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MC-299126

The server crashes when certain mobs ride a turtle

This behavior was introduced in 25w15a.

The bug

So far, this issue has been reproduced with skeletons, wither skeletons, strays, bogged, and vindicators as the passengers, among others potentially. I have not lost a high-priority world, but this bug may still be dangerous.

A crash report with a vindicator as the test subject is attached, and the bug report should be public.

Steps to reproduce

Run the following command. It can brick a world, so be careful, please.

summon minecraft:turtle ~ ~ ~ {Passengers:[{id:"minecraft:vindicator"}]}

Observed behavior

The server will crash. On an integrated server, the game will close. On a dedicated server, the players will be disconnected.

Expected behavior

The server would run like normal, as was the case in versions prior to 25w15a.

Environment

Any

Attachments

Comments 4

Can anyone else confirm? I was not sure what this glitch was for a bit?

Can confirm in 1.21.7 Release Candidate 1

[media]

First tested on a updated world from an older version. Now this bug appears to be fixed.

World now works instead of crashing on load like it did when this bug was present. Confirmed fixed in the 1.21.7-rc2 update

Minecraft Dude

(Unassigned)

Confirmed

Platform

Important

Commands, Crash

1.21.6, 1.21.7 Release Candidate 1

1.21.7 Release Candidate 2

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