vscode c# / omnisharp not starting after updating to 1.13.0 #1846

TomPallister · 2017-11-08T07:52:56Z

Hi, sorry to be a pain I've been trying to work this out but don't know enough about the software! I expect this is something that I'm doing wrong.

Environment data

dotnet --info output:

.NET Command Line Tools (2.0.2)

Product Information:
 Version:            2.0.2
 Commit SHA-1 hash:  a04b4bf512

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  10.12
 OS Platform: Darwin
 RID:         osx.10.12-x64
 Base Path:   /usr/local/share/dotnet/sdk/2.0.2/

Microsoft .NET Core Shared Framework Host

  Version  : 2.0.0
  Build    : e8b8861ac7faf042c87a5c2f9f2d04c98b69f28d

VS Code version: 1.17.2 (1.17.2)
C# Extension version: 1.13.0

Steps to reproduce

Upgrade vscode c# extension to 1.13.0
Open asp.net core 2.0 solution (I have tried two solutions). They have multiple csproj and I get the same stack trace below for each csproj in the solution. I'm opening them by just loading vscode in the solution root directory.

global.json:

{
  "projects": [ "src", "test" ],
  "sdk": {
    "version": "2.0.0"
  }
}

and I also tried..

global.json:

{
  "projects": [ "src", "test" ],
  "sdk": {
    "version": "2.0.2"
  }
}

Expected behavior

I don't know what the Output is normally but I guess vscode c# extension starts up as usual and omnisharp kicks in.

Actual behavior

Stack trace from vscode Output below:

Starting OmniSharp server at 2017-11-8 07:36:17
    Target: /Users/TGP/Documents/git/Ocelot/Ocelot.sln

OmniSharp server started wth Mono
    Path: /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/run
    PID: 48934

