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Have HttpClientHandler throw the InnerException when catching TargetInvocationException #56334

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steveisok
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Originally on mobile workloads when UseNativeHttpHandler is set to true, all reflection method invokes
bubbled up a TargetInvocationException. To make the details a bit more readable, we will instead rethrow
the InnerException.

Fixes #56089

…nvocationException

Originally on mobile workloads when UseNativeHttpHandler is set to true, all reflection method invokes
bubbled up a TargetInvocationException.  To make the details a bit more readable, we will instead rethrow
the InnerException.

Fixes dotnet#56089
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ghost commented Jul 26, 2021

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Issue Details

Originally on mobile workloads when UseNativeHttpHandler is set to true, all reflection method invokes
bubbled up a TargetInvocationException. To make the details a bit more readable, we will instead rethrow
the InnerException.

Fixes #56089

Author: steveisok
Assignees: -
Labels:

area-System.Net.Http

Milestone: -

catch (TargetInvocationException e)
{
ExceptionDispatchInfo.Capture(e.InnerException!).Throw();
throw;
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Redundant? Wouldn't the line above already throw?

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It's needed to trick the analyzer.

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Looks good after addressing if the .Throw(); and throw; are redundant

@steveisok steveisok merged commit baf0cd8 into dotnet:main Jul 27, 2021
@steveisok steveisok deleted the throw-better-exception-httpch-mobile branch July 27, 2021 18:40
@KalleOlaviNiemitalo
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Could use the static method ExceptionDispatchInfo.Throw(Exception) from dotnet/coreclr#10489, if this isn't targeting any older frameworks.

<TargetFrameworks>$(NetCoreAppCurrent)-windows;$(NetCoreAppCurrent)-Linux;$(NetCoreAppCurrent)-OSX;$(NetCoreAppCurrent)-FreeBSD;$(NetCoreAppCurrent)-MacCatalyst;$(NetCoreAppCurrent)-iOS;$(NetCoreAppCurrent)-tvOS;$(NetCoreAppCurrent)-Browser;$(NetCoreAppCurrent)-illumos;$(NetCoreAppCurrent)-Solaris;$(NetCoreAppCurrent)-Android</TargetFrameworks>

public static void Throw(Exception source) => Capture(source).Throw();

@karelz karelz added this to the 6.0.0 milestone Jul 29, 2021
@ghost ghost locked as resolved and limited conversation to collaborators Aug 28, 2021
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Android HttpClientHandler throws wrong exception type
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