Fix exception mapping during expect 100 cancellation.#41800
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/azp run runtime-libraries stress-http |
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/azp run runtime-libraries stress-http |
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Failing test is #37838 |
scalablecory
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Sep 8, 2020
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/backport to release/5.0-rc2 |
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Started backporting to release/5.0-rc2: https://github.com/dotnet/runtime/actions/runs/246289373 |
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Discovered during HTTP stress tests for HTTP 1.1
The exception from
sendRequestContentTaskwas thrown as-is instead of being mapped as any other exception (e.g. being wrapped inOperationCanceledExceptionwhen task was cancelled)Stress failure: https://dev.azure.com/dnceng/public/_build/results?buildId=796633&view=logs&j=2d2b3007-3c5c-5840-9bb0-2b1ea49925f3&t=8030b67c-413b-5f79-b1fb-b1ba3f08bc47&l=1235
The related code block has been introduced in 5.0 (#38774) and this is a regression from 3.1: a different type of exception is thrown for cancellation than
TaskCancelledException.Contributes to #40388