[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 1 MSBuild instance(s)
            1: StandAlone 15.0 - "/Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin"
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        MSBUILD_EXE_PATH environment variable set to '/Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin/MSBuild.dll'
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Registered MSBuild instance: StandAlone 15.0 - "/Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin"
            MSBuildExtensionsPath = /Library/Frameworks/Mono.framework/Versions/4.8.0/lib/mono/xbuild
            CscToolPath = /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin/Roslyn
            CscToolExe = csc.exe
            MSBuildToolsPath = /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin
            TargetFrameworkRootPath = /Library/Frameworks/Mono.framework/Versions/4.8.0/lib/mono/xbuild-frameworks
[info]: OmniSharp.Cake.CakeProjectSystem
        Detecting Cake files in '/Users/TGP/Documents/git/Ocelot'.
[info]: OmniSharp.Cake.CakeProjectSystem
        Found 1 Cake files.
[warn]: OmniSharp.Cake.CakeProjectSystem
        Cake script service not connected. Aborting.
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Initializing in /Users/TGP/Documents/git/Ocelot
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Auto package restore: False
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Update workspace context
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Resolving projects references
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Detecting projects in '/Users/TGP/Documents/git/Ocelot/Ocelot.sln'.
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj
The specified SDK version [2.0.0] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[warn]: OmniSharp.MSBuild.MSBuildProjectSystem
        Failed to load project file '/Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj'.
/Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj(1,1)
Microsoft.Build.Exceptions.InvalidProjectFileException: The SDK 'Microsoft.NET.Sdk' specified could not be found.  /Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj
  at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject (System.String errorSubCategoryResourceName, Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, System.Object[] args) [0x00042] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Shared.ProjectErrorUtilities.VerifyThrowInvalidProject[T1] (System.Boolean condition, System.String errorSubCategoryResourceName, Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, T1 arg0) [0x00003] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject[T1] (Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, T1 arg0) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].ExpandAndLoadImportsFromUnescapedImportExpressionConditioned (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement, System.Collections.Generic.List`1[Microsoft.Build.Construction.ProjectRootElement]& projects, System.Boolean throwOnFileNotExistsError) [0x00198] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].ExpandAndLoadImports (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x00024] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].EvaluateImportElement (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].PerformDepthFirstPass (Microsoft.Build.Construction.ProjectRootElement currentProjectOrImport) [0x000c8] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].Evaluate (Microsoft.Build.BackEnd.Logging.ILoggingService loggingService, Microsoft.Build.Framework.BuildEventContext buildEventContext) [0x000df] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].Evaluate (Microsoft.Build.Evaluation.IEvaluatorData`4[P,I,M,D] data, Microsoft.Build.Construction.ProjectRootElement root, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings, System.Int32 maxNodeCount, Microsoft.Build.Collections.PropertyDictionary`1[T] environmentProperties, Microsoft.Build.BackEnd.Logging.ILoggingService loggingService, Microsoft.Build.Evaluation.IItemFactory`2[S,T] itemFactory, Microsoft.Build.Evaluation.IToolsetProvider toolsetProvider, Microsoft.Build.Evaluation.ProjectRootElementCache projectRootElementCache, Microsoft.Build.Framework.BuildEventContext buildEventContext, Microsoft.Build.Execution.ProjectInstance projectInstanceIfAnyForDebuggerOnly, Microsoft.Build.BackEnd.SdkResolution sdkResolution) [0x00016] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.Reevaluate (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x0004c] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00034] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary () [0x00007] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.Initialize (System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, System.String subToolsetVersion, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x000e9] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, System.String subToolsetVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x0009c] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.ProjectCollection.LoadProject (System.String fileName, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion) [0x000f5] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.ProjectCollection.LoadProject (System.String fileName, System.String toolsVersion) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at OmniSharp.MSBuild.ProjectFile.ProjectFileInfo.LoadProject (System.String filePath, System.String solutionDirectory, Microsoft.Extensions.Logging.ILogger logger, OmniSharp.MSBuild.Discovery.MSBuildInstance msbuildInstance, OmniSharp.Options.MSBuildOptions options, System.Collections.Generic.ICollection`1[T] diagnostics, System.Collections.Immutable.ImmutableArray`1[System.String]& targetFrameworks) [0x0004b] in <4334175a8f8f4b01b5db9f56f106c232>:0 
  at OmniSharp.MSBuild.ProjectFile.ProjectFileInfo.Create (System.String filePath, System.String solutionDirectory, Microsoft.Extensions.Logging.ILogger logger, OmniSharp.MSBuild.Discovery.MSBuildInstance msbuildInstance, OmniSharp.Options.MSBuildOptions options, System.Collections.Generic.ICollection`1[T] diagnostics) [0x0000a] in <4334175a8f8f4b01b5db9f56f106c232>:0 
  at OmniSharp.MSBuild.MSBuildProjectSystem.LoadProject (System.String projectFilePath) [0x00038] in <4334175a8f8f4b01b5db9f56f106c232>:0

The text was updated successfully, but these errors were encountered:

DustinCampbell · 2017-11-08T08:56:04Z

The error that you're getting still indicates that the global.json says 2.0.0:

The specified SDK version [2.0.0] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK

Could you change that global.json to specify 2.0.2, save it, restart VS Code, and let me know what the OmniSharp Log reads in that case?

TomPallister · 2017-11-08T09:01:15Z

Edit: Thanks for the help!

I updated the issue to show I already tried that :( unfortunately it did not fix the issue. I've just tried again (madness / don't trust myself) and getting:

Starting OmniSharp server at 2017-11-8 08:59:04
    Target: /Users/TGP/Documents/git/Ocelot/Ocelot.sln

OmniSharp server started wth Mono
    Path: /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/run
    PID: 49920

