No seed in particular does this, and as long as its above easy it works. Your gamemode also doesn't affect it. I've had it happen in all gamemodes except adventure (because I haven't tested it in adventure)
Only crashes the host of the world, not anyone else in it.
Attached world is a random one I used just for crashing, hense the name.
Description
If you kill wither skeletons that the wither summoned after the wither dies, and the wither skeletons have taken 0 prior damage, killing the wither skeletons will crash the game.
According to X1Crafts, the factor is the amount of damage the wither skeletons have taken, meaning the wither skeletons cannot take any external damage, and must be at full health.
How to reproduce
Find or build a location with a wither trapping chamber of sorts.
Summon a wither inside of it
Take the wither past half health (Do not kill it) I use /damage @e[type=wither] magic 300, though any damage the wither isn't resistant to works.
Teleport the wither skeletons away from the wither, out of range of the explosion. Be sure that nothing damages them. (/tp @e[type=wither_skeleton] @s/whatever coordinate.
Kill the wither, any method works.
Kill the wither skeletons.
Repeat. It sometimes takes tons of repeating
Clip of it happening in 1.21.21
https://www.youtube.com/watch?v=x7Me78au8vw
The exact thing still happens in newer versions.
Clip of me testing in 1.21.31
Shows the fact that it doesn't work on the surface. It could also have to do with the amount of time I've spent in the world, as I usually go underground after several above-ground tests. This clip ends suddenly because of the crash.
Clip from my brothers PC where it crashed higher up in the world. 1.21.31
https://www.youtube.com/watch?v=ihztg5I7Cx0
Not my computer. His game was the only one that crashed. Mine was fine.
Clip of me trying to get it to happen from a fresh launch. 1.21.31
Took two tries to record this clip, as the first time I had a memory leak issue, and the game was lagging and using over 30GB of ram (I've seen it hit 50GB+ before, it's very common for me, should see if theres a report on that already)
Clip of me not having it happen in the current preview. Preview 1.21.50.24
Edit: Fluke, does happen in the preview.
An unusal occurence. This test is really fun, and also terrible, but will result in a crash almost every time. Oddly enough it didn't crash, and I decided that after 4 (I think it was 4) tests, that it probably doesn't crash anymore. I'm hoping that it doesn't crash anymore once the update is out, because this bug has been stopping me from getting full beacon coverage in my base for a while now.
Attachments
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Me and my brother were messing around summoning withers and I warned him that the skeletons would crash my game if killed, and one, in fact, crashed my game.
This issue is being temporarily resolved as Awaiting Response. Once the requested information has been delivered, the report will be reopened automatically.
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Since I have found this doesn't seem to be affected by graphics cards, and I've found mob quantities effects things more, I'm going to test on more devices, and leave my poor laptop alone. My games crashed so much today.
I can reproduce this issue. The game crashed after killing a wither skeleton that had spawned from the wither (after the wither was killed).
This was done on the latest release (1.21.31), not the preview.
My system specs:
Intel UHD Graphics (Integrated Graphics)
Intel Core i9-10885H CPU
If any more specs are needed, let me know.
Steps I used to reproduce this issue:
Summon the wither.
Once it has finished its invulnerability stage, run:
/damage @e[type=wither] 300 magicWhen the wither skeletons have spawned, teleport them away from the wither so they don't die from the wither's death explosion:
/tp @e[type=wither_skeleton] @sKill the wither.
Kill the wither skeletons using a sword.
I managed to reproduce this on in 1.21.50.24 Preview and 1.21.41 Hotfix. My specs are as follows:
Windows 11 24H2
Intel Core i5-3330S
Nvidia GeForce GT 640M
One thing to note is that in order to successfully reproduce this bug, you need to make sure that the Wither Skeletons do not take any external damage, including damage from the wither explosion, fire damage, freezing damage, or fall damage. They need to be at full health first.
Also, note for the current reporter of this issue xX_d3stroy3r_Xx, please update the Affects Version/s list.