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HTML5 Uncaught Error at Array

I'm getting an error when playing my game in a web browser. The funny thing is that it works just fine until I use the numpad as input option. WASD is binded to the same keys as the numpad and works fine. But when using the numpad, it throws this error at me:

Uncaught Error at Array. (blob:http://localhost:8000/e3dae6c9-ff2e-41dc-a524-132fd15ef4ca:1:38841) at emscripten_asm_const_v (blob:http://localhost:8000/e3dae6c9-ff2e-41dc-a524-132fd15ef4ca:1:43602) at ZN5EKeys6AddKeyERK11FKeyDetails (wasm-function[92097]:150) at ZNK16FInputKeyManager15GetKeyFromCodesEjj (wasm-function[92095]:262) at ZN17FSlateApplication7OnKeyUpEijb (wasm-function[92847]:54) at ZThn148_N17FSlateApplication7OnKeyUpEijb (wasm-function[92892]:13) at ZN20FHTML5InputInterface4TickEfRK9SDL_EventR10TSharedRefI14FGenericWindowL7ESPMode0EE (wasm-function[17210]:660) at ZN17FHTML5Application19PollGameDeviceStateEf (wasm-function[17198]:538) at ZN17FSlateApplication19PollGameDeviceStateEv (wasm-function[97741]:128) at _ZN11FEngineLoop4TickEv (wasm-function[688]:8305)

The project packed HTML5 size is 144 MB, but does not complain about this on packaging or running the game in a browser.

Do anyone know what could cause this to happen?

Product Version: UE 4.19
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asked Apr 01 '18 at 02:54 PM in Everything Else

avatar image

AinSophAur
10 6 5 9

avatar image nick.shin STAFF Apr 02 '18 at 03:14 PM

ah - i had a bug about using the "windows" (i.e. "super") key. (note to self: UE-54056) i'll fix this to handle the num pad properly... sorry about that... i'll post the solution here when i get to this.

avatar image AinSophAur Apr 02 '18 at 03:44 PM

Thank you very much in advance. :)

avatar image Spider Mycron Jan 07 '19 at 02:01 PM

Hello, i run my game on browser normally but after few minutes it crash with below error message :

Uncaught Error at Array. (blob:http://www.momentsnews.com/455ead26-7bc4-466d-a80f-95d1b4478912:1:38841) at emscripten_asm_const_v (blob:http://www.momentsnews.com/455ead26-7bc4-466d-a80f-95d1b4478912:1:43523) at ZN22FOutputDeviceAnsiError9SerializeEPKwN13ELogVerbosity4TypeERK5FName (wasm-function[177976]:250) at ZN13FOutputDevice8LogfImplEPKwz (wasm-function[178718]:221) at ZN13FOutputDevice4LogfIA64_wJiiiiEEEvRKT_DpT0 (wasm-function[21349]:64) at __ZN6FDebug12AssertFailedEPKcS1_iPKwz (wasm-function[177433]:180) at __ZN25TSlateElementVertexBufferI12FSlateVertexE13PreFillBufferEib (wasm-function[94020]:132) at __ZN24FSlateRHIRenderingPolicy27UpdateVertexAndIndexBuffersER24FRHICommandListImmediateR15FSlateBatchDataR25TSlateElementVertexBufferI12FSlateVertexER24FSlateElementIndexBuffer (wasm-function[94019]:467) at __ZN24FSlateRHIRenderingPolicy27UpdateVertexAndIndexBuffersER24FRHICommandListImmediateR15FSlateBatchData (wasm-function[93748]:17) at __ZN17FSlateRHIRenderer23DrawWindow_RenderThreadER24FRHICommandListImmediateRNS_13FViewportInfoER23FSlateWindowElementListbb (wasm-function[94365]:3204)

how to fix that please ?

Thanks

avatar image nick.shin STAFF Jan 07 '19 at 05:30 PM

spider mycron, it seems one of your slate element might be missing from the project?

have you tried running your project from the editor? (i.e. PIE: "play in editor") usually, this will generate any errors in the Message Logs you can follow up on. (this can be found in: UE4's menu bar -> Window -> Developer Tools -> Message Log, and be sure to check all of the entries in there).

alt text

i would also recommend you try running your native platform (e.g. windows client) and see what error show up there as well.

hope this helps!

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2 answers: sort voted first

i have a fix in for 4.20

but, basically, HTML5PlatformInput.cpp needed to be updated with:

  • Engine/Source/Runtime/InputCore/Private/Linux/LinuxPlatformInput.cpp

NOTE: the HTML5 version uses SDL_SCANCODE_xxx (while the linux version uses SDLK_xxx)

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answered Apr 03 '18 at 03:47 PM

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nick.shin STAFF
471 5 4 9

avatar image AinSophAur Apr 03 '18 at 04:37 PM

Thank you for adding this fix to 4.20. I'll be looking forward to that. I'm using the release version, so I guess it's not that easy to fix unless I use the git version. But thanks a lot. :)

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hello, Thanks so much for kidly response, i found some blueprint errors from logs the level work fine inside the editor . anyways any other level i may publish on web is not work on mobile browser , it load for a bit then crash

is there solution to have game or level work on mobile browser ?

Thanks

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answered Jan 07 '19 at 05:33 PM

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Spider Mycron
1 1

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