2011-02-17 19:09:04 [INFO] Starting minecraft server version Beta 1.2_01
2011-02-17 19:09:04 [INFO] Loading properties
2011-02-17 19:09:04 [INFO] Starting Minecraft server on 10.0.0.6:25567
2011-02-17 19:09:04 [INFO] Preparing level "world"
2011-02-17 19:09:04 [INFO] Preparing start region
Preparing spawn area: 32%
Preparing spawn area: 60%
Preparing spawn area: 77%
Preparing spawn area: 97%
[ArrowTurrets] Config loaded!
2011-02-17 19:09:09 [INFO] [Permissions] version [2.0] (Handler) loaded
Arrow turrets v1.2.0 (Krathlak) initialized!
Feb 17, 2011 7:09:09 PM org.bukkit.craftbukkit.CraftServer loadPlugins
SEVERE: net/minecraft/server/EntityHuman (Is it up to date?)
java.lang.NoClassDefFoundError: net/minecraft/server/EntityHuman
        at com.earth2me.essentials.Essentials.onEnable(Essentials.java:146)
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:135)
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader
.java:285)
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManage
r.java:175)
        at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:60)
        at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:45)
        at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:153)
        at net.minecraft.server.MinecraftServer.c(MinecraftServer.java:140)
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:104)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:177)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:512)
Caused by: java.lang.ClassNotFoundException: net.minecraft.server.EntityHuman
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.
java:29)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        ... 11 more
2011-02-17 19:09:09 [INFO] Done! For help, type "help" or "?"