[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 1 MSBuild instance(s)
            1: StandAlone 15.0 - "/Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin"
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        MSBUILD_EXE_PATH environment variable set to '/Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin/MSBuild.dll'
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Registered MSBuild instance: StandAlone 15.0 - "/Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin"
            MSBuildExtensionsPath = /Library/Frameworks/Mono.framework/Versions/4.8.0/lib/mono/xbuild
            CscToolPath = /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin/Roslyn
            CscToolExe = csc.exe
            MSBuildToolsPath = /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin
            TargetFrameworkRootPath = /Library/Frameworks/Mono.framework/Versions/4.8.0/lib/mono/xbuild-frameworks
[info]: OmniSharp.Cake.CakeProjectSystem
        Detecting Cake files in '/Users/TGP/Documents/git/Ocelot'.
[info]: OmniSharp.Cake.CakeProjectSystem
        Found 1 Cake files.
[warn]: OmniSharp.Cake.CakeProjectSystem
        Cake script service not connected. Aborting.
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Initializing in /Users/TGP/Documents/git/Ocelot
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Auto package restore: False
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Update workspace context
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Resolving projects references
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Detecting projects in '/Users/TGP/Documents/git/Ocelot/Ocelot.sln'.
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[warn]: OmniSharp.MSBuild.MSBuildProjectSystem
        Failed to load project file '/Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj'.
/Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj(1,1)
Microsoft.Build.Exceptions.InvalidProjectFileException: The SDK 'Microsoft.NET.Sdk' specified could not be found.  /Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj
  at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject (System.String errorSubCategoryResourceName, Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, System.Object[] args) [0x00042] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Shared.ProjectErrorUtilities.VerifyThrowInvalidProject[T1] (System.Boolean condition, System.String errorSubCategoryResourceName, Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, T1 arg0) [0x00003] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject[T1] (Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, T1 arg0) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].ExpandAndLoadImportsFromUnescapedImportExpressionConditioned (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement, System.Collections.Generic.List`1[Microsoft.Build.Construction.ProjectRootElement]& projects, System.Boolean throwOnFileNotExistsError) [0x00198] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].ExpandAndLoadImports (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x00024] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].EvaluateImportElement (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].PerformDepthFirstPass (Microsoft.Build.Construction.ProjectRootElement currentProjectOrImport) [0x000c8] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].Evaluate (Microsoft.Build.BackEnd.Logging.ILoggingService loggingService, Microsoft.Build.Framework.BuildEventContext buildEventContext) [0x000df] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].Evaluate (Microsoft.Build.Evaluation.IEvaluatorData`4[P,I,M,D] data, Microsoft.Build.Construction.ProjectRootElement root, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings, System.Int32 maxNodeCount, Microsoft.Build.Collections.PropertyDictionary`1[T] environmentProperties, Microsoft.Build.BackEnd.Logging.ILoggingService loggingService, Microsoft.Build.Evaluation.IItemFactory`2[S,T] itemFactory, Microsoft.Build.Evaluation.IToolsetProvider toolsetProvider, Microsoft.Build.Evaluation.ProjectRootElementCache projectRootElementCache, Microsoft.Build.Framework.BuildEventContext buildEventContext, Microsoft.Build.Execution.ProjectInstance projectInstanceIfAnyForDebuggerOnly, Microsoft.Build.BackEnd.SdkResolution sdkResolution) [0x00016] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.Reevaluate (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x0004c] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00034] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary () [0x00007] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project.Initialize (System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, System.String subToolsetVersion, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x000e9] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, System.String subToolsetVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x0009c] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.ProjectCollection.LoadProject (System.String fileName, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion) [0x000f5] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at Microsoft.Build.Evaluation.ProjectCollection.LoadProject (System.String fileName, System.String toolsVersion) [0x00000] in <9ba305957e954df9b0ed46d97ba8f5be>:0 
  at OmniSharp.MSBuild.ProjectFile.ProjectFileInfo.LoadProject (System.String filePath, System.String solutionDirectory, Microsoft.Extensions.Logging.ILogger logger, OmniSharp.MSBuild.Discovery.MSBuildInstance msbuildInstance, OmniSharp.Options.MSBuildOptions options, System.Collections.Generic.ICollection`1[T] diagnostics, System.Collections.Immutable.ImmutableArray`1[System.String]& targetFrameworks) [0x0004b] in <4334175a8f8f4b01b5db9f56f106c232>:0 
  at OmniSharp.MSBuild.ProjectFile.ProjectFileInfo.Create (System.String filePath, System.String solutionDirectory, Microsoft.Extensions.Logging.ILogger logger, OmniSharp.MSBuild.Discovery.MSBuildInstance msbuildInstance, OmniSharp.Options.MSBuildOptions options, System.Collections.Generic.ICollection`1[T] diagnostics) [0x0000a] in <4334175a8f8f4b01b5db9f56f106c232>:0 
  at OmniSharp.MSBuild.MSBuildProjectSystem.LoadProject (System.String projectFilePath) [0x00038] in <4334175a8f8f4b01b5db9f56f106c232>:0

It looks like it just isn't finding any SDK I guess. Very strange!

