2012-02-14 16:32:10 [INFO] Starting minecraft server version 1.1
2012-02-14 16:32:10 [INFO] Loading properties
2012-02-14 16:32:10 [INFO] Starting Minecraft server on *:25565
2012-02-14 16:32:11 [INFO] This server is running CraftBukkit version git-Bukkit-1.1-R4-2-g6076dfe-b1940jnks (MC: 1.1) (Implementing API version 1.1-R5-SNAPSHOT)
2012-02-14 16:32:11 [SEVERE] Could not save bukkit.yml
java.io.FileNotFoundException: bukkit.yml (Permission denied)
	at java.io.FileOutputStream.open(Native Method)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
	at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
	at java.io.FileWriter.<init>(FileWriter.java:73)
	at org.bukkit.configuration.file.FileConfiguration.save(FileConfiguration.java:56)
	at org.bukkit.craftbukkit.CraftServer.saveConfig(CraftServer.java:152)
	at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:137)
	at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:52)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:148)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:408)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
2012-02-14 16:32:11 [INFO] Preparing level "world"
2012-02-14 16:32:11 [INFO] Default game type: 0
2012-02-14 16:32:11 [SEVERE] java.io.FileNotFoundException: ./world_nether/session.lock (Permission denied)
2012-02-14 16:32:11 [SEVERE] 	at java.io.FileOutputStream.open(Native Method)
2012-02-14 16:32:11 [SEVERE] 	at java.io.FileOutputStream.<init>(FileOutputStream.java:194)
2012-02-14 16:32:11 [SEVERE] 	at java.io.FileOutputStream.<init>(FileOutputStream.java:145)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.WorldNBTStorage.f(WorldNBTStorage.java:44)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.WorldNBTStorage.<init>(WorldNBTStorage.java:38)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.ServerNBTManager.<init>(SourceFile:18)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:281)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:175)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:408)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
2012-02-14 16:32:11 [SEVERE] java.lang.RuntimeException: Failed to check session lock, aborting
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.WorldNBTStorage.f(WorldNBTStorage.java:53)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.WorldNBTStorage.<init>(WorldNBTStorage.java:38)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.ServerNBTManager.<init>(SourceFile:18)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:281)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:175)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:408)
2012-02-14 16:32:11 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)
2012-02-14 16:32:11 [SEVERE] Unexpected exception
java.lang.RuntimeException: Failed to check session lock, aborting
	at net.minecraft.server.WorldNBTStorage.f(WorldNBTStorage.java:53)
	at net.minecraft.server.WorldNBTStorage.<init>(WorldNBTStorage.java:38)
	at net.minecraft.server.ServerNBTManager.<init>(SourceFile:18)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:281)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:175)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:408)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:465)