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Official C# support for Visual Studio Code
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Red Squiggle Underline on Every Class Creation #6483

Closed Rich-Hopkins closed 2 weeks ago

Rich-Hopkins commented 1 year ago

Issue Description

After creating a class using the right-click folder => New C# => Class, the class name is underlined in red squiggles with the following error: The namespace 'Application.Core' already contains a definition for 'MappingProfiles' [Application, Application]csharp(CS0101) class Application.Core.MappingProfiles

Steps to Reproduce

In the file explorer of VS Code, right click a folder, hover over New C#, click on Class. See the class name in the generated file underlined with a red squiggle. If you close Code and reopen, this underline is gone.

Expected Behavior

No underlined red squggle

Actual Behavior

Underlined class name with red squiggle

Logs

OmniSharp log

Post the output from Output-->OmniSharp log here

Starting OmniSharp server at 10/3/2023, 11:12:24 PM Target: c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Reactivities.sln

OmniSharp server started with .NET 7.0.400 . Path: c:\Users\hopme.vscode\extensions\ms-dotnettools.csharp-1.26.0-win32-x64.omnisharp\1.39.7-net6.0\OmniSharp.dll PID: 2268

    Starting OmniSharp on Windows 10.0.22621.0 (x64)
    Checking the 'DOTNET_ROOT' environment variable to find a .NET SDK
    Using the 'dotnet' on the PATH.
    DotNetPath set to dotnet
    Located 3 MSBuild instance(s)
        1: .NET Core SDK 7.0.400 17.7.1 - "C:\Program Files\dotnet\sdk\7.0.400\"
        2: .NET Core SDK 6.0.317 17.2.2 - "C:\Program Files\dotnet\sdk\6.0.317\"
        3: .NET Core SDK 6.0.122 17.0.1 - "C:\Program Files\dotnet\sdk\6.0.122\"
    Registered MSBuild instance: .NET Core SDK 7.0.400 17.7.1 - "C:\Program Files\dotnet\sdk\7.0.400\"
    Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.CSharpFormattingWorkspaceOptionsProvider, Order: 0
    Detecting Cake files in 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities'.
    Did not find any Cake files
    Detecting projects in 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Reactivities.sln'.
    Queue project update for 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\API\API.csproj'
    Queue project update for 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Application\Application.csproj'
    Queue project update for 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Domain\Domain.csproj'
    Queue project update for 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Persistence\Persistence.csproj'
    Detecting CSX files in 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities'.
    Did not find any CSX files
    Configuration finished.
    Omnisharp server running using Stdio at location 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities' on host 20920.
    Loading project: c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\API\API.csproj
    Successfully loaded project file 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\API\API.csproj'.
    Adding project 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\API\API.csproj'
    Loading project: c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Application\Application.csproj
    Successfully loaded project file 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Application\Application.csproj'.
    Adding project 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Application\Application.csproj'
    Loading project: c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Domain\Domain.csproj
    Successfully loaded project file 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Domain\Domain.csproj'.
    Adding project 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Domain\Domain.csproj'
    Loading project: c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Persistence\Persistence.csproj
    Successfully loaded project file 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Persistence\Persistence.csproj'.
    Adding project 'c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Persistence\Persistence.csproj'
    Update project: API
    Update project: Application
    Update project: Domain
    Update project: Persistence

Received response for /quickinfo but could not find request.

    ************ Request ************

{ "Type": "request", "Seq": 179, "Command": "/filesChanged", "Arguments": [ { "FileName": "c:\Users\hopme\OneDrive\Documents\Code\Courses\Udemy\React-NetCore\Reactivities\Application\Activities\TestClass.cs", "changeType": "Create" } ] }

    ************  Response (12.9684ms) ************

{ "Request_seq": 179, "Command": "/filesChanged", "Running": true, "Success": false, "Message": "\"System.IO.IOException: The process cannot access the file 'c:\\Users\\hopme\\OneDrive\\Documents\\Code\\Courses\\Udemy\\React-NetCore\\Reactivities\\Application\\Activities\\TestClass.cs' because it is being used by another process.\r\n at Microsoft.Win32.SafeHandles.SafeFileHandle.CreateFile(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options)\r\n at Microsoft.Win32.SafeHandles.SafeFileHandle.Open(String fullPath, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable1 unixCreateMode)\\r\\n at System.IO.Strategies.OSFileStreamStrategy..ctor(String path, FileMode mode, FileAccess access, FileShare share, FileOptions options, Int64 preallocationSize, Nullable1 unixCreateMode)\r\n at System.IO.StreamReader.ValidateArgsAndOpenPath(String path, Encoding encoding, Int32 bufferSize)\r\n at System.IO.File.ReadAllText(String path, Encoding encoding)\r\n at OmniSharp.Roslyn.BufferManager.UpdateBufferAsync(Request request, Boolean isCreate) in D:\\a\\1\\s\\src\\OmniSharp.Roslyn\\BufferManager.cs:line 49\"", "Body": null, "Seq": 6895, "Type": "response" } Received response for /v2/getcodeactions but could not find request.

