vscode-csharp .Net.sdk.web not found

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Environment data

dotnet --info output:

.NET Core SDK (reflecting any global.json):
 Version:   2.2.202
 Commit:    8a7ff6789d

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.10586
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\2.2.202\

Host (useful for support):
  Version: 2.2.3
  Commit:  6b8ad509b6

.NET Core SDKs installed:
  2.2.202 [C:\Program Files\dotnet\sdk]

.NET Core runtimes installed:
  Microsoft.AspNetCore.All 2.2.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.2.3 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.2.3 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:
  https://aka.ms/dotnet-download
PS C:\Dotnet Core\NgWebApi>

VS Code version:1.33.0 C# Extension version:1.18.0

Steps to reproduce

Build or run from VS Code

Expected behavior

no errors

Actual behavior

Starting OmniSharp server at 4/5/2019, 3:37:16 PM
    Target: c:\Dotnet Core\NgWebApi

OmniSharp server started.
    Path: C:\Users\Acer\.vscode\extensions\ms-vscode.csharp-1.18.0\.omnisharp\1.32.11\OmniSharp.exe
    PID: 13684

[info]: OmniSharp.Stdio.Host
        Starting OmniSharp on Windows 6.2.9200.0 (x64)
[info]: OmniSharp.Services.DotNetCliService
        DotNetPath set to dotnet
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 1 MSBuild instance(s)
            1: StandAlone 15.0 - "C:\Users\Acer\.vscode\extensions\ms-vscode.csharp-1.18.0\.omnisharp\1.32.11\msbuild\15.0\Bin"
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        MSBUILD_EXE_PATH environment variable set to 'C:\Users\Acer\.vscode\extensions\ms-vscode.csharp-1.18.0\.omnisharp\1.32.11\msbuild\15.0\Bin\MSBuild.exe'
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Registered MSBuild instance: StandAlone 15.0 - "C:\Users\Acer\.vscode\extensions\ms-vscode.csharp-1.18.0\.omnisharp\1.32.11\msbuild\15.0\Bin"
            CscToolExe = csc.exe
            CscToolPath = C:\Users\Acer\.vscode\extensions\ms-vscode.csharp-1.18.0\.omnisharp\1.32.11\msbuild\15.0\Bin\Roslyn
            MSBuildExtensionsPath = C:\Users\Acer\.vscode\extensions\ms-vscode.csharp-1.18.0\.omnisharp\1.32.11\msbuild
            MSBuildToolsPath = C:\Users\Acer\.vscode\extensions\ms-vscode.csharp-1.18.0\.omnisharp\1.32.11\msbuild\15.0\Bin
[info]: OmniSharp.Cake.CakeProjectSystem
        Detecting Cake files in 'c:\Dotnet Core\NgWebApi'.
[info]: OmniSharp.Cake.CakeProjectSystem
        Could not find any Cake files
[info]: OmniSharp.WorkspaceInitializer
        Project system 'OmniSharp.DotNet.DotNetProjectSystem' is disabled in the configuration.
[info]: OmniSharp.MSBuild.ProjectSystem
        No solution files found in 'c:\Dotnet Core\NgWebApi'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for 'c:\Dotnet Core\NgWebApi\NgWebApi.csproj'
[info]: OmniSharp.Script.ScriptProjectSystem
        Detecting CSX files in 'c:\Dotnet Core\NgWebApi'.
[info]: OmniSharp.Script.ScriptProjectSystem
        Could not find any CSX files
[info]: OmniSharp.WorkspaceInitializer
        Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.CSharpWorkspaceOptionsProvider
[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: c:\Dotnet Core\NgWebApi\NgWebApi.csproj
[info]: OmniSharp.WorkspaceInitializer
        Configuration finished.
[info]: OmniSharp.Stdio.Host
        Omnisharp server running using Stdio at location 'c:\Dotnet Core\NgWebApi' on host 17188.
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file 'c:\Dotnet Core\NgWebApi\NgWebApi.csproj'.
c:\Dotnet Core\NgWebApi\NgWebApi.csproj(1,1)
Microsoft.Build.Exceptions.InvalidProjectFileException: The SDK 'Microsoft.NET.Sdk.Web' specified could not be found.  c:\Dotnet Core\NgWebApi\NgWebApi.csproj
   at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject(String errorSubCategoryResourceName, IElementLocation elementLocation, String resourceName, Object[] args)
   at Microsoft.Build.Evaluation.Evaluator`4.ExpandAndLoadImportsFromUnescapedImportExpressionConditioned(String directoryOfImportingFile, ProjectImportElement importElement, List`1& projects, Boolean throwOnFileNotExistsError)
   at Microsoft.Build.Evaluation.Evaluator`4.ExpandAndLoadImports(String directoryOfImportingFile, ProjectImportElement importElement)
   at Microsoft.Build.Evaluation.Evaluator`4.EvaluateImportElement(String directoryOfImportingFile, ProjectImportElement importElement)
   at Microsoft.Build.Evaluation.Evaluator`4.PerformDepthFirstPass(ProjectRootElement currentProjectOrImport)
   at Microsoft.Build.Evaluation.Evaluator`4.Evaluate(ILoggingService loggingService, BuildEventContext buildEventContext)
   at Microsoft.Build.Evaluation.Project.Reevaluate(ILoggingService loggingServiceForEvaluation, ProjectLoadSettings loadSettings)
   at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary(ILoggingService loggingServiceForEvaluation, ProjectLoadSettings loadSettings)
   at Microsoft.Build.Evaluation.Project.Initialize(IDictionary`2 globalProperties, String toolsVersion, String subToolsetVersion, ProjectLoadSettings loadSettings)
   at Microsoft.Build.Evaluation.Project..ctor(String projectFile, IDictionary`2 globalProperties, String toolsVersion, String subToolsetVersion, ProjectCollection projectCollection, ProjectLoadSettings loadSettings)
   at Microsoft.Build.Evaluation.ProjectCollection.LoadProject(String fileName, IDictionary`2 globalProperties, String toolsVersion)
   at OmniSharp.MSBuild.ProjectLoader.EvaluateProjectFileCore(String filePath)
   at OmniSharp.MSBuild.ProjectLoader.BuildProject(String filePath)
   at OmniSharp.MSBuild.ProjectFile.ProjectFileInfo.Load(String filePath, ProjectLoader loader)
   at OmniSharp.MSBuild.ProjectManager.LoadOrReloadProject(String projectFilePath, Func`1 loader)