DustinCampbell · 2017-11-08T09:13:24Z

That is strange. I would expect the SdkResolver installed with OmniSharp to locate the SDK you have installed, especially if it's on the path.

Could you try updating the version of Mono you have installed? 4.8.0 is a bit old and installing a recent version will cause OmniSharp to use the MSBuild installed with Mono.

TomPallister · 2017-11-08T09:54:26Z

Yep that has fixed it..still saying it can't find the SDK but omnisharp seems to be working as usual.

Starting OmniSharp server at 2017-11-8 09:51:53
    Target: /Users/TGP/Documents/git/Ocelot/Ocelot.sln

OmniSharp server started wth Mono
    Path: /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/OmniSharp.exe
    PID: 50646

[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 2 MSBuild instance(s)
            1: Mono 15.0 - "/Library/Frameworks/Mono.framework/Versions/5.4.0/lib/mono/msbuild/15.0/bin"
            2: StandAlone 15.0 - "/Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin"
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Registered MSBuild instance: Mono 15.0 - "/Library/Frameworks/Mono.framework/Versions/5.4.0/lib/mono/msbuild/15.0/bin"
            CscToolPath = /Users/TGP/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin/Roslyn
            CscToolExe = csc.exe
[info]: OmniSharp.Cake.CakeProjectSystem
        Detecting Cake files in '/Users/TGP/Documents/git/Ocelot'.
[info]: OmniSharp.Cake.CakeProjectSystem
        Found 1 Cake files.
[warn]: OmniSharp.Cake.CakeProjectSystem
        Cake script service not connected. Aborting.
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Initializing in /Users/TGP/Documents/git/Ocelot
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Auto package restore: False
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Update workspace context
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Resolving projects references
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Detecting projects in '/Users/TGP/Documents/git/Ocelot/Ocelot.sln'.
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/src/Ocelot/Ocelot.csproj
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/test/Ocelot.UnitTests/Ocelot.UnitTests.csproj
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/test/Ocelot.AcceptanceTests/Ocelot.AcceptanceTests.csproj
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/test/Ocelot.ManualTest/Ocelot.ManualTest.csproj
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/test/Ocelot.Benchmarks/Ocelot.Benchmarks.csproj
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/TGP/Documents/git/Ocelot/test/Ocelot.IntegrationTests/Ocelot.IntegrationTests.csproj
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
The specified SDK version [2.0.2] from global.json [/Users/TGP/Documents/git/Ocelot/global.json] not found; install specified SDK version
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.UnitTests
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.AcceptanceTests
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.ManualTest
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.Benchmarks
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.IntegrationTests
[info]: OmniSharp.Script.ScriptProjectSystem
        Detecting CSX files in '/Users/TGP/Documents/git/Ocelot'.
[info]: OmniSharp.Script.ScriptProjectSystem
        Could not find any CSX files
[info]: OmniSharp.Stdio.Program
        Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.CSharpWorkspaceOptionsProvider
[info]: OmniSharp.Stdio.Program
        Configuration finished.
[info]: OmniSharp.Stdio.Program
        Omnisharp server running using Stdio at location '/Users/TGP/Documents/git/Ocelot' on host 50627.

DustinCampbell · 2017-11-08T10:11:01Z

Those SDK messages are really weird. I assume "dotnet" is on your path?

TomPallister · 2017-11-08T10:48:06Z

Yes it is...very weird :(

DustinCampbell · 2017-11-08T14:18:50Z

Do you see those same The specified SDK version [2.0.2] from global.json not found; install specified SDK version messages if you run the following at the command-line? MSBuild is included with Mono these days, so I'd expect it to build.

> msbuild /Users/TGP/Documents/git/Ocelot/Ocelot.sln

@nguerrera, @livarcocc: Have you seen anything like this? We're getting these specified SDK version [2.0.2] from global.json not found from both the SdkResolvers included in OmniSharp and the ones included with Mono. However, according to the top of this issue, .NET Core SDK is certainly installed and on the path. Do you have any ideas of what might cause this or how we could debug the issue?

