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Resolve file loading issues originating from Runtime store libraries #3343

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rajkumar-rangaraj
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Why

Fixes #3168, #3075
Follow up #3187

Steps to recreate an issue:: Adding the below package reference to Examples.AspNetCoreMvc project for net6.0 target it will reproduce crash issue.

<PackageReference Include="Microsoft.Extensions.Configuration" Version="6.0.1" />

What

The .NET loader takes control when the assembly load fails. If an assembly is part of the runtime store, we load it in a different context. This approach prevents crashes and allows ILogger data collection.

Rule engine needs to be turned off to test this approach. Diagnostics rule has a backoff logic.

Tests

Existing CI

Checklist

  • [ ] CHANGELOG.md is updated.
  • [ ] Documentation is updated.
  • [ ] New features are covered by tests.

@rajkumar-rangaraj rajkumar-rangaraj requested a review from a team March 29, 2024 06:19
@rajkumar-rangaraj
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@open-telemetry/dotnet-instrumentation-approvers Please review and test the behavior with Examples app in our repo. This approach resolves the crash issues that occur due to runtime store conflicts. Do set OTEL_DOTNET_AUTO_RULE_ENGINE_ENABLED to false to test it.

@Kielek
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Kielek commented Mar 29, 2024

@rajkumar-rangaraj, could you please add CHANGELOG entry for this fix?

I suppose it could convince some users to upgrade.

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@pjanotti pjanotti left a comment

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Very nice @rajkumar-rangaraj!

I will give a spin later today to validate some cases, but, at first LGTM. Per @Kielek comment a note on changelog will be good.

@github-actions github-actions bot requested a review from theletterf March 29, 2024 16:40
@rajkumar-rangaraj
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@rajkumar-rangaraj, could you please add CHANGELOG entry for this fix?

I suppose it could convince some users to upgrade.

@Kielek Added changelog, please take a look.

@rajkumar-rangaraj rajkumar-rangaraj merged commit 2f8dc0a into open-telemetry:main Apr 1, 2024
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4 participants