ServerShutdown

2012-03-29 13:48:43 [SEVERE] Error occurred while disabling Spout v1050 (Is it up to date?)
java.lang.IllegalAccessError: tried to access method org.apache.commons.io.FilenameUtils.isSystemWindows()Z from class org.apache.commons.io.FileUtils
	at org.apache.commons.io.FileUtils.isSymlink(FileUtils.java:2474)
	at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1330)
	at org.getspout.spout.player.SimpleFileManager.clearTempDirectory(SimpleFileManager.java:437)
	at org.getspout.spout.Spout.onDisable(Spout.java:147)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:362)
	at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:399)
	at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:392)
	at org.bukkit.craftbukkit.CraftServer.disablePlugins(CraftServer.java:245)
	at net.minecraft.server.MinecraftServer.stop(MinecraftServer.java:402)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)