TomPallister · 2017-11-08T14:43:04Z

I get the same thing running that command but the solution does build. I'm using this to try and log the output

msbuild /Users/TGP/Documents/git/Ocelot/Ocelot.sln /fileLogger /fileLoggerParameters:LogFile=MyLog.log;Append;Verbosity=diagnostic;Encoding=UTF-8

For some reason I can see the SDK text in the console but it doesn't appear in MyLog.log so I can't send you an example that shows it.

yreynhout · 2017-11-08T15:09:59Z

FYI, I have the same issue on a Windows environment. Used to work on the same machine a couple of days ago.

DustinCampbell · 2017-11-08T16:14:49Z

Thanks @TomPallister : that verifies my suspicion. Out of curiosity have you done anything different with your .NET Core SDK installation? I'm trying to figure out if there's anything I'll need to do on my macOS to replicate the issue. I assume https://github.com/TomPallister/Ocelot is the project to use?

@yreynhout : Is it truly the same issue? Do you have a global.json file that specifies an SDK version that you have installed on your machine? Because you're on Windows, my suspicion is that the issue may be different.

TomPallister · 2017-11-08T16:36:45Z

@DustinCampbell I haven't done anything different to my knowledge...I am an idiot tho :(

DustinCampbell · 2017-11-08T16:39:32Z

@TomPallister : I just tried the following steps and could not replicate the SDK message. Here's what I did:

First, I removed all of the .NET Core SDKs from my system.

> sudo rm -rf /usr/local/share/dotnet/`

Next, I downloaded .NET Core SDK 2.0.2 from https://www.microsoft.com/net/download/macos and ran the installer. I verified that I have just .NET Core SDK 2.0.2 on the system.

> ls -al /usr/local/share/dotnet/sdk/

drwxr-xr-x    4 root  wheel    128 Nov  8 08:22 .
drwxr-xr-x   10 root  wheel    320 Nov  8 08:22 ..
drwxr-xr-x  119 root  wheel   3808 Sep 27 18:13 2.0.2
drwxr-xr-x  336 root  wheel  10752 Nov  8 08:22 NuGetFallbackFolder

Next, I cloned the Ocelot project.

> git clone https://github.com/TomPallister/Ocelot
> cd Ocelot

Next, I double-checked that the global.json specifies SDK version 2.0.0 (not 2.0.2):

> cat global.json 
{
  "projects": [ "src", "test" ],
  "sdk": {
    "version": "2.0.0"
  }

I tried building Ocelot with the build.sh script but got a fail when Cake compiled the script.

> ./build.sh 
Downloading NuGet...
Feeds used:
  /Users/dustincampbell/.nuget/packages/
  https://api.nuget.org/v3/index.json

Restoring NuGet package Cake.0.23.0.
Adding package 'Cake.0.23.0' to folder '/Users/dustincampbell/projects/Ocelot/tools'
Added package 'Cake.0.23.0' to folder '/Users/dustincampbell/projects/Ocelot/tools'
Analyzing build script...
Processing build script...
Installing tools...
Installing addins...
Compiling build script...
Error: Error occurred when compiling build script: /Users/dustincampbell/projects/Ocelot/build.cake(417,25): error CS0012: The type 'Dictionary<,>' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Collections, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.

Since I got an error with the build script, I went ahead and restored and build with the SDK.

> dotnet restore
> dotnet build

Both of those operations succeeded, so I went ahead and opened the project in VS Code:

> code .

Everything appears to have loaded successfully:

Starting OmniSharp server at 11/8/2017, 8:27:34 AM
    Target: /Users/dustincampbell/projects/Ocelot/Ocelot.sln

OmniSharp server started wth Mono
    Path: /Users/dustincampbell/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/OmniSharp.exe
    PID: 2006

