I recently installed a Walls plugin (http://dev.bukkit.org/server-mods/the-walls-minigame/) and was able to successfully install it, and set up a game. However, when I restarted the plugin, I received this message: 2013-03-30 11:03:21 [SEVERE] Error occurred while enabling TheWalls v1.0.3 (Is it up to date?) java.lang.NullPointerException at rubik_cube_man.plugins.walls.Walls.LoadarenaConfig(Walls.java:136) at rubik_cube_man.plugins.walls.Walls.onEnable(Walls.java:93) at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217) at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:457) at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381) at org.bukkit.craftbukkit.v1_5_R1.CraftServer.loadPlugin(CraftServer.java:282) at org.bukkit.craftbukkit.v1_5_R1.CraftServer.enablePlugins(CraftServer.java:264) at net.minecraft.server.v1_5_R1.MinecraftServer.j(MinecraftServer.java:303) at net.minecraft.server.v1_5_R1.MinecraftServer.e(MinecraftServer.java:282) at net.minecraft.server.v1_5_R1.MinecraftServer.a(MinecraftServer.java:242) at net.minecraft.server.v1_5_R1.DedicatedServer.init(DedicatedServer.java:150) at net.minecraft.server.v1_5_R1.MinecraftServer.run(MinecraftServer.java:381) at net.minecraft.server.v1_5_R1.ThreadServerApplication.run(SourceFile:573) I didn't change the version of Bukkit I was using, or change anything that could affect this. Also, the plugin updated 9 days ago, so should be working fine. Any help would be great! Thanks.
Good point. It does say it works on 1.4.7. :/ But, I haven't seen any other complaints on the BukkitDev page, and it was working fine, before I restarted.