[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: c:\Dotnet Core\NgWebApi\NgWebApi.csproj

Apr 05 '19 10:04 cordsac

I am also seeing this issue.

Apr 05 '19 13:04 Kramins

I am also seeing this issue.

Did you find any solution? if yes please post on here. VS code not showing intellisense /suggestion. I think this was the reason for it? do you have that problem too?

Apr 05 '19 14:04 cordsac

I'm also getting this. It seems to be related to .NET Core being updated to 2.2.202.

.NET Core SDK (reflecting any global.json):
 Version:   2.2.202
 Commit:    8a7ff6789d

Runtime Environment:
 OS Name:     ubuntu
 OS Version:  18.10
 OS Platform: Linux
 RID:         ubuntu.18.10-x64
 Base Path:   /usr/share/dotnet/sdk/2.2.202/

Host (useful for support):
  Version: 2.2.3
  Commit:  6b8ad509b6

.NET Core SDKs installed:
  2.2.202 [/usr/share/dotnet/sdk]

.NET Core runtimes installed:
  Microsoft.AspNetCore.All 2.2.3 [/usr/share/dotnet/shared/Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.2.3 [/usr/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.2.3 [/usr/share/dotnet/shared/Microsoft.NETCore.App]

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

Apr 05 '19 19:04 drguildo

This looks like it might be a duplicate of #2965.

