2011-09-09 03:27:33 [INFO] Starting minecraft server version Beta 1.7.3
2011-09-09 03:27:33 [INFO] Loading properties
2011-09-09 03:27:33 [INFO] Starting Minecraft server on *:25565
2011-09-09 03:27:33 [INFO] This server is running Craftbukkit version git-Bukkit-0.0.0-980-g4ed23b1-b1060jnks (MC: 1.7.3)
2011-09-09 03:27:33 [SEVERE] Could not load 'plugins\CommandBook.jar' in folder 'plugins':
java.lang.NoClassDefFoundError: com/sk89q/minecraft/util/commands/CommandException
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Unknown Source)
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:168)
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:213)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:136)
	at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:143)
	at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:110)
	at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:51)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:133)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:337)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
Caused by: java.lang.ClassNotFoundException: com.sk89q.minecraft.util.commands.CommandException
	at java.net.URLClassLoader$1.run(Unknown Source)
	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:36)
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:24)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 11 more