Code: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener. a:58) at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManage ava:332) at net.minecraft.server.EntityLiving.a(EntityLiving.java:486) at net.minecraft.server.Entity.a(Entity.java:635) at net.minecraft.server.Entity.move(Entity.java:513) at net.minecraft.server.EntityLiving.a(EntityLiving.java:582) at net.minecraft.server.EntityLiving.v(EntityLiving.java:704) at net.minecraft.server.EntityMonster.v(EntityMonster.java:26) at net.minecraft.server.EntityLiving.m_(EntityLiving.java:218) at net.minecraft.server.EntityMonster.m_(EntityMonster.java:30) at net.minecraft.server.World.entityJoinedWorld(World.java:1198) at net.minecraft.server.WorldServer.entityJoinedWorld(WorldServer.jav 8) at net.minecraft.server.World.playerJoinedWorld(World.java:1180) at net.minecraft.server.World.cleanUp(World.java:1104) at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:447) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361) at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)