``` Job for gluu-server-3.1.2.service failed because the control process exited with error code. See "systemctl status gluu-server-3.1.2.service" and "journalctl -xe" for details. I am getting this kind of error. I have checked error logs but I don't understand. Please help on this thanks. Logs: 1) gluu-status.txt ● gluu-server-3.1.2.service - LSB: This shell script takes care of starting and stopping Loaded: loaded (/etc/init.d/gluu-server-3.1.2; bad; vendor preset: enabled) Active: failed (Result: exit-code) since Thu 2018-03-01 06:38:25 UTC; 2min 28s ago Docs: man:systemd-sysv-generator(8) Process: 6220 ExecStart=/etc/init.d/gluu-server-3.1.2 start (code=exited, status=2) Mar 01 06:38:24 ec2-..-..-..-...ap.compute.amazonaws.com systemd[1]: Starting LSB: This shell script takes care of starting and stopping... Mar 01 06:38:25 ec2-..-..-..-...ap.compute.amazonaws.com gluu-server-3.1.2[6220]: Port address(es) :1389 Mar 01 06:38:25 ec2-..-..-..-...ap.compute.amazonaws.com gluu-server-3.1.2[6220]: :1689 already in use, Mar 01 06:38:25 ec2-..-..-..-...ap.compute.amazonaws.com gluu-server-3.1.2[6220]: Please stop the service(s) listening on one of :1389 Mar 01 06:38:25 ec2-..-..-..-...apcompute.amazonaws.com gluu-server-3.1.2[6220]: :1689 ports and execute /etc/init.d/gluu-server-3.1.2 start Mar 01 06:38:25 ec2-..-..-..-...ap2.compute.amazonaws.com systemd[1]: gluu-server-3.1.2.service: Control process exited, code=exited status=2 Mar 01 06:38:25 ec2-..-..-..-...ap.compute.amazonaws.com systemd[1]: Failed to start LSB: This shell script takes care of starting and stopping. Mar 01 06:38:25 ec2-..-..-..-...ap.compute.amazonaws.com systemd[1]: gluu-server-3.1.2.service: Unit entered failed state. Mar 01 06:38:25 ec2-..-..-..-...ap.compute.amazonaws.com systemd[1]: gluu-server-3.1.2.service: Failed with result 'exit-code'. ```