 13:53:41.853 [error]    at System.CommandLine.Command.<>c__DisplayClass32_0.<<SetAction>b__0>d.MoveNext()
2026-05-05 13:53:41.853 [error] --- End of stack trace from previous location ---
2026-05-05 13:53:41.853 [error]    at System.CommandLine.Invocation.InvocationPipeline.InvokeAsync(ParseResult parseResult, CancellationToken cancellationToken)
2026-05-05 13:53:41.853 [error]    at Program.<Main>$(String[] args) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 33
2026-05-05 13:53:41.853 [error]    at Program.<Main>(String[] args)
2026-05-05 13:53:41.970 [info] info: Program[0]
2026-05-05 13:53:41.970 [info]       Server started with process ID 10172
2026-05-05 13:53:43.336 [info] [Program] Language server initialized
2026-05-05 13:53:43.338 [info] [Program] Monitoring client process 12484 for exit
2026-05-05 13:53:44.173 [error] [textDocument/diagnostic] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/diagnostic
2026-05-05 13:53:44.176 [error] Request textDocument/diagnostic failed.
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:44.176 [error] Document pull failed for text document _claude_vscode_fs_right:/p%3A/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:44.176 [error] [textDocument/didOpen] [LSP] Unable to parse URI _claude_vscode_fs_right:/p:/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
2026-05-05 13:53:44.283 [error] [LSP] System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:53:44.284 [info] [LSP] Error occurred processing queue: Missing default or language handler for textDocument/documentColor and language default.
2026-05-05 13:53:44.308 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:53:44.315 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:53:44.322 [error] Request textDocument/foldingRange failed.
  Message: Server was requested to shut down.
  Code: -32000 
[object Object]
2026-05-05 13:53:44.337 [info] Connection to server got closed. Server will restart.
2026-05-05 13:53:44.492 [error] Unhandled exception. System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
2026-05-05 13:53:44.492 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
2026-05-05 13:53:44.492 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:53:44.492 [error]    at Microsoft.CodeAnalysis.LanguageServer.LanguageServer.LanguageServerHost.WaitForExitAsync() in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/LanguageServer/LanguageServerHost.cs:line 78
2026-05-05 13:53:44.492 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 173
2026-05-05 13:53:44.492 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 181
2026-05-05 13:53:44.492 [error]    at System.CommandLine.Command.<>c__DisplayClass32_0.<<SetAction>b__0>d.MoveNext()
2026-05-05 13:53:44.492 [error] --- End of stack trace from previous location ---
2026-05-05 13:53:44.492 [error]    at System.CommandLine.Invocation.InvocationPipeline.InvokeAsync(ParseResult parseResult, CancellationToken cancellationToken)
2026-05-05 13:53:44.492 [error]    at Program.<Main>$(String[] args) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 33
2026-05-05 13:53:44.492 [error]    at Program.<Main>(String[] args)
2026-05-05 13:53:44.511 [info] info: Program[0]
2026-05-05 13:53:44.511 [info]       Server started with process ID 18748
2026-05-05 13:53:45.595 [info] [Program] Language server initialized
2026-05-05 13:53:45.598 [info] [Program] Monitoring client process 12484 for exit
2026-05-05 13:53:46.566 [error] [textDocument/diagnostic] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/diagnostic
2026-05-05 13:53:46.567 [error] Request textDocument/diagnostic failed.
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:46.567 [error] Document pull failed for text document _claude_vscode_fs_right:/p%3A/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:46.567 [error] [textDocument/didOpen] [LSP] Unable to parse URI _claude_vscode_fs_right:/p:/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
2026-05-05 13:53:46.686 [error] [LSP] System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:53:46.686 [info] [LSP] Error occurred processing queue: Missing default or language handler for textDocument/documentColor and language default.
2026-05-05 13:53:46.710 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:53:46.718 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:53:46.744 [info] Connection to server got closed. Server will restart.