[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 2 MSBuild instance(s)
            1: Mono 15.0 - "/Library/Frameworks/Mono.framework/Versions/5.4.0/lib/mono/msbuild/15.0/bin"
            2: StandAlone 15.0 - "/Users/dustincampbell/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin"
[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Registered MSBuild instance: Mono 15.0 - "/Library/Frameworks/Mono.framework/Versions/5.4.0/lib/mono/msbuild/15.0/bin"
            CscToolPath = /Users/dustincampbell/.vscode/extensions/ms-vscode.csharp-1.13.0/.omnisharp/omnisharp/msbuild/15.0/Bin/Roslyn
            CscToolExe = csc.exe
[info]: OmniSharp.Cake.CakeProjectSystem
        Detecting Cake files in '/Users/dustincampbell/projects/Ocelot'.
[info]: OmniSharp.Cake.CakeProjectSystem
        Found 1 Cake files.
[warn]: OmniSharp.Cake.CakeProjectSystem
        Cake script service not connected. Aborting.
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Initializing in /Users/dustincampbell/projects/Ocelot
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Auto package restore: False
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Update workspace context
[info]: OmniSharp.DotNet.DotNetProjectSystem
        Resolving projects references
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Detecting projects in '/Users/dustincampbell/projects/Ocelot/Ocelot.sln'.
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/dustincampbell/projects/Ocelot/src/Ocelot/Ocelot.csproj
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/dustincampbell/projects/Ocelot/test/Ocelot.UnitTests/Ocelot.UnitTests.csproj
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/dustincampbell/projects/Ocelot/test/Ocelot.AcceptanceTests/Ocelot.AcceptanceTests.csproj
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/dustincampbell/projects/Ocelot/test/Ocelot.ManualTest/Ocelot.ManualTest.csproj
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/dustincampbell/projects/Ocelot/test/Ocelot.Benchmarks/Ocelot.Benchmarks.csproj
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Loading project: /Users/dustincampbell/projects/Ocelot/test/Ocelot.IntegrationTests/Ocelot.IntegrationTests.csproj
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.UnitTests
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.AcceptanceTests
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.ManualTest
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.Benchmarks
[info]: OmniSharp.MSBuild.MSBuildProjectSystem
        Update project: Ocelot.IntegrationTests
[info]: OmniSharp.Script.ScriptProjectSystem
        Detecting CSX files in '/Users/dustincampbell/projects/Ocelot'.
[info]: OmniSharp.Script.ScriptProjectSystem
        Could not find any CSX files
[info]: OmniSharp.Stdio.Program
        Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.CSharpWorkspaceOptionsProvider
[info]: OmniSharp.Stdio.Program
        Configuration finished.
[info]: OmniSharp.Stdio.Program
        Omnisharp server running using Stdio at location '/Users/dustincampbell/projects/Ocelot' on host 1971.

yreynhout · 2017-11-08T20:32:46Z

@DustinCampbell I did specify a global.json after observing the issue but doesn't solve it. Oddly, on my Ubuntu environment 1.13.0 is running just fine. I'll post the windows error log tomorrow and try some of the above.

DustinCampbell · 2017-11-08T20:42:14Z

thanks!

TomPallister · 2017-11-09T09:03:22Z

@DustinCampbell I will give your instructions a try and see what happens thanks!

DustinCampbell · 2017-11-09T15:04:31Z

@TomPallister : If you still see the SDK issue, try the following at a command prompt:

> set COREHOST_TRACE=1
> code .

This should enable a bunch of diagnostic spew in the OmniSharp Log as it tries to resolve you .NET Core SDK. This might provide some insight.

wdominik · 2017-11-10T16:54:00Z

@yreynhout I've got a similar issue on my Windows environment. I also had Visual Studio 2017 installed while primarily using Visual Studio Code for my .NET core project, but updating Visual Studio solved my issues with the C# extension. Just saying, in case you might have a similar setup.

cboutiette · 2017-11-10T17:49:13Z

A workaround while this issue is being fixed:

Uninstall OmniSharp under extension manager
Download last stable version: https://github.com/OmniSharp/omnisharp-vscode/releases/tag/v1.11.0 (download vsix file)
Open terminal in vscode and navigate to directory where vsix file is stored
Install it manually using code --install-extension csharp-1.11.0.vsix (Install from a VSIX section
https://code.visualstudio.com/docs/editor/extension-gallery)
Disable auto update until fix is released. File -> Preferences ->
Settings change {"extensions.autoUpdate": true} to {"extensions.autoUpdate": false}(Auto Update Extensions microsoft/vscode#9367)

DustinCampbell · 2017-11-10T17:58:18Z

@cboutiette : FWIW, v1.11.0 is not the last stable version. The last stable release should be https://github.com/OmniSharp/omnisharp-vscode/releases/tag/v1.12.1.

