If the client-side adds a chest to a donkey or mule and the server-side cancels it, the same mule will appear to have the chest for the client.
The problem is, when the client tries to access it's inventory, the game crashes, java.lang.ArrayIndexOutOfBoundsException:2.
MC-26382
Client crashes when trying to access a horse inventory that was removed by the server.
Resolved
Invalid
0
This ticket is invalid as it relates to a modded or 3rd party client/server.
Any non-standard client/server build needs to be taken up with the appropriate team, not Mojang.
Any plugin issues need to be addressed to the plugin creator.
This site is for addressing issues related to the base unmodded Minecraft.