2012-03-29 22:16:19 [INFO] Starting minecraft server version 1.2.4
2012-03-29 22:16:19 [INFO] Loading properties
2012-03-29 22:16:19 [INFO] Starting Minecraft server on 83.133.224.86:25565
2012-03-29 22:16:19 [INFO] This server is running CraftBukkit version git-Bukkit-1.2.4-R1.0-3-gf937f4e-b2127jnks (MC: 1.2.4) (Implementing API version 1.2.4-R1.1-SNAPSHOT)
2012-03-29 22:16:22 [SEVERE] Could not load 'plugins/WorldEdit.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:150)
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java

05)
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:207)
at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:183)
at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:53)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:156)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:41)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29)
at java.lang.ClassLoader.loadClass(ClassLoader.java

07)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java

20)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:242)
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:139)
... 8 more
2012-03-29 22:16:22 [SEVERE] Could not load 'plugins/WorldGuard.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:150)
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java

05)
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230)
at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:207)
at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:183)
at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:53)
at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:156)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)
Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:621)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:41)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:29)
at java.lang.ClassLoader.loadClass(ClassLoader.java

07)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java

20)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:242)
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:139)
... 8 more
2012-03-29 22:16:22 [INFO] Preparing level "world"
2012-03-29 22:16:22 [INFO] Default game type: 0
2012-03-29 22:16:22 [INFO] ----- Bukkit Auto Updater -----
2012-03-29 22:16:22 [INFO] It appears that you're running a Development Build, when you've specified in bukkit.yml that you prefer to run Recommended Builds.
2012-03-29 22:16:22 [INFO] If you would like to be kept informed about new Development Build releases, it is recommended that you change 'preferred-channel' in your bukkit.yml to 'dev'.
2012-03-29 22:16:22 [INFO] With that set, you will be told whenever a new version is available for download, so that you can always keep up to date and secure with the latest fixes.
2012-03-29 22:16:22 [INFO] If you would like to disable this warning, simply set 'suggest-channels' to false in bukkit.yml.
2012-03-29 22:16:22 [INFO] ----- ------------------- -----
2012-03-29 22:16:22 [INFO] Preparing start region for level 0 (Seed: -6051369716450192123)
2012-03-29 22:16:23 [INFO] Preparing start region for level 1 (Seed: -6051369716450192123)
2012-03-29 22:16:23 [INFO] Preparing spawn area: 0%
2012-03-29 22:16:24 [INFO] Preparing spawn area: 97%
2012-03-29 22:16:24 [INFO] Preparing start region for level 2 (Seed: -6051369716450192123)
2012-03-29 22:16:24 [INFO] Server permissions file permissions.yml is empty, ignoring it
2012-03-29 22:16:24 [INFO] Done (2.559s)! For help, type "help" or "?"