The game crashes at world gen on MacOS

[cpotemski]

Describe the bug
I made a fresh download of the modpack in CurseForge and at creation of the first world the game crashes (before the "tiles screen"). Minecraft launcher just says "Exit code: 6" which seems like a normal "error during runtime"
->

To Reproduce
Steps to reproduce the behavior:

1. boot CurseForge
2. download mudpack
3. launch Minecraft
4. create first world

Expected behavior
A clear and concise description of what you expected to happen.
-> I think that one is obvious

Crashlog
hs_err_pid91980.log

Modpack version
-> 0.1.2 (but also tried 0.1.0 and 0.1.1)
Java Version
-> 17.0.8
Modpack Launcher Used
-> CurseForge
Ram Allocated
-> 16 GB

Additional context
Add any other context about the problem here.
-> I am playing on MacOS Sonoma (14.0). Vanilla Minecraft 1.20.2 runs just fine. Also other modpacks play well

[MalaChaiLatte]

Change your java to 17.0.6, This issue normally occurs from using java 17.0.7 or later

[cpotemski]

That's a good suggestion but definitely not an easy fix as the Minecraft launcher per default uses the default java packaged with the launcher that is at 17.0.8 and homebrew and sdkman both do not offer 17.0.6 anymore as it is too old by now.
I will keep trying to figure out a way I could get such an old version and manually install and change it in the launcher profile, but I think we should find a better solution.

Do you know what the specific problem is?

I already tested Java 20 but that seems not compatible as well :/

PS: Found the version here: https://learn.microsoft.com/en-gb/java/openjdk/older-releases#openjdk-17 (use the one with Architecture AArch64 / M1) and will try it later today

[cpotemski]

Okay 17.0.6 was the "solution" but I still think the root cause should be solved. I would love to assist

[MalaChaiLatte]

I use an M1 Macbook air to play mc, This issue persists across almost all packs I play, Which is why I just use prism launcher to play as I can download any java version and choose it without much hassle.

Specifically, I use GraalVM or Zulu depending on how I'm feeling

https://www.azul.com/downloads/?version=java-17-lts&os=macos&architecture=arm-64-bit&package=jdk&show-old-builds=true#zulu

[MalaChaiLatte]

The original post I used to fix this, FTBTeam/FTB-Modpack-Issues#3325

[cpotemski]

Thank you for your help :)

[cpotemski]

A quick addition, that makes it even more annoying. Curseforge overrides the launcher_profiles.json on every start of the modpack so I have to configure the correct executable on EVERY start of the game

[MalaChaiLatte]

Hence my use of prism launcher