Building ASP.NET 5 project in VSO

Question

I cannot get VSO to build ASP.NET 5 projects. There seems to be an issue getting the packages.

Build steps in VSO:

I have the project building in VS 2015 and have "Restore NuGet Packages" checked.

Build console output:

******************************************************************************
Starting task: Build solution $/Root/TestApi/Development/TestApi.sln
******************************************************************************
Executing the powershell script: C:\LR\MMS\Services\Mms\TaskAgentProvisioner\Tools\tasks\VSBuild\1.0.13\VSBuild.ps1
C:\Program Files (x86)\MSBuild\14.0\bin\msbuild.exe "C:\a\dce2e497\Root\TestApi.sln" /nologo /m /nr:false /fl /flp:"logfile=C:\a\dce2e497\Root\TestApi.sln.log" /dl:CentralLogger,"C:\LR\MMS\Services\Mms\TaskAgentProvisioner\Tools\agent\worker\Microsoft.TeamFoundation.DistributedTask.MSBuild.Logger.dll"*ForwardingLogger,"C:\LR\MMS\Services\Mms\TaskAgentProvisioner\Tools\agent\worker\Microsoft.TeamFoundation.DistributedTask.MSBuild.Logger.dll" /p:DeployOnBuild=true /p:WebPublishMethod=Package /p:PackageAsSingleFile=true /p:SkipInvalidConfigurations=true /p:PackageLocation="C:\a\dce2e497\staging" /p:platform="any cpu" /p:configuration="release" /p:VisualStudioVersion="14.0"
Build started 8/2/2015 11:21:29 AM.
     1>Project "C:\a\dce2e497\Root\TestApi.sln" on node 1 (default targets).
     1>ValidateSolutionConfiguration:
         Building solution configuration "release|any cpu".
     1>Project "C:\a\dce2e497\Root\TestApi.sln" (1) is building "C:\a\dce2e497\Root\TestApi.Api\TestApi.Api.xproj" (2) on node 1 (default targets).
     2>PrepareForBuild:
         Creating directory "..\artifacts\bin\TestApi.Api\".
         Creating directory "..\artifacts\obj\TestApi.Api\Release\".
       PreComputeCompileTypeScript:
         C:\Program Files (x86)\Microsoft SDKs\TypeScript\1.4\tsc.exe  --noEmitOnError COMPUTE_PATHS_ONLY
       CompileTypeScript:
       Skipping target "CompileTypeScript" because it has no outputs.
       CoreCompile:
         C:\Users\buildguest\.dnx\runtimes\dnx-clr-win-x86.1.0.0-beta6\bin\dnx.exe --appbase "C:\a\dce2e497\Root\TestApi.Api" "C:\Users\buildguest\.dnx\runtimes\dnx-clr-win-x86.1.0.0-beta6\bin\lib\Microsoft.Framework.PackageManager\Microsoft.Framework.PackageManager.dll" pack "C:\a\dce2e497\Root\TestApi.Api" --configuration Release --out "..\artifacts\bin\TestApi.Api"
         Microsoft .NET Development Utility CLR-x86-1.0.0-beta6-12256
         Building TestApi.Api for DNX,Version=v4.5.1
           Using Project dependency TestApi.Api 1.0.0
             Source: C:\a\dce2e497\Root\TestApi.Api\project.json
           Unable to resolve dependency Microsoft.AspNet.Server.IIS 1.0.0-beta6
    TestApi.Api\Startup.cs(5,17): Error CS0234: The type or namespace name 'AspNet' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)
     2>C:\a\dce2e497\Root\TestApi.Api\Startup.cs(5,17): DNX,Version=v4.5.1 error CS0234: The type or namespace name 'AspNet' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\a\dce2e497\Root\TestApi.Api\TestApi.Api.xproj]
TestApi.Api\Startup.cs(6,17): Error CS0234: The type or namespace name 'AspNet' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?)
     2>C:\a\dce2e497\Root\TestApi.Api\Startup.cs(6,17): DNX,Version=v4.5.1 error CS0234: The type or namespace name 'AspNet' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\a\dce2e497\Root\TestApi.Api\TestApi.Api.xproj]

Note that this is specific to NuGet package restore. Refer to my answer for the fix.

Try to remove the visual studio build. That might not work with DNX. Just invoke a build.cmd file, similar to the one here github.com/aspnet/Identity/blob/dev/build.cmd — Victor Hurdugaci
– Victor Hurdugaci, Commented Aug 4, 2015 at 5:23
possible duplicate of DNX Build Failed - Unexpected exit code received from msbuild.exe: 1 — Victor Hurdugaci
– Victor Hurdugaci, Commented Aug 4, 2015 at 5:24
@VictorHurdugaci: This was a different problem, specifically to do with the restoring of packages before the build began. Refer to my answer. Thanks — Dave New
– Dave New, Commented Aug 4, 2015 at 5:32

Dave New · Accepted Answer · 2015-08-04 05:31:36Z

I used the following step to install DNVM, DNX and to call dnu restore for each project.json file found in src:

# bootstrap DNVM into this session.
&{$Branch='dev';iex ((new-object net.webclient).DownloadString('https://raw.githubusercontent.com/aspnet/Home/dev/dnvminstall.ps1'))}

# load up the global.json so we can find the DNX version
$globalJson = Get-Content -Path $PSScriptRoot\global.json -Raw -ErrorAction Ignore | ConvertFrom-Json -ErrorAction Ignore

if($globalJson)
{
    $dnxVersion = $globalJson.sdk.version
}
else
{
    Write-Warning "Unable to locate global.json to determine using 'latest'"
    $dnxVersion = "latest"
}

# install DNX
# only installs the default (x86, clr) runtime of the framework.
# If you need additional architectures or runtimes you should add additional calls
# ex: & $env:USERPROFILE\.dnx\bin\dnvm install $dnxVersion -r coreclr
& $env:USERPROFILE\.dnx\bin\dnvm install $dnxVersion -Persistent

 # run DNU restore on all project.json files in the src folder including 2>1 to redirect stderr to stdout for badly behaved tools
Get-ChildItem -Path $PSScriptRoot\src -Filter project.json -Recurse | ForEach-Object { & dnu restore $_.FullName 2>1 }

Refer to this MSDN post.

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