[Code]Perma Ban

[AdamantGame]

Hello, this code: http://pastebin.com/gFUrqZPY maded by AbsolutePower have 1 problem.
 
//removeperma doesnt working, dont remove perma banned ip from ips.txt, whats wrong?
 
edited:
 
i use first //permaban after this //removeperma, in ips.txt still my ip and name is, after server restart same, all things is in ips.txt, BUT then i try to join now i get error and kick:

Client: [Character: Adminas - Account: slavkute - IP: 192.168.0.47] - Failed rea
ding: [C] EnterWorld ; null
null
Could not store char base data: java.sql.SQLException: An SQLException was provo
ked by the following failure: java.lang.InterruptedException