server.log

2011-07-22 10:14:11 [INFO] A GiftPost command threw an exception!
2011-07-22 10:14:11 [SEVERE] java.lang.NullPointerException: value
2011-07-22 10:14:11 [SEVERE] 	at com.google.common.collect.CustomConcurrentHashMap$Impl.put(CustomConcurrentHashMap.java:1435)
2011-07-22 10:14:11 [SEVERE] 	at com.Balor.bukkit.GiftPost.GiftPostWorker.getDefaultChest(GiftPostWorker.java:257)
2011-07-22 10:14:11 [SEVERE] 	at com.Balor.commands.Chest.execute(Chest.java:46)
2011-07-22 10:14:11 [SEVERE] 	at com.Balor.bukkit.GiftPost.GiftPost.onCommand(GiftPost.java:257)
2011-07-22 10:14:11 [SEVERE] 	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:35)
2011-07-22 10:14:11 [SEVERE] 	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:129)
2011-07-22 10:14:11 [SEVERE] 	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:320)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:713)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:677)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:670)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:85)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.NetworkListenThread.a(SourceFile:105)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:451)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361)
2011-07-22 10:14:11 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)