2012-03-02 [INFO] Starting minecraft server version 1.1
2012-03-02 [INFO] Loading properties
2012-03-02 [INFO] Starting Minecraft server on *:25565
2012-03-02 [INFO] This server is running CraftBukkit version git-Bukkit-1.1-R6-b1988jnks (MC: 1.1) (Implementing API version 1.1-R6)
2012-03-02 [SEVERE] java.lang.NullPointerException: null value
2012-03-02 [SEVERE] 	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:204)
2012-03-02 [SEVERE] 	at com.google.common.collect.ImmutableMap.entryOf(ImmutableMap.java:139)
2012-03-02 [SEVERE] 	at com.google.common.collect.ImmutableMap$Builder.put(ImmutableMap.java:178)
2012-03-02 [SEVERE] 	at org.bukkit.plugin.PluginDescriptionFile.loadMap(PluginDescriptionFile.java:214)
2012-03-02 [SEVERE] 	at org.bukkit.plugin.PluginDescriptionFile.<init>(PluginDescriptionFile.java:40)
2012-03-02 [SEVERE] 	at org.bukkit.plugin.java.JavaPluginLoader.getPluginDescription(JavaPluginLoader.java:198)
2012-03-02 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:132)
2012-03-02 [SEVERE] 	at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:206)
2012-03-02 [SEVERE] 	at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:182)
2012-03-02 [SEVERE] 	at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:53)
2012-03-02 [SEVERE] 	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:147)
2012-03-02 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:407)
2012-03-02 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
2012-03-02 [SEVERE] Unexpected exception