error too many redirect on nginx ?

My site have just install SSL but SSL not work. If I type latena.vn, the site accessible normally but I type https://latena.vn my site unaccessible and receive a error too many redirect I run command nginx -t and receive a warning nginx: [warn] conflicting server name “latena.vn” on 0.0.0.0:80, ignored nginx: [warn] conflicting server name “latena.vn” on 0.0.0.0:443, ignored nginx: the configuration file /etc/nginx/nginx.conf syntax is ok nginx: configuration file /etc/nginx/nginx.conf test is successful I checked dns server and don’t have any redirect This is my domain configuration: server { listen 80; server_name latena.vn; root /var/www/latena.vn/htdocs; index index.php index.html index.htm; include common/php-hhvm.conf;
include common/locations.conf; include /var/www/latena.vn/conf/nginx/*.conf; }

server { listen 443 ssl spdy; server_name latena.vn; ssl_certificate /etc/nginx/ssl/latenavn_chain.crt; ssl_certificate_key /etc/nginx/ssl/latena_vn.key; ssl_session_cache shared:SSL:20m; ssl_session_timeout 10m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; ssl_prefer_server_ciphers on; ssl_ciphers “EECDH+ECDSA+AESGCM EECDH+aRSA+AESGCM EECDH+ECDSA+SHA384 EECDH+ECDSA+SHA256 EECDH+aRSA+SHA384 EECDH+aRSA+SHA256 EECDH+aRSA+RC4 EECDH EDH+aRSA !RC4 !aNULL !eNULL !LOW !3DES !MD5 !EXP !PSK !SRP !DSS”; ssl_buffer_size 8k; ssl_stapling on; ssl_stapling_verify on; ssl_trusted_certificate /etc/nginx/ssl/latenavn_chain.crt; resolver 208.67.222.222 208.67.220.220 8.8.8.8 8.8.4.4; ssl_dhparam /etc/nginx/ssl/dhparam.pem; root /var/www/latena.vn/htdocs; index index.php index.html index.htm; include common/php-hhvm.conf;
include common/locations.conf; include /var/www/latena.vn/conf/nginx/*.conf; add_header Strict-Transport-Security “max-age=31536000”; } Please help me resolve this error Thankyou