Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

Cannot build MLAPI WebGL project

See original GitHub issue

Describe the bug After adding MLAPI to my project, WebGL builds fail.

To Reproduce Steps to reproduce the behavior:

Create a new Unity project (3D).
Add the MLAPI project via the package manager (git).
File->Build Settings->WebGL->Switch Platform->Build

Expected behavior Project builds successfully.

Screenshots See below.

Environment (please complete the following information):

OS: Windows 10
Unity Version: 2019.4.21f1 Personal
MLAPI Version: 0.10.0
MLAPI Commit:https://github.com/Unity-Technologies/com.unity.multiplayer.mlapi/commit/3e3aef6aa02c2a25359898319e5bd49d3518b57b

Additional context Errors (for searchability):

Library\PackageCache\com.unity.multiplayer.mlapi@3e3aef6aa0\Runtime\Transports\UNET\RelayTransport.cs(251,74): error CS0117: 'NetworkTransport' does not contain a definition for 'QueueMessageForSending'
Library\PackageCache\com.unity.multiplayer.mlapi@3e3aef6aa0\Runtime\Transports\UNET\RelayTransport.cs(266,60): error CS0117: 'NetworkTransport' does not contain a definition for 'QueueMessageForSending'
Library\PackageCache\com.unity.multiplayer.mlapi@3e3aef6aa0\Runtime\Transports\UNET\RelayTransport.cs(271,74): error CS0117: 'NetworkTransport' does not contain a definition for 'SendQueuedMessages'
Library\PackageCache\com.unity.multiplayer.mlapi@3e3aef6aa0\Runtime\Transports\UNET\RelayTransport.cs(273,60): error CS0117: 'NetworkTransport' does not contain a definition for 'SendQueuedMessages'
Error building Player because scripts had compiler errors
Build completed with a result of 'Failed' in 1 seconds (1391 ms)
UnityEngine.GUIUtility:ProcessEvent (int,intptr)
UnityEditor.BuildPlayerWindow+BuildMethodException: 5 errors
  at UnityEditor.BuildPlayerWindow+DefaultBuildMethods.BuildPlayer (UnityEditor.BuildPlayerOptions options) [0x002bf] in <208995a09fe148f5a6f6c571838c154f>:0 
  at UnityEditor.BuildPlayerWindow.CallBuildMethods (System.Boolean askForBuildLocation, UnityEditor.BuildOptions defaultBuildOptions) [0x00080] in <208995a09fe148f5a6f6c571838c154f>:0 
UnityEngine.GUIUtility:ProcessEvent (int,intptr)

Issue Analytics

State:
Created 2 years ago
Reactions:6
Comments:12 (3 by maintainers)

Top GitHub Comments

2reactions

notcatcommented, Aug 6, 2021

Hi, is there a possibility you could create a release version with this commit added only? This is a pretty important bug and I should not have to use the development branch to compile for WebGL.

0reactions

jeffreyrainycommented, Sep 19, 2022

Netcode for GameObjects building on WebGL is now possible, after https://github.com/Unity-Technologies/com.unity.netcode.gameobjects/pull/2199

Top Results From Across the Web

Unable to make WebGL development builds

To work around this, click on a different platform in the Build Player window, uncheck the "Script Debugging" checkbox, and click on WebGL...

MLAPI, Proton or Mirror for multiplayer in WEBGL? : r/Unity3D

Hey everyone, I'm working on a project that needs to support >10 players on it at a time, the docs on MLAPI seem...

WebGL Networking

You can't use any .NET networking classes within the WebGL platform because JavaScript code doesn't have direct access to internet protocol (IP) sockets...

Cannot build WebGL - Ask

I can build a Linux platform solution, but WebGL build always fails. I recently did a new install, but I'm using Unity 2019.4.18f1....

Unity WebGL Game Not Working? This Should Fix it - YouTube

Your browser can't play this video. Learn more. Open App. Quickly fix any Unity web versions of your game if it is not...