Сайты на 1 ip nginx_apache

Пытаюсь повесить на 1 ip несколько сайтов, работает связка nginx+apache+xcache+php5.2.10 с конфигом, приведенным ниже работаю 1 и 4 сайта, 2 и 3-й отдают 502, логи пустые, подскажите куда смотреть

       

 <VirtualHost 127.0.0.1:8080>

            ServerName sait1.ru

            ServerAlias www.sait1.ru

            DocumentRoot "/var/www/sait1"

            ErrorLog logs/error_log3

         </VirtualHost>



        <VirtualHost 127.0.0.1:8081>

            ServerName sait2.ru

            ServerAlias www.sait2.ru

            DocumentRoot "/var/www/sait2"

            ErrorLog logs/error2_log

         </VirtualHost>



        <VirtualHost 127.0.0.1:8002>

            ServerName sait4.ru

            ServerAlias www.sait4.ru

            DocumentRoot "/var/www/sait4"

            ErrorLog logs/error4_log

         </VirtualHost>



        <VirtualHost 127.0.0.1:8001>

            ServerName sait3.ru

            ServerAlias www.sait3.ru

            DocumentRoot "/var/www/sait3"

            ErrorLog logs/error5_log

         </VirtualHost>   

user  nginx;

worker_processes  10;

worker_rlimit_nofile 1000;

worker_priority 5;



#error_log   /var/log/nginx/error.log;

#error_log  /var/log/nginx/error.log  notice;

#error_log  /var/log/nginx/error.log  info;



pid        /var/run/nginx.pid;





events {

    worker_connections  1024;

    use epoll;

}





http {

    include       /etc/nginx/mime.types;

    default_type  application/octet-stream;



    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '

                      '$status $body_bytes_sent "$http_referer" '

                      '"$http_user_agent" "$http_x_forwarded_for"';



    access_log off;

    sendfile        on;

    tcp_nopush      on;

    tcp_nodelay     on;

    server_tokens   off;

    gzip            on;

    gzip_types   	  text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript image/x-icon;

    gzip_static     on;

    gzip_buffers  4 32k;

    gzip_min_length 1024;

    keepalive_timeout  0;



  ignore_invalid_headers on;

  client_header_timeout  1m;

  client_body_timeout 1m;

  send_timeout     1m;

  connection_pool_size  1024;

  client_header_buffer_size 4k;

  large_client_header_buffers 4 32k;

  request_pool_size  4k;

  output_buffers   4 32k;

  postpone_output  1460;



    #limit_zone   myzone  $binary_remote_addr  10m;



    # Load config files from the /etc/nginx/conf.d directory

    include /etc/nginx/conf.d/*.conf;



	server {

 	   server_name www.sait1.ru;

 	   rewrite ^(.*)$ http://sait1.ru$1 permanent;

	}



    server {

      #  limit_conn   myzone  1000;

        listen       80;

        server_name  sait1.ru;



                location ~ /\.ht {

                        deny  all;

                }



         location ~* \.(jpg|jpeg|gif|png|ico|css|bmp|swf|js)$ {

                        root /var/www/sait1;

                        expires      10d;

	 }



                location / {

                        proxy_pass http://127.0.0.1:8080/;

                        proxy_set_header Host $host;

                        proxy_set_header X-Real-IP $remote_addr;

                        proxy_set_header X-Forwarded-For $remote_addr;

       

                        proxy_connect_timeout 120;

                        proxy_send_timeout    120;

                        proxy_read_timeout    180;

                }

        }

        

     server {

      #  limit_conn   myzone  1000;

        listen       80;

        server_name  sait4.ru www.sait4.ru;



                location ~ /\.ht {

                        deny  all;

                }

                

         location ~* \.(jpg|jpeg|gif|png|ico|css|bmp|swf|js)$ {

                        root /var/www/sait4;

                        expires      10d;

	 }



                location / {

                        proxy_pass http://127.0.0.1:8002/;

                        proxy_set_header Host $host;

                        proxy_set_header X-Real-IP $remote_addr;

                        proxy_set_header X-Forwarded-For $remote_addr;

       

                        proxy_connect_timeout 120;

                        proxy_send_timeout    120;

                        proxy_read_timeout    180;

                }

        }

      server {

      #  limit_conn   myzone  1000;

        listen       80;

        server_name  sait3.ru www.sait3.ru;



                location ~ /\.ht {

                        deny  all;

                }



         location ~* \.(jpg|jpeg|gif|png|ico|css|bmp|swf|js)$ {

                        root /var/www/sait3;

                        expires      10d;

	 }



                location / {

                        proxy_pass http://127.0.0.1:8001/;

                        proxy_set_header Host $host;

                        proxy_set_header X-Real-IP $remote_addr;

                        proxy_set_header X-Forwarded-For $remote_addr;

       

                        proxy_connect_timeout 120;

                        proxy_send_timeout    120;

                        proxy_read_timeout    180;

                }

        }

                             

       server {

      #  limit_conn   myzone  1000;

        listen       80;

        server_name  sait2.ru www.sait2.ru;



                location ~ /\.ht {

                        deny  all;

                }



         location ~* \.(jpg|jpeg|gif|png|ico|css|bmp|swf|js)$ {

                        root /var/www/sait2;

                        expires      10d;

	 }



                location / {

                        proxy_pass http://127.0.0.1:8081/;

                        proxy_set_header Host $host;

                        proxy_set_header X-Real-IP $remote_addr;

                        proxy_set_header X-Forwarded-For $remote_addr;

       

                        proxy_connect_timeout 120;

                        proxy_send_timeout    120;

                        proxy_read_timeout    180;

                }

        }     

  }