server network error help.

[Odioso OS]

I have check the common error

server network error

• mysql error [ ip | db | name | passwd ]
• AUTH problem [ wrong java path | wrong lib ]
• wrong hosts file [ wrong ip | missing services ]
• 343 says
  
  the wierd thing is that... it works for around 12-14 hours fine, players log etc. but after certain time. players can not log anymore, till i restart the server, and is being annoying for this past 2 days
  first i though was maybe a patch, but then i did backup.. and it still is happening
  anyone know how to fix?
  
  here the error log;
  

  
  

  • gamed: err : 1920 Session执行时间过长而超时 session classid115