Question Unity game WebGL hosting issue [UnityCache] Error when initializing cache

Hi guys,

New to WebGL builds.
I've been testing whole deployment pipeline for WebGL projects. Created a simple game, it compiles and runs fine on my PC. Created a WebGL build, and dropped the game to my Ubuntu server (20.04 LTS) and I get the following error:

Code (JavaScript):

1. [UnityCache] Error when initializing cache: Error: Could not connect to cache: Cache API is not supported.
2.  
3. Build.loader.js:1 [UnityCache] Failed to load 'http://[my_test_site_address_here]/unity_files/Build/Build.data.gz' from indexedDB cache due to the error: Error: Could not connect to cache: Cache API is not supported.
4.  
5. Uncaught SyntaxError: Invalid or unexpected token (at Build.framework.js.gz:1:1)

I have disabled cache in the player settings and recompiled but still the same happens.

Should it matter I have embedded the game files in .Net Core 5 app (the only change this required was changing paths to static files ie the js and gz files - but the paths check out).

Also since this is test server there is no SSL cert set up, again providing that info should it be relevant.

Any help would be greatly appreciated.

 

i publish a package that can fixed UnityCache error ：https://assetstore.unity.com/packages/slug/242383,it just been released and may not be on the shelves yet, so you'll have to wait a while before you can get it

 

I am running into the same issue.

Your link seems to be broken. Also, would you mind posting the code needed to simply patch the Cache API bug?

 

Same problem here.
Appeared when i upgraded my project from Unity 2021.2.30 to 2022.1.19.
Project is deployed on a Windows IIS and since we upgraded Unity, addressables cache is not working anymore and we get this error in the browser console log :

[UnityCache] Error when initializing cache: Error: Could not connect to cache: Cache API is not supported.

[UnityCache] Failed to load 'xxxxx.data.gz' from indexedDB cache due to the error: Error: Could not connect to cache: Cache API is not supported.

 

Bump it

 

Bump. Having same issue with cache since upgrading to 2022.3.0f1

 

Check if your site is http, mine is working on https

 

I was also hitting this issue. Although obviously not a 'real' solution, perhaps it is useful for others to know that switching the 'development build' toggle on fixed this for me. For the record, I was also using http rather than https.

 

oddly i just encountered this and its downloading the build file super slow, its like 40mb, its feeling like its trying to do a few gb.. i never noticed these errors before, but then the speed was OK, its weird because it was working fine, and

 

It was erased