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You have no IP specified in your server.properties. Replace that IP with your servers IP and restart your MC server.
@Kraze^NFo> Juski has a very valid point
@Juski> Got my new signature, thanks!
@Kraze^NFo> Out of context!
@Juski> Doesn't matter!
@Juski> You said I had a valid point! You can't take it back now! It's out there!
I wouldn't expect it to but it never hurts to disable it.
What is your server IP?
Also what are the contents of your server.log file?
@Kraze^NFo> Juski has a very valid point
@Juski> Got my new signature, thanks!
@Kraze^NFo> Out of context!
@Juski> Doesn't matter!
@Juski> You said I had a valid point! You can't take it back now! It's out there!
If you're running this on a personal machine, or on a VDS with only one server, then it's not necessary to have the server-ip line filled out. It'll bind to every address, but nothing's already using it, so no big deal. The best thing to look at is the start of your server.log file.