Closed
Description
Issue Description
"Remove unnecessary usings" code action does not work.
Steps to Reproduce
- Add unnecessary using statements to a c# file
- Trigger "Remove unnecessary using" code action
Expected Behavior
unnecessary using statements are removed
Actual Behavior
error message box appears
Logs
C# log
2025-05-02 13:25:01.284 [info] [Error - 1:25:01 PM] [codeAction/resolve] [LanguageServerHost] System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationArrayTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationConstructedNamedTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_PartialDefinitionPart' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationEventSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationNamedTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsParamsArray' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationParameterSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationPointerTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_PartialDefinitionPart' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationPropertySymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationTypeParameterSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
at System.Reflection.RuntimeModule.GetDefinedTypes()
at System.Composition.Hosting.ContainerConfiguration.<>c.<WithAssemblies>b__16_0(Assembly a)
at System.Linq.Enumerable.SelectManySingleSelectorIterator`2.MoveNext()
at System.Composition.TypedParts.TypedPartExportDescriptorProvider..ctor(IEnumerable`1 types, AttributedModelProvider attributeContext)
at System.Composition.Hosting.ContainerConfiguration.CreateContainer()
at Microsoft.CodeAnalysis.Host.CodeStyleHostLanguageServices.MefHostExportProvider.Create(String languageName)
at System.Runtime.CompilerServices.ConditionalWeakTable`2.GetValueLocked(TKey key, CreateValueCallback createValueCallback)
at Microsoft.CodeAnalysis.Host.CodeStyleHostLanguageServices..ctor(HostLanguageServices hostLanguageServices)
at Microsoft.CodeAnalysis.Host.CodeStyleHostLanguageServices.Create(HostLanguageServices hostLanguageServices)
at System.Runtime.CompilerServices.ConditionalWeakTable`2.GetValueLocked(TKey key, CreateValueCallback createValueCallback)
at Microsoft.CodeAnalysis.Host.CodeStyleHostLanguageServices.GetRequiredMappedCodeStyleLanguageServices(HostLanguageServices hostLanguageServices)
at Microsoft.CodeAnalysis.RemoveUnnecessaryImports.AbstractRemoveUnnecessaryImportsCodeFixProvider.RemoveUnnecessaryImportsAsync(Document document, CodeActionOptionsProvider fallbackOptions, CancellationToken cancellationToken)
at Microsoft.CodeAnalysis.CodeActions.CodeAction.GetChangedSolutionAsync(IProgress`1 progress, CancellationToken cancellationToken) in /_/src/Workspaces/Core/Portable/CodeActions/CodeAction.cs:line 352
at Microsoft.CodeAnalysis.CodeActions.CodeAction.ComputeOperationsAsync(IProgress`1 progress, CancellationToken cancellationToken) in /_/src/Workspaces/Core/Portable/CodeActions/CodeAction.cs:line 306
at Microsoft.CodeAnalysis.CodeActions.CodeAction.GetOperationsCoreAsync(Solution originalSolution, IProgress`1 progress, CancellationToken cancellationToken) in /_/src/Workspaces/Core/Portable/CodeActions/CodeAction.cs:line 243
at Microsoft.CodeAnalysis.LanguageServer.Handler.CodeActionResolveHandler.HandleRequestAsync(CodeAction codeAction, RequestContext context, CancellationToken cancellationToken) in /_/src/LanguageServer/Protocol/Handler/CodeActions/CodeActionResolveHandler.cs:line 89
at Microsoft.CommonLanguageServerProtocol.Framework.QueueItem`1.StartRequestAsync[TRequest,TResponse](TRequest request, TRequestContext context, IMethodHandler handler, String language, CancellationToken cancellationToken)
System.TypeLoadException: Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationArrayTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
System.TypeLoadException: Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationConstructedNamedTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
System.TypeLoadException: Method 'get_PartialDefinitionPart' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationEventSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
System.TypeLoadException: Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationNamedTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
System.TypeLoadException: Method 'get_IsParamsArray' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationParameterSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
System.TypeLoadException: Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationPointerTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
System.TypeLoadException: Method 'get_PartialDefinitionPart' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationPropertySymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
System.TypeLoadException: Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationTypeParameterSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
2025-05-02 13:25:01.287 [info] [Error - 1:25:01 PM] Request codeAction/resolve failed.
2025-05-02 13:25:01.287 [info] Message: Unable to load one or more of the requested types.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationArrayTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationConstructedNamedTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_PartialDefinitionPart' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationEventSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationNamedTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsParamsArray' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationParameterSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationPointerTypeSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_PartialDefinitionPart' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationPropertySymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Method 'get_IsExtension' in type 'Microsoft.CodeAnalysis.CodeGeneration.CodeGenerationTypeParameterSymbol' from assembly 'Microsoft.CodeAnalysis.CodeStyle.Fixes, Version=4.8.9.5801, Culture=neutral, PublicKeyToken=31bf3856ad364e35' does not have an implementation.
