Blazor AOT Workload Installation not working on Ubuntu

[ar0311]

Describe the bug

When attempting to install the AOT workload per the preview 4 blog post on Ubuntu), the following error:

Installing pack Microsoft.NET.Runtime.MonoAOTCompiler.Task version 6.0.0-preview.4.21253.7... [NuGet Manager] [Info] GET https://pkgs.dev.azure.com/dnceng/9ee6d478-d288-47f7-aacc-f6e6d082ae6d/_packaging/825db618-e3eb-4426-ba54-b1d6e6c944d8/nuget/v3/registrations2-semver2/microsoft.net.runtime.monoaotcompiler.task/index.json [NuGet Manager] [Info] GET https://api.nuget.org/v3/registration5-gz-semver2/microsoft.net.runtime.monoaotcompiler.task/index.json [NuGet Manager] [Info] OK https://api.nuget.org/v3/registration5-gz-semver2/microsoft.net.runtime.monoaotcompiler.task/index.json 1781ms System.NullReferenceException: Object reference not set to an instance of an object. at Microsoft.DotNet.Workloads.Workload.Install.NetSdkManagedInstaller.GetPackInstallRecordPath(PackInfo packInfo, SdkFeatureBand featureBand) in dotnet.dll:token 0x60001c5+0x0 at Microsoft.DotNet.Workloads.Workload.Install.NetSdkManagedInstaller.DeletePackInstallationRecord(PackInfo packInfo, SdkFeatureBand featureBand) in dotnet.dll:token 0x60001c7+0x0 at Microsoft.DotNet.Workloads.Workload.Install.NetSdkManagedInstaller.RollBackWorkloadPackInstall(PackInfo packInfo, SdkFeatureBand sdkFeatureBand) in dotnet.dll:token 0x60001bd+0x0 at Microsoft.DotNet.Workloads.Workload.Install.WorkloadInstallCommand.<>cDisplayClass14_1.b3() in dotnet.dll:token 0x6000b20+0x15 at Microsoft.DotNet.Cli.TransactionalAction.EnlistmentNotification.Rollback(Enlistment enlistment) in dotnet.dll:token 0x6000ced+0x8 at System.Transactions.VolatileEnlistmentAborting.EnterState(InternalEnlistment enlistment) in System.Transactions.Local.dll:token 0x6000404+0x0 at System.Transactions.VolatileEnlistmentActive.InternalAborted(InternalEnlistment enlistment) in System.Transactions.Local.dll:token 0x60003e9+0x0 at System.Transactions.TransactionStateAborted.EnterState(InternalTransaction tx) in System.Transactions.Local.dll:token 0x6000259+0x4c at System.Transactions.TransactionStateActive.Rollback(InternalTransaction tx, Exception e) in System.Transactions.Local.dll:token 0x6000224+0x8 at System.Transactions.Transaction.Rollback() in System.Transactions.Local.dll:token 0x600010b+0x4b at System.Transactions.TransactionScope.InternalDispose() in System.Transactions.Local.dll:token 0x600019c+0x95 at System.Transactions.TransactionScope.Dispose() in System.Transactions.Local.dll:token 0x600019b+0x34b at Microsoft.DotNet.Cli.TransactionalAction.Run[T](Func`1 action, Action commit, Action rollback) in dotnet.dll:token 0x6000922+0x47 at Microsoft.DotNet.Cli.TransactionalAction.Run(Action action, Action commit, Action rollback) in dotnet.dll:token 0x6000923+0x19 at Microsoft.DotNet.Workloads.Workload.Install.NetSdkManagedInstaller.InstallWorkloadPack(PackInfo packInfo, SdkFeatureBand sdkFeatureBand, Boolean useOfflineCache) in dotnet.dll:token 0x60001bc+0x7e at Microsoft.DotNet.Workloads.Workload.Install.WorkloadInstallCommand.<>cDisplayClass14_1.b2() in dotnet.dll:token 0x6000b1f+0x15 at Microsoft.DotNet.Cli.TransactionalAction.<>c__DisplayClass2_0.b__0() in dotnet.dll:token 0x6000cef+0x0 at Microsoft.DotNet.Cli.TransactionalAction.Run[T](Func1 action, Action commit, Action rollback) in dotnet.dll:token 0x6000922+0x35 at Microsoft.DotNet.Cli.TransactionalAction.Run(Action action, Action commit, Action rollback) in dotnet.dll:token 0x6000923+0x19 at Microsoft.DotNet.Workloads.Workload.Install.WorkloadInstallCommand.InstallWorkloadsWithInstallRecord(IEnumerable1 workloadIds, SdkFeatureBand sdkFeatureBand) in dotnet.dll:token 0x60001cf+0xb5 at Microsoft.DotNet.Workloads.Workload.Install.WorkloadInstallCommand.InstallWorkloads(IEnumerable`1 workloadIds, Boolean skipManifestUpdate) in dotnet.dll:token 0x60001ce+0x58 at Microsoft.DotNet.Workloads.Workload.Install.WorkloadInstallCommand.Execute() in dotnet.dll:token 0x60001cb+0x216 at Microsoft.DotNet.Cli.DotNetTopLevelCommandBase.RunCommand(String[] args) in dotnet.dll:token 0x60008af+0x5e at Microsoft.DotNet.Workloads.Workload.WorkloadCommand.Run(String[] args) in dotnet.dll:token 0x6000145+0x6 at Microsoft.DotNet.Cli.Program.ProcessArgs(String[] args, TimeSpan startupTime, ITelemetry telemetryClient) in dotnet.dll:token 0x6000918+0x2e8 at Microsoft.DotNet.Cli.Program.Main(String[] args) in dotnet.dll:token 0x6000916+0x6f

To Reproduce

$ dotnet workload install microsoft-net-sdk-blazorwebassembly-aot

Exceptions (if any)

As above.

Further technical details

• ASP.NET Core version 6.0.100-preview.4
• Include the output of dotnet --info
• The IDE (VS / VS Code/ VS4Mac) you're running on, and its version - terminal, Ubuntu Linux

[dotnet-issue-labeler[bot]]

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[marcpopMSFT]

Tracked in this issue, already fixed, see workaround linked here: https://github.com/dotnet/sdk/issues/17865#issuecomment-849124530