Bukkit

-first file

sometimes this error shows: 12:11:08 [SEVERE] Could not load 'plugins\GriefLoggerv0.1.jar' in folder 'plugin s' org.bukkit.plugin.InvalidPluginException: java.lang.ClassNotFoundException: com. landsofgrandmas.dev.GriefLogger.GriefLogger at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j ava:151) at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager. java:305) at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager .java:230) at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:213) at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:189) at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigur ationManager.java:53) at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:166) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432) at net.minecraft.server.ThreadServerApplication.run(SourceFile:492) Caused by: java.lang.ClassNotFoundException: com.landsofgrandmas.dev.GriefLogger .GriefLogger 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:41) at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader. java:29) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.j ava:140) ... 8 more