Bukkit

What steps will reproduce the problem?
1. Go to Nether
2. Place bed
3. Attempt to sleep on placed bed

What is the expected output? What do you see instead?

In-game: bed explodes as expected.

In-console: an error:
2015-03-26 01:09:05 [ERROR] Could not pass event EntityExplodeEvent to Landlord v1.3
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot.jar:git-Spigot-26dfd01-ad2f806]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-26dfd01-ad2f806]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.Explosion.a(Explosion.java:177) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.World.createExplosion(World.java:1865) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.WorldServer.createExplosion(WorldServer.java:1010) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.BlockBed.interact(SourceFile:59) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.PlayerInteractManager.interact(PlayerInteractManager.java:496) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.PlayerConnection.a(PlayerConnection.java:734) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_31]
    at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_31]
    at net.minecraft.server.v1_8_R2.SystemUtils.a(SourceFile:60) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:710) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [spigot.jar:git-Spigot-26dfd01-ad2f806]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_31]
Caused by: java.lang.NullPointerException
    at org.bukkit.event.entity.EntityEvent.getEntityType(EntityEvent.java:32) ~[spigot.jar:git-Spigot-26dfd01-ad2f806]
    at com.jcdesimp.landlord.landFlags.TntDamage.tntExplode(TntDamage.java:76) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_31]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_31]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_31]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_31]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot.jar:git-Spigot-26dfd01-ad2f806]
    ... 20 more