2026-05-05 13:53:46.955 [error] Unhandled exception. System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
2026-05-05 13:53:46.955 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
2026-05-05 13:53:46.955 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:53:46.955 [error]    at Microsoft.CodeAnalysis.LanguageServer.LanguageServer.LanguageServerHost.WaitForExitAsync() in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/LanguageServer/LanguageServerHost.cs:line 78
2026-05-05 13:53:46.955 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 173
2026-05-05 13:53:46.955 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 181
2026-05-05 13:53:46.955 [error]    at System.CommandLine.Command.<>c__DisplayClass32_0.<<SetAction>b__0>d.MoveNext()
2026-05-05 13:53:46.955 [error] --- End of stack trace from previous location ---
2026-05-05 13:53:46.955 [error]    at System.CommandLine.Invocation.InvocationPipeline.InvokeAsync(ParseResult parseResult, CancellationToken cancellationToken)
2026-05-05 13:53:46.955 [error]    at Program.<Main>$(String[] args) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 33
2026-05-05 13:53:46.955 [error]    at Program.<Main>(String[] args)
2026-05-05 13:53:47.047 [info] info: Program[0]
2026-05-05 13:53:47.047 [info]       Server started with process ID 8048
2026-05-05 13:53:54.361 [info] Locating .NET runtime version 10.0.5
2026-05-05 13:53:55.570 [info] Dotnet path: c:\Users\AhmedAbbas\AppData\Roaming\Code\User\globalStorage\ms-dotnettools.vscode-dotnet-runtime\.dotnet\10.0.7~x64~aspnetcore\dotnet.exe
2026-05-05 13:53:55.570 [info] Activating C# + C# Dev Kit...
2026-05-05 13:53:55.800 [info] info: Program[0]
2026-05-05 13:53:55.800 [info]       Server started with process ID 19912
2026-05-05 13:53:57.965 [info] [Program] Language server initialized
2026-05-05 13:53:57.966 [info] [Program] Monitoring client process 17424 for exit
2026-05-05 13:53:59.957 [error] [textDocument/diagnostic] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/diagnostic
2026-05-05 13:53:59.958 [error] Request textDocument/diagnostic failed.
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:59.958 [error] Document pull failed for text document _claude_vscode_fs_right:/p%3A/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:53:59.959 [error] [textDocument/didOpen] [LSP] Unable to parse URI _claude_vscode_fs_right:/p:/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
2026-05-05 13:54:00.026 [error] [LSP] System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:54:00.063 [info] [LSP] Error occurred processing queue: Missing default or language handler for textDocument/documentColor and language default.
2026-05-05 13:54:00.071 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:54:00.076 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:54:00.160 [error] Request textDocument/foldingRange failed.
  Message: Server was requested to shut down.
  Code: -32000 
[object Object]
2026-05-05 13:54:00.174 [info] Connection to server got closed. Server will restart.
2026-05-05 13:54:00.494 [error] Unhandled exception. System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
2026-05-05 13:54:00.494 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
2026-05-05 13:54:00.494 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:54:00.494 [error]    at Microsoft.CodeAnalysis.LanguageServer.LanguageServer.LanguageServerHost.WaitForExitAsync() in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/LanguageServer/LanguageServerHost.cs:line 78
2026-05-05 13:54:00.494 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 173
2026-05-05 13:54:00.494 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 181
2026-05-05 13:54:00.494 [error]    at System.CommandLine.Command.<>c__DisplayClass32_0.<<SetAction>b__0>d.MoveNext()
2026-05-05 13:54:00.494 [error] --- End of stack trace from previous location ---
2026-05-05 13:54:00.494 [error]    at System.CommandLine.Invocation.InvocationPipeline.InvokeAsync(ParseResult parseResult, CancellationToken cancellationToken)
2026-05-05 13:54:00.494 [error]    at Program.<Main>$(String[] args) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 33
2026-05-05 13:54:00.494 [error]    at Program.<Main>(String[] args)
2026-05-05 13:54:00.647 [info] info: Program[0]
2026-05-05 13:54:00.647 [info]       Server started with process ID 1208
2026-05-05 13:54:10.004 [info] Locating .NET runtime version 10.0.5
2026-05-05 13:54:11.153 [info] Dotnet path: c:\Users\AhmedAbbas\AppData\Roaming\Code\User\globalStorage\ms-dotnettools.vscode-dotnet-runtime\.dotnet\10.0.7~x64~aspnetcore\dotnet.exe
2026-05-05 13:54:11.153 [info] Activating C# + C# Dev Kit...