C# log

Post the output from Output-->C# here

There was no C# output

Environment information

VSCode version: 1.82.3 C# Extension: 1.26.0

Dotnet Information .NET SDK: Version: 7.0.400 Commit: 73bf45718d Runtime Environment: OS Name: Windows OS Version: 10.0.22621 OS Platform: Windows RID: win10-x64 Base Path: C:\Program Files\dotnet\sdk\7.0.400\ Host: Version: 7.0.10 Architecture: x64 Commit: a6dbb800a4 .NET SDKs installed: 3.1.426 [C:\Program Files\dotnet\sdk] 5.0.100 [C:\Program Files\dotnet\sdk] 5.0.104 [C:\Program Files\dotnet\sdk] 5.0.214 [C:\Program Files\dotnet\sdk] 5.0.303 [C:\Program Files\dotnet\sdk] 5.0.408 [C:\Program Files\dotnet\sdk] 5.0.416 [C:\Program Files\dotnet\sdk] 6.0.122 [C:\Program Files\dotnet\sdk] 6.0.317 [C:\Program Files\dotnet\sdk] 7.0.400 [C:\Program Files\dotnet\sdk] .NET runtimes installed: Microsoft.AspNetCore.App 3.1.21 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 3.1.30 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 3.1.32 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.0 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.4 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.10 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.12 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 6.0.10 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 6.0.21 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 6.0.22 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.AspNetCore.App 7.0.10 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App] Microsoft.NETCore.App 3.1.21 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 3.1.30 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 3.1.32 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.0 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.4 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.6 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.12 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.4 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.10 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.15 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.21 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 6.0.22 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.NETCore.App 7.0.10 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App] Microsoft.WindowsDesktop.App 3.1.21 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 3.1.30 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 3.1.32 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 5.0.0 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 5.0.4 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 5.0.9 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 5.0.12 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 6.0.4 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 6.0.10 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 6.0.15 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 6.0.21 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 6.0.22 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Microsoft.WindowsDesktop.App 7.0.10 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App] Other architectures found: arm64 [C:\Program Files\dotnet] registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\arm64\InstallLocation] 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| |---|---|---| |Angular2|johnpapa|16.0.1| |arduino-snippets|ronaldosena|1.0.2| |ASPNETCore-VSCode-Extensions|SyncfusionInc|23.1.36| |azure-account|ms-vscode|0.11.5| |azure-deploy|ms-vscode-deploy-azure|1.2.4| |better-cpp-syntax|jeff-hykin|1.17.2| |Blazor-VSCode-Extensions|SyncfusionInc|23.1.36| |cmake|twxs|0.0.17| |cmake-tools|ms-vscode|1.15.31| |cpptools|ms-vscode|1.17.5| |cpptools-extension-pack|ms-vscode|1.3.0| |cpptools-themes|ms-vscode|2.0.0| |csharp|ms-dotnettools|1.26.0| |csharpextensions|kreativ-software|1.7.3| |debugger-for-edge|msjsdiag|1.0.15| |dotnet|formulahendry|0.0.4| |doxdocgen|cschlosser|1.4.0| |es6-css-minify|olback|3.3.3| |file-tree-generator|Shinotatwu-DS|1.1.1| |gitlens|eamodio|14.3.0| |json-tools|eriklynd|1.0.2| |jsoncrack-vscode|AykutSarac|2.0.2| |markdown-all-in-one|yzhang|3.5.1| |material-icon-theme|PKief|4.30.1| |ng-template|Angular|16.1.8| |nugetpackagemanagergui|aliasadidev|2.0.6| |path-intellisense|christian-kohler|2.8.4| |poor-mans-t-sql-formatter-vscode|TaoKlerks|1.6.10| |postman-for-vscode|Postman|0.10.0| |powershell|ms-vscode|2023.6.0| |rainbow-csv|mechatroner|3.7.1| |remote-containers|ms-vscode-remote|0.309.0| |remote-ssh|ms-vscode-remote|0.106.4| |remote-ssh-edit|ms-vscode-remote|0.86.0| |remote-wsl|ms-vscode-remote|0.81.7| |tabulous|bwildeman|1.2.0| |vs-code-xml-format|fabianlauer|0.1.5| |vscode-arduino|vsciot-vscode|0.6.0| |vscode-css-formatter|aeschli|1.0.2| |vscode-dotnet-runtime|ms-dotnettools|1.8.0| |vscode-edge-devtools|ms-edgedevtools|2.1.3| |vscode-eslint|dbaeumer|2.4.2| |vscode-gitignore-generator|piotrpalarz|1.0.3| |vscode-markdownlint|DavidAnson|0.52.0| |vscode-nuget-gallery|patcx|0.0.24| |vscode-peacock|johnpapa|4.2.2| |vscode-print|pdconsec|0.11.17| |vscode-serial-monitor|ms-vscode|0.10.0| |vscode-sql-formatter|adpyke|1.4.4| |vscode-sqlite|alexcvzz|0.14.1| |vscode-streamdeck|nicollasr|4.1.6| |vscode-userscript|adpyke|1.3.2| |vsliveshare|ms-vsliveshare|1.0.5883| |vsliveshare-pack|ms-vsliveshare|0.4.0| |Web-VSCode-Extensions|SyncfusionInc|23.1.36| |windows-terminal|Tyriar|0.7.0| |xml|DotJoshJohnson|2.5.1|;
JoeRobich commented 2 weeks ago

A lot has changed with O# since this issue was opened. If you are still having problems, please open a new issue at https://github.com/omnisharp/omnisharp-roslyn/issues