Apr 05 '19 19:04 drguildo

I'm also getting this. It seems to be related to .NET Core being updated to 2.2.202.

ya, I got the point, the reason was the latest update (2.2.202.) So I downgrade .Net core to 2.1.202 and now problem solved

Apr 06 '19 06:04 cordsac

I'm also getting this. It seems to be related to .NET Core being updated to 2.2.202.

ya, I got the point, the reason was the latest update (2.2.202.) So I downgrade .Net core to 2.1.202 and now problem solved

I also got this problem, I try to downgrade the .Net core to 2.1.602 and have uninstalled the visual studio code many times,but the omniSharp cache always in there ,so everytime I reinstall the visual studio code,the omniSharp not reinstall,So the problem still in there

.NET Core SDK（reflecting any global.json）:
 Version:   2.1.602
 Commit:    04475eb7cf

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.17134
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\2.1.602\

Host (useful for support):
  Version: 2.1.9
  Commit:  dcedc87d22

.NET Core SDKs installed:
  2.1.602 [C:\Program Files\dotnet\sdk]

.NET Core runtimes installed:
  Microsoft.AspNetCore.All 2.1.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.1.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.1.9 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

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

Apr 08 '19 03:04 EchoRaya

I'm also getting this. It seems to be related to .NET Core being updated to 2.2.202.

ya, I got the point, the reason was the latest update (2.2.202.) So I downgrade .Net core to 2.1.202 and now problem solved

I also got this problem, I try to downgrade the .Net core to 2.1.602 and have uninstalled the visual studio code many times,but the omniSharp cache always in there ,so everytime I reinstall the visual studio code,the omniSharp not reinstall,So the problem still in there
.NET Core SDK（reflecting any global.json）:
 Version:   2.1.602
 Commit:    04475eb7cf

Runtime Environment:
 OS Name:     Windows
 OS Version:  10.0.17134
 OS Platform: Windows
 RID:         win10-x64
 Base Path:   C:\Program Files\dotnet\sdk\2.1.602\

Host (useful for support):
  Version: 2.1.9
  Commit:  dcedc87d22

.NET Core SDKs installed:
  2.1.602 [C:\Program Files\dotnet\sdk]

.NET Core runtimes installed:
  Microsoft.AspNetCore.All 2.1.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
  Microsoft.AspNetCore.App 2.1.9 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 2.1.9 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]

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

well,I figured out where the omnisharp cache is,So I reinstalled the fk little software,finally I found the reason is the slow speed of downloading the omnisharp ,haha,anyway thank u everyone LJ)SKH2FR98W04}H07GC7

Apr 08 '19 05:04 EchoRaya

As a quick workaround, you can also set the MSBuildSDKsPath environment variable and point to Sdks location.

On Linux (Ubuntu 18.04 in my case) I added following to my .bashrc

export MSBuildSDKsPath ="/usr/share/dotnet/sdk/2.2.202/Sdks"

On Windows Edit System Environment Variables and add a system variable MSBuildSDKsPath and set to C:\Program Files\dotnet\sdk\2.2.202\Sdks

Apr 09 '19 01:04 gloveboxes

As a quick workaround, you can also set the MSBuildSDKsPath environment variable and point to Sdks location.

On Linux (Ubuntu 18.04 in my case) I added following to my .bashrc

export MSBuildSDKsPath ="/usr/share/dotnet/sdk/2.2.202/Sdks"

On Windows Edit System Environment Variables and add a system variable MSBuildSDKsPath and set to C:\Program Files\dotnet\sdk\2.2.202\Sdks

yeah,thank u ,my system is windows10 , I choosed the default install location,I checked the selection in process of install which reminded me to inject the path,my problem have been solved,thank u again :)

Apr 09 '19 01:04 EchoRaya

I'm also having this problem on Ubuntu 18.04 LTS. It just recently started.

Apr 11 '19 13:04 ashelleyPurdue

I also have this problem on Ubuntu 18.04 LTS, and this worked for me:

$ export MSBuildSDKsPath="/usr/share/dotnet/sdk/2.1.603/Sdks/"
$ code .

