New client crash with 818?

Just wanted to see if anyone else is having this problem before I write up a bug on it.

My minecart track is a WIP right now, early on the track there is a long drop that lands you on a booster track that continues the track for awhile. I don't lose any health at that point, but further down the track it gets to a point where I haven't continued it, and it drops maybe 2 blocks onto stone with no track. At that point I lose about 6 or 7 hearts.

However, if I am low on health and I die at that point it crashes the client and drops me off the server. (Server remains running.)

Bukkit reports:

09:06:47 [INFO] MycahM jumped of a cliff and died!
09:06:48 [WARNING] Failed to handle packet: java.lang.NullPointerException
java.lang.NullPointerException
at net.minecraft.server.Entity.f(Entity.java:1094)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:232)
at net.minecraft.server.Packet10Flying.a(SourceFile:126)
at net.minecraft.server.NetworkManager.b(NetworkManager.java:217)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:75)
at net.minecraft.server.NetworkListenThread.a(SourceFile:105)
at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:401)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:311)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
>


Has anyone else seen this issue as well? I'm not sure if it'd be a bukkit bug or a mc bug. I know notch recently added the damage if in cart/boat in a fall.

09:10:36 [INFO] Plugins: DeathMessagePlugin, ChocoCrops, ChairCraft, AntiTower, MuddersMilk, FlamingArrows, FriendlyCreepers, Essentials, EssentialsChat, properTime, EssentialsSpawn, PumpkinDiver, Lockette, RealTeleporter

Thanks!