Flaky: rzc generate exited with code 1

[Evangelink]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1472636
Build error leg or test failing: Microsoft.NET.Sdk.Razor.Tests.MvcBuildIntegrationTest50.IncrementalBuild_WithP2P_WorksWhenBuildProjectReferencesIsDisabled
Pull request: #54845

Details

Exception Message

Expected value to be 0 because Expected command to pass but it did not.
Working Directory:
File Name: /tmp/helix/working/AA0009A6/p/d/dotnet
Arguments: msbuild /t:Build /private/tmp/helix/working/AA0009A6/t/dotnetSdkTests.URC7mGWI/IncrementalBu---79A8D79D/AppWithP2PReference/AppWithP2PReference.csproj /restore
Exit Code: 1
StdOut:
MSBuild version 18.9.0-preview-26311-113+50e862b8d for .NET
  Determining projects to restore...
  Restored /private/tmp/helix/working/AA0009A6/t/dotnetSdkTests.URC7mGWI/IncrementalBu---79A8D79D/ClassLibrary/ClassLibrary.csproj (in 90 ms).
  Restored /private/tmp/helix/working/AA0009A6/t/dotnetSdkTests.URC7mGWI/IncrementalBu---79A8D79D/AppWithP2PReference/AppWithP2PReference.csproj (in 96 ms).
/tmp/helix/working/AA0009A6/p/d/sdk/11.0.100-ci/Sdks/Microsoft.NET.Sdk/targets/Microsoft.NET.RuntimeIdentifierInference.targets(385,5): message NETSDK1057: You are using a preview version of .NET. See: https://aka.ms/dotnet-support-policy [/private/tmp/helix/working/AA0009A6/t/dotnetSdkTests.URC7mGWI/IncrementalBu---79A8D79D/AppWithP2PReference/AppWithP2PReference.csproj]
  This writer does not support components.
     at Microsoft.AspNetCore.Razor.Language.CodeGeneration.IntermediateNodeWriter.WriteMarkupElement(CodeRenderingContext context, MarkupElementIntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.DefaultRazorCSharpLoweringPhase.Visitor.VisitMarkupElement(MarkupElementIntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.CodeGeneration.CodeRenderingContext.RenderChildren(IntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.DefaultRazorCSharpLoweringPhase.Visitor.VisitMethodDeclaration(MethodDeclarationIntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.CodeGeneration.CodeRenderingContext.RenderChildren(IntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.DefaultRazorCSharpLoweringPhase.Visitor.VisitClassDeclaration(ClassDeclarationIntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.CodeGeneration.CodeRenderingContext.RenderChildren(IntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.DefaultRazorCSharpLoweringPhase.Visitor.VisitNamespaceDeclaration(NamespaceDeclarationIntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.CodeGeneration.CodeRenderingContext.RenderChildren(IntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.DefaultRazorCSharpLoweringPhase.Visitor.VisitDocument(DocumentIntermediateNode node)
     at Microsoft.AspNetCore.Razor.Language.DefaultRazorCSharpLoweringPhase.WriteDocument(RazorCodeDocument codeDocument, CancellationToken cancellationToken)
     at Microsoft.AspNetCore.Razor.Language.DefaultRazorCSharpLoweringPhase.ExecuteCore(RazorCodeDocument codeDocument, CancellationToken cancellationToken)
     at Microsoft.AspNetCore.Razor.Language.RazorEngine.Process(RazorCodeDocument codeDocument, CancellationToken cancellationToken)
     at Microsoft.NET.Sdk.Razor.Tool.GenerateCommand.<>c__DisplayClass57_0.<GenerateCode>b__0(Int32 i) in /_/src/RazorSdk/Tool/GenerateCommand.cs:line 380
     at System.Threading.Tasks.Parallel.<>c__DisplayClass19_0`2.<ForWorker>b__1(RangeWorker& currentWorker, Int64 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
  --- End of stack trace from previous location ---
     at System.Threading.Tasks.Parallel.<>c__DisplayClass19_0`2.<ForWorker>b__1(RangeWorker& currentWorker, Int64 timeout, Boolean& replicationDelegateYieldedBeforeCompletion)
     at System.Threading.Tasks.TaskReplicator.Replica.Execute()
/tmp/helix/working/AA0009A6/p/d/sdk/11.0.100-ci/Sdks/Microsoft.NET.Sdk.Razor/targets/Microsoft.NET.Sdk.Razor.CodeGeneration.targets(150,5): error : rzc generate exited with code 1. [/private/tmp/helix/working/AA0009A6/t/dotnetSdkTests.URC7mGWI/IncrementalBu---79A8D79D/ClassLibrary/ClassLibrary.csproj]
StdErr:
, but found 1 (difference of 1).

CallStack

at FluentAssertions.Execution.LateBoundTestFramework.Throw(String message)
   at FluentAssertions.Execution.DefaultAssertionStrategy.HandleFailure(String message)
   at FluentAssertions.Execution.AssertionChain.FailWith(Func`1 getFailureReason)
   at FluentAssertions.Numeric.NumericAssertionsBase`3.Be(T expected, String because, Object[] becauseArgs)
   at Microsoft.NET.TestFramework.Assertions.CommandResultAssertions.Pass() in /_/test/Microsoft.NET.TestFramework/Assertions/CommandResultAssertions.cs:line 27
   at Microsoft.NET.Sdk.Razor.Tests.MvcBuildIntegrationTest50.IncrementalBuild_WithP2P_WorksWhenBuildProjectReferencesIsDisabled() in /_/test/Microsoft.NET.Sdk.Razor.Tests/MvcBuildIntegrationTest50.cs:line 59
   at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
   at System.RuntimeMethodHandle.InvokeMethod(ObjectHandleOnStack target, Void** arguments, ObjectHandleOnStack sig, BOOL isConstructor, ObjectHandleOnStack result)
   at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

Error Message

DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": "",
  "ErrorPattern": "Microsoft\\.NET\\.Sdk\\.Razor\\.CodeGeneration\\.targets(150,5): error : rzc generate exited with code 1\\.",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1472636
Error message validated: [Microsoft\.NET\.Sdk\.Razor\.CodeGeneration\.targets(150,5): error : rzc generate exited with code 1\.]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 6/19/2026 5:19:01 PM UTC

Report

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	0	0

[github-actions]

This Known Build Error has had 0 hits in the past month and has been labeled stale. It will be auto-closed in 7 days if the hit count remains at 0. Add the keep-open label to prevent auto-closure.

[github-actions]

Closed automatically — this Known Build Error has had 0 hits for over a month.

[github-actions]

Closed automatically — this Known Build Error has had 0 hits for over a month.