Name or service not known: mod_unique_id: unable to find IPv4 address of "-" Configuration Failed

Name or service not known: mod_unique_id: unable to find IPv4 address of "-" Configuration Failed

root@- [~]# /etc/init.d/httpd restart

httpd not running, trying to start

root@- [~]# tail -f /usr/local/apache/logs/error_log

[Tue Jan 12 20:19:33 2016] [alert] (EAI 2)Name or service not known: mod_unique_id: unable to find IPv4 address of "-"

Configuration Failed

[Tue Jan 12 20:21:52 2016] [alert] (EAI 2)Name or service not known: mod_unique_id: unable to find IPv4 address of "-"

Configuration Failed

I have checked the Apache configuration syntax file and it was fine.

 

root@- [~]# httpd -t

Syntax OK

checking the file “/etc/hosts” the server hostname was incorrect. After correcting the Apache service was working fine.