#61987·aspnetcore

[已知构建错误] Webcil 转换失败: 图像太小

作者: ilonatommy创建于 2025年5月19日更新于 2026年9月17日

标签area-blazorKnown Build Error

Build Information

Build: https://dev.Azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1043546&view=logs&j=d9092465-e29c-5735-3051-a3146222728b Build error leg or test failing: Build / Test: Windows local development validation / Build (Release) Pull Request: https://GitHub.com/dotnet/aspnetcore/pull/61748

Error Message

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

json

{
  "ErrorMessage": "",
  "ErrorPattern": "error : Failed to convert .*.dll' to webcil: Image is too small.",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

 WASM.Performance.TestApp (Blazor output) -> D:\a\_work\1\s\src\Components\benchmarkapps\WASM.Performance\TestApp\bin\Release\net10.0\wwwroot
  Optimizing assemblies for size may change the behavior of the app. Be sure to test after publishing. See: https://aka.ms/dotnet-illink
  Optimizing assemblies for size. This process might take a while.
C:\Users\cloudtest\.nuget\packages\microsoft.net.sdk.WebAssembly.pack\10.0.0-preview.5.25260.104\build\Microsoft.NET.Sdk.WebAssembly.Browser.targets(631,5): error : Failed to convert 'D:\a\_work\1\s\artifacts\obj\BasicTestApp\Release\net10.0\linked\System.Private.Xml.dll' to webcil: Image is too small. [D:\a\_work\1\s\src\Components\test\testassets\BasicTestApp\BasicTestApp.csproj]
  Publishing without optimizations. Although it's optional for Blazor, we strongly recommend using `WASM-tools` workload! You can install it by running `dotnet workload install WASM-tools` from the command line.
  BasicTestApp -> D:\a\_work\1\s\src\Components\test\E2ETest\bin\Release\net10.0\trimmed-or-threading\BasicTestApp\

The exception is thrown by PEBinaryReader in https://GitHub.com/dotnet/runtime/blob/2e77d32dfcd5465434e4b0963e9be50b749521f6/src/libraries/System.Reflection.Metadata/src/System/Reflection/PortableExecutable/PEBinaryReader.cs#L118 called by https://GitHub.com/dotnet/runtime/blob/2e77d32dfcd5465434e4b0963e9be50b749521f6/src/tasks/Microsoft.NET.Sdk.WebAssembly.Pack.Tasks/ConvertDllsToWebCil.cs#L70

Known issue validation

Build: :mag_right: https://dev.Azure.com/dnceng-public/public/_build/results?buildId=1043546 Error message validated: [error : Failed to convert .*.dll' to webcil: Image is too small. ] Result validation: :white_check_mark: Known issue matched with the provided build. Validation performed at: 5/19/2025 7:10:00 AM UTC

Report

Summary

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内容来源: dotnet/aspnetcore

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