Bukkit

(Error could be thrown since I am using latest Dev build)
Using:  This server is running CraftBukkit version git-Bukkit-1.2.4-R1.0-b2126jnks (MC: 1.2.4) (Implementing API version 1.2.4-R1.0)

On server startup:
20:26:34 [INFO] [MobDungeon] Enabling MobDungeon v1.1.4
20:26:34 [INFO] [MobDungeon] Failed reading class settings:
20:26:34 [SEVERE] java.lang.NullPointerException
20:26:34 [SEVERE]       at de.kumpelblase2.mobdungeon.Settings.Settings.loadClas
ses(Settings.java:309)
20:26:34 [SEVERE]       at de.kumpelblase2.mobdungeon.Settings.Settings.loadAll(
Settings.java:459)
20:26:34 [SEVERE]       at de.kumpelblase2.mobdungeon.MobDungeonMain.onEnable(Mo
bDungeonMain.java:52)
20:26:34 [SEVERE]       at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlug
in.java:215)
20:26:34 [SEVERE]       at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(
JavaPluginLoader.java:336)
20:26:34 [SEVERE]       at org.bukkit.plugin.SimplePluginManager.enablePlugin(Si
mplePluginManager.java:381)
20:26:34 [SEVERE]       at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftSe
rver.java:250)
20:26:34 [SEVERE]       at org.bukkit.craftbukkit.CraftServer.enablePlugins(Craf
tServer.java:232)
20:26:34 [SEVERE]       at net.minecraft.server.MinecraftServer.t(MinecraftServe
r.java:374)
20:26:34 [SEVERE]       at net.minecraft.server.MinecraftServer.a(MinecraftServe
r.java:361)
20:26:34 [SEVERE]       at net.minecraft.server.MinecraftServer.init(MinecraftSe
rver.java:187)
20:26:34 [SEVERE]       at net.minecraft.server.MinecraftServer.run(MinecraftSer
ver.java:425)
20:26:34 [SEVERE]       at net.minecraft.server.ThreadServerApplication.run(Sour
ceFile:490)
20:26:34 [INFO] [MobDungeon] Loaded 0 Classes.
20:26:34 [INFO] [MobDungeon] Loaded 2 Waves.
20:26:34 [INFO] [MobDungeon] Loaded 2 Levels.
20:26:34 [INFO] [MobDungeon] Loaded 1 Dungeons.
20:26:34 [INFO] [MobDungeon] Loaded 0 Signs.
20:26:34 [INFO] [MobDungeon] Loaded 3 Abilities.
20:26:34 [INFO] [MobDungeon] Loaded 1 Bosses.
20:26:34 [INFO] [MobDungeon] Economy system found: BOSEconomy.
20:26:34 [INFO] [MobDungeon]   -Enabled- Running version 1.1.4 made by [kumpelbl
ase2, lordfyre, stelar7]

looks like a config problem, could you share your class settings?

<<reply 619216>>

Its just the default class.yml that is created on startup.

classes:
    class1:
        items:
        - "283"
        - "320:3"
        armor:
        - 306
        - 307
        - 308
        - 309

    class2:
        items:
        - "261"
        - "262:64"
        - "320:2"
        armor:
        - 310
        - 311
        - 312
        - 313