1.20.1 crash / Cannot invoke "it.unimi.dsi.fastutil.longs.LongArrayList.getLong(int)" because "this.

the game crashes a few moments after loading into the world (singleplayer) i have already generated the world with chunky on a server and downloaded it to singleplayer, have been generating LODs for a few hours now on 4092 distance, medium quality and i have paid for the whole cpu preset its been generating just fine, sql file is around 900mb with no swiss cheese or any errors in chat but now crashes soon after i load the world
Solution:
seems somehow related to modernfix #466, removing modernfix fixes the crash
Jump to solution
13 Replies
Puhpine
Puhpine3mo ago
You could try making a backup of the world, then try joining the world with just DH. If that works, it is probably some mod causing this. Dont forget the backup though, as joining the world without some mods could break the world
T H Λ L E S
T H Λ L E S3mo ago
yeah im aware, surely its trying to build lod for something from a mod it doesnt like is there a debug mode to get more info of whats going on
Puhpine
Puhpine3mo ago
Maybe, although I don't think I see DH mentioned in the crash right? So it might be a completely different issue all together Yes, but I forgot where in dh's settings you can turn it on
T H Λ L E S
T H Λ L E S3mo ago
ill try it with dh only and see
Puhpine
Puhpine3mo ago
And I'm not anywhere near my pc so I can't check for you Alright
T H Λ L E S
T H Λ L E S3mo ago
but still isnt it.unimi.dsi.fastutil.longs.LongArrayList.getLong(int) a DH method?
Puhpine
Puhpine3mo ago
Why do you think so? I'm not a dev so it very well could be lol
T H Λ L E S
T H Λ L E S3mo ago
ok quick questions is DH known to have issues with quark
Puhpine
Puhpine3mo ago
I heard something about quark a while back, but I forgot if that was positive or negative. Let me dig in previous messages Yea I still don't know So my answer will be: no as far as I remember
T H Λ L E S
T H Λ L E S3mo ago
ill first try without quark then with only DH bruh issue persists with quark removed update i went after a hunch and removed modernfix, it fixed the issue
Solution
T H Λ L E S
T H Λ L E S3mo ago
seems somehow related to modernfix #466, removing modernfix fixes the crash
T H Λ L E S
T H Λ L E S3mo ago
GitHub
ModernFix causing frequent server crashes · Issue #446 · embeddedt/...
Bug Description Our server has been experiencing repeated crashes over the last week, which (after extensive testing) seem to be resolved only by removing ModernFix from our modpack. Possibly an in...
Puhpine
Puhpine3mo ago
Nice! I'll keep this in mind for future reference
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