2026-05-05 13:54:11.467 [info] info: Program[0]
2026-05-05 13:54:11.467 [info]       Server started with process ID 21852
2026-05-05 13:54:13.509 [info] [Program] Language server initialized
2026-05-05 13:54:13.514 [info] [Program] Monitoring client process 20668 for exit
2026-05-05 13:54:15.445 [error] [textDocument/diagnostic] [LSP] StreamJsonRpc.LocalRpcException: Failed to get language for textDocument/diagnostic
2026-05-05 13:54:15.624 [error] Request textDocument/diagnostic failed.
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:54:15.625 [error] Document pull failed for text document _claude_vscode_fs_right:/p%3A/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
  Message: Failed to get language for textDocument/diagnostic
  Code: -30099 
2026-05-05 13:54:15.625 [error] [textDocument/didOpen] [LSP] Unable to parse URI _claude_vscode_fs_right:/p:/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Components/Pages/Artists/ArtistNew.razor
2026-05-05 13:54:15.625 [error] [LSP] System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
   at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:54:15.634 [info] [LSP] Error occurred processing queue: Missing default or language handler for textDocument/documentColor and language default.
2026-05-05 13:54:15.684 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:54:15.695 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:54:15.698 [error] Workspace diagnostic pull failed.
Canceled: Canceled
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:61:9571)
	at o8.handleFailedRequest (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:1199)
	at c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:12638
	at runNextTicks (node:internal/process/task_queues:64:5)
	at process.processImmediate (node:internal/timers:452:9)
	at async Object.K5e [as provideWorkspaceDiagnostics] (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:950:2426)
	at async PZ.pullWorkspaceAsync (c:\Users\AhmedAbbas\.vscode\extensions\ms-dotnettools.csharp-2.130.5-win32-x64\dist\extension.js:54:9940)
2026-05-05 13:54:15.719 [error] Client Microsoft.CodeAnalysis.LanguageServer: connection to server is erroring.
This socket has been ended by the other party
2026-05-05 13:54:15.727 [error] Request textDocument/diagnostic failed.
  Message: This socket has been ended by the other party
  Code: -32099 
2026-05-05 13:54:15.727 [error] Document pull failed for text document file:///p%3A/Internal-bsi-artist-portal/src/Bsi.ArtistPortal.Web/Models/Entities/TourMyposTransaction.cs
  Message: This socket has been ended by the other party
  Code: -32099 
2026-05-05 13:54:15.740 [info] Connection to server got closed. Server will restart.