Code: -32000
[object Object]
C# LSP Trace Logs
Post the output from Output-->C# LSP Trace Logs here. Requires the `C#` output window log level to be set to `Trace`
Environment information
VSCode version: 1.99.3
C# Extension: 2.72.34
Using OmniSharp: false
Dotnet Information
.NET SDK: Version: 9.0.203 Commit: dc7acfa194 Workload version: 9.0.200-manifests.12d79ccf MSBuild version: 17.13.20+a4ef1e90fRuntime Environment:
OS Name: Windows
OS Version: 10.0.19045
OS Platform: Windows
RID: win-x64
Base Path: C:\Program Files\dotnet\sdk\9.0.203\
.NET workloads installed:
[aspire]
Installation Source: VS 17.13.35931.197
Manifest Version: 8.2.2/8.0.100
Manifest Path: C:\Program Files\dotnet\sdk-manifests\8.0.100\microsoft.net.sdk.aspire\8.2.2\WorkloadManifest.json
Install Type: Msi
Configured to use loose manifests when installing new manifests.
Host:
Version: 9.0.4
Architecture: x64
Commit: f57e6dc747
.NET SDKs installed:
9.0.203 [C:\Program Files\dotnet\sdk]
.NET runtimes installed:
Microsoft.AspNetCore.App 5.0.14 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 8.0.15 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 9.0.4 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 5.0.14 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 8.0.15 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 9.0.4 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 8.0.15 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 9.0.4 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Other architectures found:
x86 [C:\Program Files (x86)\dotnet]
registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]
Environment variables:
Not set
global.json file:
Not found
Learn more:
https://aka.ms/dotnet/info
Download .NET:
https://aka.ms/dotnet/download
Visual Studio Code Extensions
| Extension | Author | Version | Folder Name |
|---|---|---|---|
| code-spell-checker | streetsidesoftware | 4.0.47 | streetsidesoftware.code-spell-checker-4.0.47 |
| copilot | GitHub | 1.312.0 | github.copilot-1.312.0 |
| copilot-chat | GitHub | 0.26.7 | github.copilot-chat-0.26.7 |
| csdevkit | ms-dotnettools | 1.18.25 | ms-dotnettools.csdevkit-1.18.25-win32-x64 |
| csharp | ms-dotnettools | 2.72.34 | ms-dotnettools.csharp-2.72.34-win32-x64 |
| data-workspace-vscode | ms-mssql | 0.6.1 | ms-mssql.data-workspace-vscode-0.6.1 |
| git-graph | mhutchie | 1.30.0 | mhutchie.git-graph-1.30.0 |
| gitlens | eamodio | 17.0.3 | eamodio.gitlens-17.0.3 |
| jsonl-tool | mekusuri | 0.0.4 | mekusuri.jsonl-tool-0.0.4 |
| markdown-all-in-one | yzhang | 3.6.3 | yzhang.markdown-all-in-one-3.6.3 |
| markdown-mermaid | bierner | 1.28.0 | bierner.markdown-mermaid-1.28.0 |
| markdown-preview-github-styles | bierner | 2.1.0 | bierner.markdown-preview-github-styles-2.1.0 |
| mssql | ms-mssql | 1.31.0 | ms-mssql.mssql-1.31.0 |
| ng-template | Angular | 19.2.4 | angular.ng-template-19.2.4 |
| powershell | ms-vscode | 2025.0.0 | ms-vscode.powershell-2025.0.0 |
| prettier-vscode | esbenp | 11.0.0 | esbenp.prettier-vscode-11.0.0 |
| remote-explorer | ms-vscode | 0.4.3 | ms-vscode.remote-explorer-0.4.3 |
| remote-ssh | ms-vscode-remote | 0.119.0 | ms-vscode-remote.remote-ssh-0.119.0 |
| remote-ssh-edit | ms-vscode-remote | 0.87.0 | ms-vscode-remote.remote-ssh-edit-0.87.0 |
| remote-wsl | ms-vscode-remote | 0.99.0 | ms-vscode-remote.remote-wsl-0.99.0 |
| rest-client | humao | 0.25.1 | humao.rest-client-0.25.1 |
| sql-bindings-vscode | ms-mssql | 0.4.1 | ms-mssql.sql-bindings-vscode-0.4.1 |
| sql-database-projects-vscode | ms-mssql | 1.5.1 | ms-mssql.sql-database-projects-vscode-1.5.1 |
| vscode-dotnet-runtime | ms-dotnettools | 2.3.3 | ms-dotnettools.vscode-dotnet-runtime-2.3.3 |
| vscode-eslint | dbaeumer | 3.0.10 | dbaeumer.vscode-eslint-3.0.10 |
| vscode-solution-explorer | fernandoescolar | 0.9.1 | fernandoescolar.vscode-solution-explorer-0.9.1 |
| vscodeintellicode-csharp | ms-dotnettools | 2.2.3 | ms-dotnettools.vscodeintellicode-csharp-2.2.3-win32-x64 |
| wikitext | RoweWilsonFrederiskHolme | 4.0.1 | rowewilsonfrederiskholme.wikitext-4.0.1 |