2013-05-24 04:26:56 [SEVERE] Could not load 'plugins/HealthBar.jar' in folder 'plugins'
org.bukkit.plugin.InvalidPluginException: java.lang.NoClassDefFoundError: org/bukkit/event/player/PlayerListener
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:182)
at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:307)
at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:231)
at org.bukkit.craftbukkit.v1_5_R3.CraftServer.loadPlugins(CraftServer.java:262)
at org.bukkit.craftbukkit.v1_5_R3.CraftServer.<init>(CraftServer.java:240)
at net.minecraft.server.v1_5_R3.PlayerList.<init>(PlayerList.java:55)
at net.minecraft.server.v1_5_R3.DedicatedPlayerList.<init>(SourceFile:11)
at net.minecraft.server.v1_5_R3.DedicatedServer.init(DedicatedServer.java:58)
at net.minecraft.server.v1_5_R3.MinecraftServer.run(MinecraftServer.java:388)
at net.minecraft.server.v1_5_R3.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NoClassDefFoundError: org/bukkit/event/player/PlayerListener
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
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.findClass0(PluginClassLoader.java:87)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at me.plornt.healthbar.HealthBar.<init>(HealthBar.java:27)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:178)
... 9 more
Caused by: java.lang.ClassNotFoundException: org.bukkit.event.player.PlayerListener
at org.bukkit.plugin.java.PluginClassLoader.findClass0(PluginClassLoader.java:70)
at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:53)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 28 more