Firefox HTML deployment error

Development Platform & Builds
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1

Hi,

I deployed on Firefox, but I get this error immediately.

Expression ((ReadPtr + Size + 2*sizeof(uint32)) <= RecieveBuffer.Num()) failed in D:\Build\++UE4+Release-4.14+Compile\Sync\Engine\Source\Runtime\NetworkFile\Private\HTTPTransport.cpp:181!
Check console for details.

console:

Expression '(ReadPtr + Size + 2*sizeof(uint32)) <= RecieveBuffer.Num()' failed in D:\Build\++UE4+Release-4.14+Compile\Sync\Engine\Source\Runtime\NetworkFile\Private\HTTPTransport.cpp:181!
    at EPq (6454c3ef-e531-41da-b6d6-d334ab3eb160:93:1)
    at myh (6454c3ef-e531-41da-b6d6-d334ab3eb160:34:1)
    at bmC (6454c3ef-e531-41da-b6d6-d334ab3eb160:110:1)
    at KZb (6454c3ef-e531-41da-b6d6-d334ab3eb160:62:1)
    at __a (6454c3ef-e531-41da-b6d6-d334ab3eb160:29:1)
    at KWq (6454c3ef-e531-41da-b6d6-d334ab3eb160:93:1)
    at jHc (6454c3ef-e531-41da-b6d6-d334ab3eb160:59:1)
    at Rs (6454c3ef-e531-41da-b6d6-d334ab3eb160:103:1)
    at uK (6454c3ef-e531-41da-b6d6-d334ab3eb160:61:1)
    at bgj (6454c3ef-e531-41da-b6d6-d334ab3eb160:73:1)
    at A5i (6454c3ef-e531-41da-b6d6-d334ab3eb160:73:1)
    at asm._main (60667844-524c-4b97-b89d-7396c3183aa3:132:34553)
    at callMain (60667844-524c-4b97-b89d-7396c3183aa3:132:180716)
    at doRun (60667844-524c-4b97-b89d-7396c3183aa3:132:181635)
    at run/< (60667844-524c-4b97-b89d-7396c3183aa3:132:181803)  60667844-524c-4b97-b89d-7396c3183aa3:1:326595
uncaught exception: ASM_CONSTS<@blob:http://localhost:53501/60667844-524c-4b97-b89d-7396c3183aa3:1:28354
_emscripten_asm_const_iiii@blob:http://localhost:53501/60667844-524c-4b97-b89d-7396c3183aa3:1:32018
EPq@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:93:1
myh@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:34:1
bmC@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:110:1
KZb@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:62:1
__a@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:29:1
KWq@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:93:1
jHc@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:59:1
Rs@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:103:1
uK@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:61:1
bgj@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:73:1
A5i@blob:http://localhost:53501/6454c3ef-e531-41da-b6d6-d334ab3eb160:73:1
asm._main@blob:http://localhost:53501/60667844-524c-4b97-b89d-7396c3183aa3:132:34553
callMain@blob:http://localhost:53501/60667844-524c-4b97-b89d-7396c3183aa3:132:180716
doRun@blob:http://localhost:53501/60667844-524c-4b97-b89d-7396c3183aa3:132:181635
run/<@blob:http://localhost:53501/60667844-524c-4b97-b89d-7396c3183aa3:132:181803

EDIT: basically the same thing on Chrome.

117577-html_deploy.png
117577-html_deploy.png1673×1120 35.8 KB

2

Alisaxy,

  • Have you tested this in 4.14.1?
  • Which version of FireFox are you on?
  • Have you tested this in Chrome?

Looking forward to hearing back from you, thanks!

3

I’ve just installed v4.14.1, but unfortunately it did not remedy the situation. I’m testing on Firefox v50.0.2 & Chrome v54.0.2840.99 m (64-bit).

I also get this message in the UE4 launch log (on Chrome):

HTML5LaunchHelper: [1211/133737:ERROR:main_dll_loader_win.cc(196)] Could not find exported function RelaunchChromeBrowserWithNewCommandLineIfNeeded
4

Is this happening on any project that you launch for HTML5?

I am using FireFox version: 49.0.2 and Chrome version: 54.0.2840.99 m (64-bit). I also checked in FireFox version 50.0.2 and did not have any trouble. I am using a blank project.

5

Okay, so I’ve tested it on three projects so far: Basic C++ Code, Blank Blueprint & C++ FPS Template. It does work if I just press the “Launch” button, but if I launch it from the project launcher the same issue emerges yet again. This happened on the fresh C++ FPS Template & I didn’t change the project/launch config in any way, I just launched it from the project launcher straight away.

[Here’s the full log of that][1]

118477-projectlauncher.log (34.2 KB)

6

Alisaxy,

I have submitted [UE-39714][1] for this issue. Let me know if you have any further questions.

Thanks!

Unreal Engine Issues and Bug Tracker (UE-39714)

7

this bug is fixed for 4.15 – tracked in (UE-38281 & UE-22166)

the change list contains a number of fixes that wouldn’t be easy to just list them here to get your 4.14.1 running.

a few things to get the fix:

  • it will be up in the github repository sometime next week (the merge to main is happening right now)
  • you can wait for the official 4.15 release (which i think is in feb)
  • or, do not use the “cook on the fly” – but use “by the book” cook option (this will be the same as using the “launch” button)
8

Thanks a lot, Nick. I’ll just use the “by the book” cooking then.

9

Thanks kindly for your help, .