[root@metroville minecraft]# java -Xms384M -Xmx384M -jar craftbukkit.jar nogui
195 recipes
27 achievements
>20:18:06 [WARNING] Failed to log to server.log
java.lang.StringIndexOutOfBoundsException: String index out of range: 0
   at java.lang.String.charAt(libgcj.so.10)
   at java.io.File.getParent(libgcj.so.10)
   at java.io.File.mkdirs(libgcj.so.10)
   at java.io.File.mkdirs(libgcj.so.10)
   at net.minecraft.server.ConsoleLogManager.init(ConsoleLogManager.java:86)
erver.init(DedicatedServer.java:43)dS
   at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:378)
   at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
20:18:06 [INFO] Starting minecraft server version 1.3.1
20:18:06 [INFO] Loading properties
20:18:06 [INFO] Default game type: SURVIVAL
20:18:06 [INFO] Generating keypair
20:18:06 [INFO] Starting Minecraft server on *:25565
20:18:06 [WARNING] **** FAILED TO BIND TO PORT!
20:18:06 [WARNING] The exception was: java.lang.NoSuchMethodError: method java.net.ServerSocket.setPerformancePreferences with signature (III)V was not found.
20:18:06 [WARNING] Perhaps a server is already running on that port?
>stop
>20:18:25 [SEVERE] java.lang.NullPointerException
   at net.minecraft.server.DedicatedServer.ah(DedicatedServer.java:244)
   at net.minecraft.server.DedicatedServer.a(DedicatedServer.java:192)
t.minecraft.server.MinecraftServer.run(MinecraftServer.java:413)
   at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)

>20:18:25 [SEVERE] Encountered an unexpected exception NullPointerException
java.lang.NullPointerException
   at net.minecraft.server.DedicatedServer.ah(DedicatedServer.java:244)
rver.DedicatedServer.a(DedicatedServer.java:192)
   at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:413)
   at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
20:18:25 [SEVERE] This crash report has been