Describe the bug
Launching Minecraft with ONLY mimi crashed the client before main menu

To Reproduce
Steps to reproduce the behavior:

1. Go to Minecraft 1.20.1
2. Add Forge 47.4.3 and MIMI
3. See crash

Crash Logs
Crash log from Craft to Exile 2 (v1.0)
crash-2025-07-12_22.49.23-client.txt

Environment:

• OS: Manjaro Linux
• Mod Version: 4.3.0 (also tested 4.3.1 - no change)
• Minecraft Version: 1.20.1
• Forge Version: 47.4.3

Additional context
I dont know if this is related to the previous issues #116 or #142 but hey its worth mentioning

Forgot to add that beta 2 does work fine

Awesome, glad to hear Beta 2 resolved the issue for you!

Yeah, it looks like MIMI is failing to initialize it's synthesizer because of missing audio format capabilities so that makes sense with what you mentioned about your setup.

I am able to run MIMI v4.1.3 no problem. the issue starts with version 4.2.0
when i update to v4.2.0 it does this and then i cant ever start the pack again if i exit:

Hello! Thank you so much for the bug report!

I found the problem causing the crash and just uploaded a second beta for 4.3.1 to CurseForge that should fix this issue!

What is happening is that MIMI is failing to initialize Java's built-in MIDI synthesizer for some reason and instead of logging an error and moving on it was crashing the whole game because I accidentally put a couple lines in the wrong order. 😅

However, this might mean that with this new fix you shouldn't crash anymore but I'm not sure that you will be able to hear any instrument sounds from MIMI because the synthesizer is still failing to initialize for some reason..

If you would be able to send me your full log file I can take a look and see if I can figure out why it's failing to initialize!

I made a new vanilla instance with MIMI v4.3.1 and this is the crash report and logs:

crash-2025-07-13_09.14.15-client.txt

latest.log

I know I might not be able to hear the instruments in game, its because my Synth setup is kinda broken right now. I need to go fix it but at least this isn't going to crash the pack I'm playing anymore.

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.