Apr 11 '19 15:04 NullVoxPopuli

Hi all, we recently changed the version of mono that ships with omnisharp to hopefully improve this. Can you give it a try by setting "omnisharp.path": "1.32.16" in your VS Code options?

Apr 11 '19 16:04 rchande

@rchande I see the same problem also with "omnisharp.path": "1.32.16".
I tried also with "omnisharp.path": "latest". Nothing different.

Jun 12 '19 10:06 PaoloLaurenti

I have the same problem

omnisharp.json { "MsBuild": { "UseLegacySdkResolver": true } }

Jun 14 '19 15:06 korolevsa

This issue resurfaced for me.. The above mentioned fixes didn't fix it this time around for some reason. I'm using the Snap on Solus.. I had already set an alias with alias dotnet="dotnet-sdk.dotnet", but I guess that wasn't good enough.

Instead, I used sudo snap alias dotnet-sdk.dotnet dotnet and that resolved the issue for me.

Aug 20 '19 02:08 ghost

:heavy_check_mark: Using the following command solved the problem for me on arch-linux:

MSBuildSDKsPath=/opt/dotnet/sdk/$(dotnet --version)/Sdks code my-dotnetcore-project

if I execute the code my-dotnetcore-project without setting MSBuildSDKsPath I am able to reproduce the issue.

exporting environment variable shall also work.

Output of dotnet --info :

.NET Core SDK (reflecting any global.json):
 Version:   2.2.108
 Commit:    33ed5b90ce

Runtime Environment:
 OS Name:     arch
 OS Version:  
 OS Platform: Linux
 RID:         arch-x64
 Base Path:   /opt/dotnet/sdk/2.2.108/

Host (useful for support):
  Version: 2.2.6
  Commit:  7dac9b1b51

.NET Core SDKs installed:
  2.2.108 [/opt/dotnet/sdk]

.NET Core runtimes installed:
  Microsoft.NETCore.App 2.2.6 [/opt/dotnet/shared/Microsoft.NETCore.App]

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

please let me know if you need some more information for the bugfix. :+1:

Aug 23 '19 12:08 balazs4

heavy_check_mark Using the following command solved the problem for me on arch-linux:

MSBuildSDKsPath=/opt/dotnet/sdk/$(dotnet --version)/Sdks code my-dotnetcore-project

if I execute the code my-dotnetcore-project without setting MSBuildSDKsPath I am able to reproduce the issue.

exporting environment variable shall also work.

Output of dotnet --info :
.NET Core SDK (reflecting any global.json):
 Version:   2.2.108
 Commit:    33ed5b90ce

Runtime Environment:
 OS Name:     arch
 OS Version:  
 OS Platform: Linux
 RID:         arch-x64
 Base Path:   /opt/dotnet/sdk/2.2.108/

Host (useful for support):
  Version: 2.2.6
  Commit:  7dac9b1b51

.NET Core SDKs installed:
  2.2.108 [/opt/dotnet/sdk]

.NET Core runtimes installed:
  Microsoft.NETCore.App 2.2.6 [/opt/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:
  https://aka.ms/dotnet-download
please let me know if you need some more information for the bugfix. +1

Excellent!!! Since my dotnet version is preview, I used this in "~/.profile": export DOTNET_ROOT=$HOME/dotnet export PATH=$PATH:$HOME/dotnet export MSBuildSDKsPath=$HOME/dotnet/sdk/$(dotnet --version)/Sdks

Now I can use "code" command as before.

Aug 31 '19 13:08 dmarquezbh

I have used this fix until now but with the last version of omnisharp this workaround doesn't work any more.

I got this issue:

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /home/gpad/workspace/gpad/azure_service_bus/lb/lb.csproj
  It was not possible to find any installed .NET Core SDKs
  Did you mean to run .NET Core SDK commands? Install a .NET Core SDK from:
      https://aka.ms/dotnet-download

Omnisharp 1.21.4

Oct 04 '19 13:10 gpad

I have used this fix until now but with the last version of omnisharp this workaround doesn't work any more.

