Address already in use: make_sock: could not bind to address [::]:8090

Address already in use: make_sock: could not bind to address [::]:8090

I got the following error when i start the second apache. I have configured two instances of apche the firest one is started but the second one is not....

 #  /usr/sbin/httpd -f /etc/httpd/conf/httpd2.conf -k start
httpd: Could not reliably determine the server' s fully qualified domain name, using localhost.localdomain for ServerName
(98)Address already in use: make_sock: could not bind to address [::]:8090
(98)Address already in use: make_sock: could not bind to address 0.0.0.0:8090
no listening sockets available, shutting down
Unable to open logs

Linux dnscmd