Metin2 "Socket Bind Failed" Error Solution
When you start the Metin2 PVP servers, the channels (CH) do not open, the entrances to the game remain closed and the syserr.txt files in the core directories are deleted. "SocketBindBind: bind: Address already in use" or "SYSTEM_CMD: socket_bind: Fail" If you see warnings, your server is experiencing a port conflict. In this guide, you will learn the causes and exact solutions to this problem.
1. What is the Root Cause of the Problem?
Each game channel (Auth, CH1, CH2, Game99, etc.) occupies a specific port number (Ex: 13000, 13001) on the FreeBSD operating system in order to accept external player connections. If your game files try to reopen a port that is **already open and used** in the system, it will give a "Socket Bind Failed" error and that channel will close itself.
Method 2: Closing MySQL or Game Processes in the Background
The most common cause of this error is restarting the server repeatedly without shutting it down completely. The new start command gives an error because old game processes running in the background do not close the ports. For the solution:
- Connect to the Putty terminal and type the following command to list all game processes active in the background:
ps ax | grep game - If you still see running game channels in the list, terminate them completely with a single command:
killall -9 gameorkillall -9 db - After making sure that the processes are completely closed, try starting the game again.
Method 3: Fixing Port Conflicts in CONFIG Files
If you receive this error at the first start even after a clean reboot to the server, the port numbers in your files conflict with each other:
- Connect to your server with Filezilla
/usr/game/cores/Go to directory. - respectively
auth,channel1,channel2andgame99in folders CONFIG Open the files one by one. - in each file PORT Check the value. For example; If the Auth port is 13000, Channel1 port should be 13010, Channel2 port should be 13020.
- Make sure that the **same port number** is not written in the CONFIG file in two different folders. If the same, give it a unique port number and save the file.
Method 4: Detecting the Application Using the Conflicting Limit and Port
Apart from your game files, an external script, web panel or protection software (Guard) you have installed on the server may be occupying your game port. To find out which application is using the port:
- List the active ports and services by running the following command in the Putty terminal:
sockstat -4 -l - In the list that appears, find the unopened port number of your game and examine the name of the application (Process ID / Name) on the left. You can fix the problem by stopping the conflicting external service.
This article is specially prepared for PvPServer.
