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Unhandled Exception is thrown when building with IL2CPP for Android when using HttpEncoder from System.Web



Steps to reproduce:
1. Open user's attached project ""
2. Try building it on Android Platform
3. Notice the errors in the console "Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object."

Expected results: Project builds IL2CPP for Android when using HttpEncoder
Actual results: Project fails to build with IL2CPP for Android when using HttpEncoder

Reproducible with: 2019.2.14f1, 2019.3.0f1, 2020.1.0a15

Notes: An error is thrown if switching to the StandAlone platform "The type or namespace name 'Util' does not exist in the namespace 'System.Web' (are you missing an assembly reference?)". The project Unable to build in 2018.4 due to different errors

  1. Response avatar

    Resolution Note:

    IL2CPP has limited support for code in the System.Web namespace. Use the .NET Standard 2.0 Api Compatibility level to get the support that does exist.

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