2026-05-05 13:54:16.201 [error] Unhandled exception. System.InvalidOperationException: Missing default or language handler for textDocument/documentColor and language default
2026-05-05 13:54:16.201 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.GetHandlerForRequest(IQueueItem`1 work, String language) in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 425
2026-05-05 13:54:16.201 [error]    at Microsoft.CommonLanguageServerProtocol.Framework.RequestExecutionQueue`1.ProcessQueueAsync() in /_/src/LanguageServer/Microsoft.CommonLanguageServerProtocol.Framework/RequestExecutionQueue.cs:line 254
2026-05-05 13:54:16.201 [error]    at Microsoft.CodeAnalysis.LanguageServer.LanguageServer.LanguageServerHost.WaitForExitAsync() in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/LanguageServer/LanguageServerHost.cs:line 78
2026-05-05 13:54:16.201 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 173
2026-05-05 13:54:16.201 [error]    at Program.<<Main>$>g__RunAsync|0_0(ServerConfiguration serverConfiguration, CancellationToken cancellationToken) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 181
2026-05-05 13:54:16.201 [error]    at System.CommandLine.Command.<>c__DisplayClass32_0.<<SetAction>b__0>d.MoveNext()
2026-05-05 13:54:16.202 [error] --- End of stack trace from previous location ---
2026-05-05 13:54:16.202 [error]    at System.CommandLine.Invocation.InvocationPipeline.InvokeAsync(ParseResult parseResult, CancellationToken cancellationToken)
2026-05-05 13:54:16.202 [error]    at Program.<Main>$(String[] args) in /_/src/LanguageServer/Microsoft.CodeAnalysis.LanguageServer/Program.cs:line 33
2026-05-05 13:54:16.202 [error]    at Program.<Main>(String[] args)
2026-05-05 13:54:16.294 [info] info: Program[0]
2026-05-05 13:54:16.294 [info]       Server started with process ID 31704
2026-05-05 13:54:18.369 [info] [Program] Language server initialized
2026-05-05 13:54:18.374 [info] [Program] Monitoring client process 20668 for exit

```
</details>

### C# LSP Trace Logs log ###
<details>

```

```
</details>



## Environment Information ##
**VSCode version**: 1.118.1
**C# Extension**: 2.130.5
**Using OmniSharp**: false


<details><summary>Dotnet Information</summary>

Host:
  Version:      10.0.7
  Architecture: x64
  Commit:       b16286c228
  RID:          win-x64

.NET SDKs installed:
  No SDKs were found.

.NET runtimes installed:
  Microsoft.AspNetCore.App 10.0.7 [c:\Users\AhmedAbbas\AppData\Roaming\Code\User\globalStorage\ms-dotnettools.vscode-dotnet-runtime\.dotnet\10.0.7~x64~aspnetcore\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 10.0.7 [c:\Users\AhmedAbbas\AppData\Roaming\Code\User\globalStorage\ms-dotnettools.vscode-dotnet-runtime\.dotnet\10.0.7~x64~aspnetcore\shared\Microsoft.NETCore.App]

Other architectures found:
  None

Environment variables:
  DOTNET_CLI_UI_LANGUAGE                   [en-US]
  DOTNET_MULTILEVEL_LOOKUP                 [0]
  DOTNET_NOLOGO                            [true]

global.json file:
  Not found

Learn more:
  https://aka.ms/dotnet/info

Download .NET:
  https://aka.ms/dotnet/download
</details>
<details><summary>Visual Studio Code Extensions</summary>

|Extension|Author|Version|Folder Name|
|---|---|---|---|
|chatgpt|openai|26.429.30905|openai.chatgpt-26.429.30905-win32-x64|
|claude-code|Anthropic|2.1.128|anthropic.claude-code-2.1.128-win32-x64|
|claude-code-cli-usage|zollicoff|0.1.4|zollicoff.claude-code-cli-usage-0.1.4|
