wenn ich mein Plugin auf den Server laden und ihn starte kommt diese Fehlermeldung.
Code:
2013-01-14 16:43:13 [SEVERE] Could not load 'plugins/witzcraftJOIN.jar' in folder 'plugins' org.bukkit.plugin.InvalidPluginException: java.lang.UnsupportedClassVersionError: de/sandor/witzcraft/witzcraft : Unsupported major.minor version 51.0 at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:184) at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:305) at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:230) at org.bukkit.craftbukkit.v1_4_6.CraftServer.loadPlugins(CraftServer.java:239) at org.bukkit.craftbukkit.v1_4_6.CraftServer.reload(CraftServer.java:591) at org.bukkit.Bukkit.reload(Bukkit.java:184) at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:23) at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:186) at org.bukkit.craftbukkit.v1_4_6.CraftServer.dispatchCommand(CraftServer.java:514) at org.bukkit.craftbukkit.v1_4_6.CraftServer.dispatchServerCommand(CraftServer.java:506) at net.minecraft.server.v1_4_6.DedicatedServer.al(DedicatedServer.java:260) at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:225) at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:494) at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:427) at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849) Caused by: java.lang.UnsupportedClassVersionError: de/sandor/witzcraft/witzcraft : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631) at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58) at java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:80) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:247) at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:173) ... 14 more






