Game crashes if i going from pig to pig

Duplicate of MC-10312, please use the search function to see if your bug has already been submitted. Currently over 52% of tickets are being closed as duplicate.

hmm ok, but do you know that i can crash the game with a carrot on a stick and a minecart?
its an other exception and i can't find a ticket for this, but i don't want to open again a ticket that already exist...

Minecraft Crash Report ----
// Shall we play a game?

Time: 26.02.13 18:05
Description: Ticking memory connection

java.lang.NullPointerException
at ml.U(SourceFile:1169)
at jf.a(SourceFile:119)
at ec.a(SourceFile:136)
at cg.b(SourceFile:59)
at jf.d(SourceFile:59)
at jg.b(SourceFile:35)
at bix.b(SourceFile:84)
at net.minecraft.server.MinecraftServer.r(SourceFile:480)
at net.minecraft.server.MinecraftServer.q(SourceFile:397)
at biu.q(SourceFile:122)
at net.minecraft.server.MinecraftServer.run(SourceFile:331)
at gn.run(SourceFile:573)

Can't find it either, feel free to create a new ticket 🙂