|csdevkit|ms-dotnettools|3.10.14|ms-dotnettools.csdevkit-3.10.14-win32-x64|
|csharp|ms-dotnettools|2.130.5|ms-dotnettools.csharp-2.130.5-win32-x64|
|data-workspace-vscode|ms-mssql|0.6.3|ms-mssql.data-workspace-vscode-0.6.3|
|debugpy|ms-python|2026.6.0|ms-python.debugpy-2026.6.0-win32-x64|
|markdown-mermaid|bierner|1.32.0|bierner.markdown-mermaid-1.32.0|
|markdown-pdf|yzane|2.0.1|yzane.markdown-pdf-2.0.1|
|mssql|ms-mssql|1.42.2|ms-mssql.mssql-1.42.2|
|powershell|ms-vscode|2025.4.0|ms-vscode.powershell-2025.4.0|
|python|ms-python|2026.4.0|ms-python.python-2026.4.0-win32-x64|
|rainbow-csv|mechatroner|3.24.1|mechatroner.rainbow-csv-3.24.1|
|sql-bindings-vscode|ms-mssql|0.4.1|ms-mssql.sql-bindings-vscode-0.4.1|
|sql-database-projects-vscode|ms-mssql|1.5.9|ms-mssql.sql-database-projects-vscode-1.5.9|
|sqlite-viewer|qwtel|25.12.2|qwtel.sqlite-viewer-25.12.2-win32-x64|
|three-js-snippets|aerokaido|0.6.3|aerokaido.three-js-snippets-0.6.3|
|vscode-dotnet-runtime|ms-dotnettools|3.0.0|ms-dotnettools.vscode-dotnet-runtime-3.0.0|
|vscode-github-actions|github|0.31.5|github.vscode-github-actions-0.31.5|
|vscode-openapi|42Crunch|5.5.0|42crunch.vscode-openapi-5.5.0|
|vscode-pylance|ms-python|2026.2.1|ms-python.vscode-pylance-2026.2.1|
|vscode-python-envs|ms-python|1.28.0|ms-python.vscode-python-envs-1.28.0-win32-x64|
|vscode-yaml|redhat|1.22.0|redhat.vscode-yaml-1.22.0|;

</details>
<details><summary>C# Settings</summary>

|Setting|Value|
|---|---|
|preferCSharpExtension|false|
|compilerDiagnosticScope|openFiles|
|analyzerDiagnosticScope|openFiles|
|enableXamlTools|true|
|useServerGC|true|;

</details>
<details>
<summary>System Info</summary>

|Item|Value|
|---|---|
|CPUs|11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz (8 x 2995)|
|GPU Status|2d_canvas: enabled<br>GPU0: VENDOR= 0x8086, DEVICE=0x9a49 [Intel(R) Iris(R) Xe Graphics], DRIVER_VENDOR=Intel, DRIVER_VERSION=32.0.101.7084 *ACTIVE*<br>GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.8246<br>Machine model name: <br>Machine model version: <br>direct_rendering_display_compositor: disabled_off_ok<br>gpu_compositing: enabled<br>multiple_raster_threads: enabled_on<br>opengl: enabled_on<br>rasterization: enabled<br>raw_draw: disabled_off_ok<br>skia_graphite: disabled_off<br>trees_in_viz: disabled_off<br>video_decode: enabled<br>video_encode: enabled<br>webgl: enabled<br>webgl2: enabled<br>webgpu: enabled<br>webnn: disabled_off|
|Load (avg)|undefined|
|Memory (System)|31.73GB (8.64GB free)|
|Process Argv|. --crash-reporter-id ec030e2f-7d63-4a76-b468-e75695dc0bd7|
|Screen Reader|no|
|VM|0%|
</details><details>
<summary>A/B Experiments</summary>

```
vsliv368:30146709
vswsl492cf:30256860
pythonvspyt551cf:31249601
binariesv615:30325510
nativeloc1:31344060
dwcopilot:31170013
dwoutputs:31242946
copilot_t_ci:31333650
e5gg6876:31282496
pythonrdcb7:31342333
6518g693:31463988
aj953862:31281341
6abeh943:31336334
envsdeactivate2:31505458
cloudbuttont:31379625
3efgi100_wstrepl:31403338
bj468946:31457056
ec5jj548:31422691
cp_cls_t_966_ss:31454198
inlinechat_v2_hd992725:31505030
4je02754:31466945
8hhj4413:31478653
cp_cls_t_1081:31454832
conptydll_true:31498968
ia-use-proxy-models-svc:31452481
core-renderer-profiling-on:31440367
e9c30283:31461165
test_treatment2:31471001
46204921:31447328
control_6dc23131:31497324
idci7584:31464702
e3e4d672:31494082
ei9d7968:31496641
nes-extended-on:31455476
