This error normally happen if you are using dedicated IPs with some sites. The error will be look like bellow:
2013/11/29 10:06:16 [warn] 727379#0: conflicting server name "1.1.1.1" on 1.1.1.1:80, ignored
2013/11/29 10:06:16 [warn] 727379#0: conflicting server name "1.1.1.1" on 1.1.1.1:80, ignored
2013/11/29 10:06:16 [warn] 727379#0: conflicting server name "1.1.1.1" on 1.1.1.1:80, ignored
2013/11/29 10:06:16 [warn] 727379#0: conflicting server name "1.1.1.1" on 1.1.1.1:80, ignored
Solution:
cd /etc/nginx/vhosts
perl -pi -w -e 's/server_name(.*) IP here/server_name$1/g;' *
/etc/init.d/httpd restart
For example:
cd /etc/nginx/vhosts
perl -pi -w -e 's/server_name(.*) 1.1.1.1/server_name$1/g;' *
/etc/init.d/httpd restart
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