[Wasm][Test Failure] LoadLazyAssemblyBeforeItIsNeeded(lazyLoadingTestExtension: "wasm", allLazyLoadingTestExtensions: ["wasm", "dll", "NoExtension"])

[CarnaViire]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=769868
Build error leg or test failing: Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded
Pull request: #105841

Error Message

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

{
  "ErrorMessage": "Could not find the pattern in the build output: '\\*\\* MicrosoftNetCoreAppRuntimePackDir : '([^ ']*)''.",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=769868
Error message validated: [Could not find the pattern in the build output: '\*\* MicrosoftNetCoreAppRuntimePackDir : '([^ ']*)''.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/8/2024 7:59:41 PM UTC

Report

Build	Definition	Test	Pull Request
843683	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
841740	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108842
840348	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108766
838007	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108751
835716	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108533
835773	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108120
831820	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108481
829842	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108597
828332	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108323
827823	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
827718	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108543
827245	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108323
827220	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108370
826908	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
826685	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108487
826569	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108533
826027	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108516
826001	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108513
825800	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution
825766	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#106963
823508	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108441
822595	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108370
822341	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108370
820672	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108319
821663	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
821572	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108324
821569	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108188
821473	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
821131	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded
820594	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108337
820520	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
820291	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108188
820261	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108323
820240	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#107865
819536	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#105427
819346	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#106977
819018	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#107865
818994	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108277
818843	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108271
818781	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
817724	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly
817447	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#107639
817126	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108198
816876	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.SatelliteLoadingTests.LoadSatelliteAssembly	#108190
816842	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108186
816784	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#108179
816686	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution
816602	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#107772
815754	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#105427
815436	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded
815271	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#108116
815073	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution
814806	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#106875
814697	dotnet/runtime	Workloads-NoWebcil-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#107772
814439	dotnet/runtime	Workloads-NoFingerprint-ST-Wasm.Build.Tests.WorkItemExecution	#107961
813753	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#107772
813028	dotnet/runtime	Wasm.Build.Tests.TestAppScenarios.LazyLoadingTests.LoadLazyAssemblyBeforeItIsNeeded	#107984

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	2	57

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Tagging subscribers to this area: @dotnet/area-infrastructure-libraries
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[lewing]

cc @maraf

[maraf]

Looking at offended builds, binlog always correctly contains PrintRuntimePackPath target and the message. Only the text output in log is missing it, including the standard dotnet build summary

Build succeeded.
0 Warning(s)
0 Error(s)

Time Elapsed 00:00:08.02

It checked for success exit code before. So, buffers in process wrapper?

[pavelsavara]

do we need to flush MSBuild stdout somehow ? Kill the process ?

[maraf]

There is a library for reading binlog https://www.nuget.org/packages/MSBuild.StructuredLogger.
Maybe if we don't get "Build finished" message from the build process output, we can try to read all messages from binlog

[jkotas]

It checked for success exit code before. So, buffers in process wrapper?

We keep seeing reports of the redirected output being truncated mysteriously. For example, #108395 filled a few days ago or #100114 (comment) from a few months ago. Given the variety of the reports, it points to a bug (race condition?) in System.Diagnostics.Process implementation.

[pavelsavara]

Is it possible that we are dealing with "msbuild server" process ?