[Hosting] Do not set activity status on exception - #65825
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halter73 merged 3 commits intoMay 14, 2026
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Do not set the status description when an exception occurs as it can be inferred from the HTTP status that will be served to align with the existing behaviour of OpenTelemetry.Instrumentation.AspNetCore. Resolves open-telemetry/opentelemetry-dotnet-contrib#3968.
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Pull request overview
Updates Hosting’s Activity end-tagging behavior so exceptions no longer set an Activity status description, aligning with existing OpenTelemetry AspNetCore instrumentation behavior while still marking the span as Error and recording error.type.
Changes:
- Stop passing
exception.MessageintoActivity.SetStatus(...)when an exception is present. - Update the corresponding diagnostics test to assert
StatusDescriptionisnullfor exception scenarios.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| src/Hosting/Hosting/src/Internal/HostingApplicationDiagnostics.cs | Removes exception message from Activity.SetStatus so status description is not set on exceptions. |
| src/Hosting/Hosting/test/HostingApplicationDiagnosticsTests.cs | Adjusts assertion to expect StatusDescription to be null when an exception is reported. |
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Mar 18, 2026
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/cc @danroth27 |
This was referenced May 15, 2026
This was referenced Jun 4, 2026
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Do not set activity status on exception
Do not set the
Activitystatus description when an exception is thrown.Description
Do not set the status description when an exception occurs as it can be inferred from the HTTP status that will be served to align with the existing behaviour of OpenTelemetry.Instrumentation.AspNetCore (code).
Fixes open-telemetry/opentelemetry-dotnet-contrib#3968