Server is open but it appears "Can't connect to the server"
Edit: LOGS
[20:32:20] [Server thread/INFO]: Starting minecraft server version 1.7.10
[20:35:58] [Server thread/INFO]: Loading properties
[20:35:58] [Server thread/INFO]: Default game type: SURVIVAL
[20:35:58] [Server thread/INFO]: Generating keypair
[20:35:59] [Server thread/INFO]: Starting Minecraft server on *:40769
[20:37:52] [Server thread/INFO]: Preparing level "world"
[20:38:38] [Server thread/INFO]: Preparing start region for level 0
[20:38:40] [Server thread/INFO]: Preparing spawn area: 0%
[20:38:41] [Server thread/INFO]: Preparing spawn area: 28%
[20:38:42] [Server thread/INFO]: Preparing spawn area: 46%
[20:38:43] [Server thread/INFO]: Done (51.368s)! For help, type "help" or "?"
[20:38:43] [Server thread/INFO]: Starting GS4 status listener
[20:38:43] [Query Listener #1/INFO]: Query running on 0.0.0.0:40769