I am new to Minecraft and am even newer to CraftBukkit. I have been able to successfully install the bukkit files into my server folder, but whenever I start the Craftbukkit server i get this. 182 recipes 27 achievements 10:19:44 [INFO] Starting minecraft server version 1.2.5 10:19:44 [INFO] Loading properties 10:19:44 [INFO] Starting Minecraft server on darkworld.com:2556 10:19:44 [WARNING] **** FAILED TO BIND PORT! 10:19:44 [WARNING] The exception was: java.net.Blindexception: Cannot assign requested address: JUM_Bind 10:19:44 [WARNING] Perhaps a server is already running on that port? > I've tried multiple other port numbers but it still doesn't work. please help.