DustinCampbell · 2017-11-10T18:03:14Z

Additionally, rolling back to an earlier C# for VS Code may break certain C# features with VS Code 1.18. For example, unit test debugging will likely be broken due to an API break that was introduced in VS Code 1.18 which C# for VS Code 1.13 addresses.

cboutiette · 2017-11-10T18:07:39Z

@DustinCampbell Upon testing everything seemed to work for me as it did prior to the update. I haven't tried version 1.12.1 but I am sure it will work the same.

Honestly, as a developer who prefers vscode over visual studio this is more of a temporary fix and not a permanent one.

So do at your own risk. Bottom line is it kept me chugging along and maybe it could help some others.

My VSCode version is 1.18 in case anyone is wondering as well.

DustinCampbell · 2017-11-10T18:14:23Z

Edited: updated this with a newer release of OmniSharp that will work with C# for VS 1.13.

Another potential workaround that would allow you to stay on C# for VS 1.13 until the next version comes out would be to use a newer version of OmniSharp which fixes already contains a fix for the issue.

Download OmniSharp 1.26.3 from https://github.com/OmniSharp/omnisharp-roslyn/releases/tag/v1.26.3. You'll want to download the appropriate version for your system.
- omnisharp-linux-x64.tar.gz
- omnisharp-linux-x86.tar.gz
- omnisharp-osx.tar.gz
- omnisharp-win-x64.zip
- omnisharp-win-x86.zip
Untar/zip the file to a folder. On Linux/OSX, you should also chmod 755 the run and mono.* files within the folder you decompressed to.

In VS Code, set the following options:

Windows:

"omnisharp.path": "<the-path-you-just-decompressed-to>/OmniSharp.exe"

OSX/Linux:

"omnisharp.path": "<the-path-you-just-decompressed-to>/run"

Alternatively, if you're on OSX/Linux and have Mono 5.2.0 or greater installed, you could choose to run on OmniSharp on your own Mono (which can have better results loading projects)"

"omnisharp.path": "<the-path-you-just-decompressed-to>/.omnisharp/OmniSharp.exe"
"omnisharp.useMono": true

Restart VS Code.

TomPallister · 2017-11-12T18:13:37Z

@DustinCampbell all seems OK after removing old versions of .net core! Thanks for the help.

DustinCampbell · 2017-11-13T17:56:22Z

I've just pushed a new release that should help address this issue: 1.13.1. We'll be pushing this to marketplace sometime today. However, if you want to try it out, you can follow the instructions here to install it.

This was referenced Nov 9, 2017

Microsoft.Build.Exceptions.InvalidProjectFileException: The SDK 'Microsoft.NET.Sdk' specified could not be found. #1849

Closed

Add back code that sets MSBuildSDKsPath environment variable for each project OmniSharp/omnisharp-roslyn#1021

Merged

DustinCampbell mentioned this issue Nov 11, 2017

Predefined type 'System.Void' is not defined or imported #1855

Closed

DustinCampbell added the Resolved-Fixed label Nov 13, 2017

DustinCampbell added this to the 1.13 milestone Nov 13, 2017

DustinCampbell added the Bug label Nov 13, 2017

DustinCampbell mentioned this issue Nov 13, 2017

Updates for 1.13.1 #1860

Merged

DustinCampbell closed this as completed Nov 13, 2017

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vscode c# / omnisharp not starting after updating to 1.13.0 #1846

vscode c# / omnisharp not starting after updating to 1.13.0 #1846

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vscode c# / omnisharp not starting after updating to 1.13.0 #1846

vscode c# / omnisharp not starting after updating to 1.13.0 #1846

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TomPallister commented Nov 8, 2017 •

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wdominik commented Nov 10, 2017 •

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cboutiette commented Nov 10, 2017 •

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cboutiette commented Nov 10, 2017 •

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DustinCampbell commented Nov 10, 2017 •

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