chat:31457767
8hig5102:31480529
89g7j272:31507493
7e187181:31503455
i2gc6536:31499202
ghj88844:31499326
ec1eg703:31491645
ddid_c:31478207
hmra_i5g22:31505557
getcmakediagnosticson:31489824
a2954740:31507016
cp_cls_c_1082:31504161
logging_enabled_new:31498466
db5d2638:31499441
56dj4588:31497896
32d76977:31505232
ha629193:31508444
539gd155_c:31506875

```

</details>

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extension bug #9274

Issue Description

Steps to Reproduce

Expected Behavior

Actual Behavior

Logs

C# log

C# LSP Trace Logs log

Environment Information

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Type

Fields

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Development

Extension	Author	Version	Folder Name
chatgpt	openai	26.429.30905	openai.chatgpt-26.429.30905-win32-x64
claude-code	Anthropic	2.1.128	anthropic.claude-code-2.1.128-win32-x64
claude-code-cli-usage	zollicoff	0.1.4	zollicoff.claude-code-cli-usage-0.1.4
csdevkit	ms-dotnettools	3.10.14	ms-dotnettools.csdevkit-3.10.14-win32-x64
csharp	ms-dotnettools	2.130.5	ms-dotnettools.csharp-2.130.5-win32-x64
data-workspace-vscode	ms-mssql	0.6.3	ms-mssql.data-workspace-vscode-0.6.3
debugpy	ms-python	2026.6.0	ms-python.debugpy-2026.6.0-win32-x64
markdown-mermaid	bierner	1.32.0	bierner.markdown-mermaid-1.32.0
markdown-pdf	yzane	2.0.1	yzane.markdown-pdf-2.0.1
mssql	ms-mssql	1.42.2	ms-mssql.mssql-1.42.2
powershell	ms-vscode	2025.4.0	ms-vscode.powershell-2025.4.0
python	ms-python	2026.4.0	ms-python.python-2026.4.0-win32-x64
rainbow-csv	mechatroner	3.24.1	mechatroner.rainbow-csv-3.24.1
sql-bindings-vscode	ms-mssql	0.4.1	ms-mssql.sql-bindings-vscode-0.4.1
sql-database-projects-vscode	ms-mssql	1.5.9	ms-mssql.sql-database-projects-vscode-1.5.9
sqlite-viewer	qwtel	25.12.2	qwtel.sqlite-viewer-25.12.2-win32-x64
three-js-snippets	aerokaido	0.6.3	aerokaido.three-js-snippets-0.6.3
vscode-dotnet-runtime	ms-dotnettools	3.0.0	ms-dotnettools.vscode-dotnet-runtime-3.0.0
vscode-github-actions	github	0.31.5	github.vscode-github-actions-0.31.5
vscode-openapi	42Crunch	5.5.0	42crunch.vscode-openapi-5.5.0
vscode-pylance	ms-python	2026.2.1	ms-python.vscode-pylance-2026.2.1
vscode-python-envs	ms-python	1.28.0	ms-python.vscode-python-envs-1.28.0-win32-x64
vscode-yaml	redhat	1.22.0	redhat.vscode-yaml-1.22.0

Setting	Value
preferCSharpExtension	false
compilerDiagnosticScope	openFiles
analyzerDiagnosticScope	openFiles
enableXamlTools	true
useServerGC	true

Item	Value
CPUs	11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz (8 x 2995)
GPU Status	2d_canvas: enabled GPU0: VENDOR= 0x8086, DEVICE=0x9a49 [Intel(R) Iris(R) Xe Graphics], DRIVER_VENDOR=Intel, DRIVER_VERSION=32.0.101.7084 ACTIVE GPU1: VENDOR= 0x1414, DEVICE=0x008c [Microsoft Basic Render Driver], DRIVER_VERSION=10.0.26100.8246 Machine model name: Machine model version: direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: disabled_off trees_in_viz: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off
Load (avg)	undefined
Memory (System)	31.73GB (8.64GB free)
Process Argv	. --crash-reporter-id ec030e2f-7d63-4a76-b468-e75695dc0bd7
Screen Reader	no
VM	0%

extension bug #9274

Description

Issue Description

Steps to Reproduce

Expected Behavior

Actual Behavior

Logs

C# log

C# LSP Trace Logs log

Environment Information

Metadata

Metadata

Assignees

Labels

Type

Fields

Projects

Milestone

Relationships

Development

Issue actions