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Fixed in 2020.1.X

Fixed in 2019.2.X, 2019.3.X

Votes

6

Found in

2019.1.0b5

2019.1.5f1

2019.2.0a6

2019.3.0a1

Issue ID

1161712

Regression

Yes

[WebGL] Building fails with Emscripten's Python failure

WebGL

-

To reproduce:
1) Open the attached project
2) Build it for WebGL

It fails with the following error: Failed running "E:\Stale Unities\2019.1\2019.1.0f2_f38a641b93e7\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten_Win\python\2.7.5.3_64bit\python.exe" -E "E:\Stale Unities\2019.1\2019.1.0f2_f38a641b93e7\Editor\Data\PlaybackEngines\WebGLSupport\BuildTools\Emscripten\emcc" @"E:\Downloads\case_1161712-Snail_Paradise\Assets\..\Temp\emcc_arguments.resp"

stdout:
stderr:warning: unexpected number of arguments 1 in call to '__cxa_pure_virtual', should be 0warning: unexpected number of arguments 2 in call to '_ZN6il2cpp6icalls8mscorlib6System6String22RedirectToCreateStringEv' <..>

Not reproduced in 2019.2.0a3, 2019.1.0b4, 2018.4.2f1
Reproduced in 2019.2.0a6, 2019.1.0b5, 2019.3.0a6

  1. Resolution Note (fix version 2020.1):

    Fixed in 2020.1.0a17, 2019.3.0f1, 2019.2.15f1

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Comments (6)

  1. Gnoktade

    Dec 26, 2020 13:48

    I'm using 2019.2.1 but I've had a problem Uncaught abort("To use dlopen, you need to use Emscripten's linking support, see https://github.com/kripken/emscripten/wiki/Linking") at Error

  2. aklyuchev

    Nov 21, 2019 14:49

    i don't use PlayFab SDK
    but have similar issue on unity 2019.2.12f1

  3. jukka_j

    Oct 05, 2019 08:17

    This bug report does not reference PlayFab SDK, but based on https://forum.unity.com/threads/webgl-broken-on-2019-x.753347/ and https://community.playfab.com/questions/33353/playfab-unity-2019-webgl-with-development-build.html, I assume this bug report is about the detected breakage with respect to PlayFab SDK.

    A proper fix is being worked on. Meanwhile, when this error occurs with respect to using the PlayFab SDK, there is a potential workaround that one can add an Editor script to the build that executes

    PlayerSettings.WebGL.emscriptenArgs = "-s ERROR_ON_UNDEFINED_SYMBOLS=0";

    before running the build.

    If your project is not using the PlayFab SDK, and you are receiving an Emscripten python failure, please open a different bug report, since the root cause is definitely something else. (receiving a python error from Emscripten is a general "compiler aborted" message, that does not yet identify the actual cause of the abort)

  4. goldbug

    Sep 30, 2019 18:07

    It has been 3 months, this particular bug causes playfab webgl not to work on 2019.2.x

    Can we get an update please? Why such large lead time?

  5. toddbellMSFT

    Sep 25, 2019 23:04

    Reproduced in 2019.2.6f1

  6. irfan_qvady

    Jul 18, 2019 07:49

    Reproduced in 2019.1.1f1

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