I got this issue:
[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /home/gpad/workspace/gpad/azure_service_bus/lb/lb.csproj
  It was not possible to find any installed .NET Core SDKs
  Did you mean to run .NET Core SDK commands? Install a .NET Core SDK from:
      https://aka.ms/dotnet-download
Omnisharp 1.21.4

Same issue here, started last week.

vscode displays this error but all editor functions continue to work.

Oct 11 '19 13:10 winiciuscota

I use this workaraound (thanks to @gpad tips) setting MSBuildSDKsPath, DOTNET_ROOT and PATH environment variables before opening VSCode.
I use asdf to manage dotnet installation, I run this script (I put inside a function in my .zshrc) before running VSCode:

function set-dotnet-vars {
  DOTNET_BASE=$(dotnet --info | grep "Base Path" | awk '{print $3}')
  echo "DOTNET_BASE: ${DOTNET_BASE}"
  
  DOTNET_ROOT=$(echo $DOTNET_BASE | sed -E "s/^(.*)(\/sdk\/[^\/]+\/)$/\1/")
  echo "DOTNET_ROOT: ${DOTNET_ROOT}"
  
  export MSBuildSDKsPath=${DOTNET_BASE}Sdks/ 
  export DOTNET_ROOT=$DOTNET_ROOT
  export PATH=$DOTNET_ROOT:$PATH
}

Oct 14 '19 06:10 PaoloLaurenti

Having same issues. Setting SDK path helps but still having issues. OmniSharp will now load correctly but I still cannot launch a debug session. Any ideas is much appreciated!

Dec 03 '19 21:12 itlackey

Thanks a lot @PaoloLaurenti. Worked perfectly. The only change I made was to place the contents of this function inside the code binary (located in /usr/bin/code), so I wouldn't have to remember to run the function every time before opening a .Net Core project in VSCode.

Jun 13 '20 15:06 victorrub

@PaoloLaurenti, thank you for the great tip. I've been wondering about this for ages. asdf offers a convenient way to compute DOTNET_ROOT, so here is a simplified version of the script that I put in my .bashrc:

export DOTNET_ROOT="$(asdf where dotnet-core)"
DOTNET_VERSION="$(basename $DOTNET_ROOT)"
export MsBuildSDKsPath="$DOTNET_ROOT/sdk/$DOTNET_VERSION/Sdks"
export PATH="$DOTNET_ROOT:$PATH" # I suspect this is not necessary.

I see from the OmniSharp log in VSCode that OmniSharp finds the correct .NET Core SDK:

[info]: OmniSharp.Services.DotNetCliService
        Checking the 'DOTNET_ROOT' environment variable to find a .NET SDK
[info]: OmniSharp.Services.DotNetCliService
        DotNetPath set to "$(asdf where dotnet-core)/dotnet"

However, at face value it doesn't appear that the MSBuildSDKsPath environment variable gets used:

[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 1 MSBuild instance(s)
            1: StandAlone 17.1.0 - "~/.vscode/extensions/ms-dotnettools.csharp-1.24.1/.omnisharp/1.38.1/omnisharp/.msbuild/Current/Bin"
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        MSBUILD_EXE_PATH environment variable set to '~/.vscode/extensions/ms-dotnettools.csharp-1.24.1/.omnisharp/1.38.1/omnisharp/.msbuild/Current/Bin/MSBuild.exe'

I feel like I'm overlooking something obvious here if anyone has any suggestions.

Mar 20 '22 07:03 Kurt-von-Laven

is it still not resolved?

having same issue - vs code running on WSL, unable to find dotnet managed by asdf

Feb 28 '24 08:02 IllyaYushchenko

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.Net.sdk.web not found

Environment data

Steps to reproduce

Expected behavior

Actual behavior

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