nginx virtual hosts + mongrel cluster +strange problem

[Luc Bernard]

hi all!

I have a dedicated host for my web application
I want to run 2 rails applications with the following adress

http://www.8ansapres.fr and
http://blog.8ansapres.fr

on my server applications have the following path
/home/alpaga/8ansapres.fr/current/
/home/alpaga/blog.8ansapres.fr/

my nginx.conf look like this

user alpaga;

worker_processes 4;

pid /var/run/nginx.pid;

events {
  worker_connections 8192;
  use epoll; # linux only!
}

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 /var/log/nginx/access.log    main;

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

  sendfile on;

  tcp_nopush         on;
  tcp_nodelay        on;

  gzip            on;
  gzip_http_version 1.0;
  gzip_comp_level 2;
  gzip_proxied any;
  gzip_types      text/plain text/html text/css application/x-javascript
                  text/xml application/xml application/xml+rss
text/javascript;

  include /etc/nginx/sites-enabled/*;
}


my first virtual host:

# Load balance to mongrels
upstream mongrel_cluster {
  server 127.0.0.1:8000;
  server 127.0.0.1:8001;
  server 127.0.0.1:8002;
}
# Begin virtual host configuration
server {
  # Familiar HTTP settings
  listen 80;
  server_name  www.8ansapres.fr;
  root /home/alpaga/8ansapres.fr/current/public;
  access_log /var/log/nginx/8ansapres.fr.access.log;
  error_page   500 502 503 504 /500.html;
  client_max_body_size 50M;
  # First rewrite rule for handling maintenance page
  if (-f $document_root/system/maintenance.html) {
    rewrite ^(.*)$ /system/maintenance.html last;
    break;
  }

  location / {
    index index.html index.htm;
    # Forward information about the client and host
    # Otherwise our Rails app wouldn't have access to it
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_max_temp_file_size 0;
    # Directly serve static content
    location ~ ^/(images|javascripts|stylesheets)/ {
      expires 10y;
    }
    if (-f $request_filename) {
      break;
    }
    # Directly serve cached pages
    if (-f $request_filename.html) {
      rewrite (.*) $1.html break;
    }
    # Otherwise let Mongrel handle the request
    if (!-f $request_filename) {
      proxy_pass http://mongrel_cluster;
      break;
    }
  }
}



my second virtual host:


# Load balance to mongrels
upstream mongrel_cluster_two {
  server 0.0.0.0:8000;
  server 0.0.0.0:8001;
  server 0.0.0.0:8002;
}
# Begin virtual host configuration
server {
  # Familiar HTTP settings
  listen 80;
  server_name  blog.8ansapres.fr;
  root /home/alpaga/blog.8ansapres.fr/public;
  access_log /var/log/nginx/blog.8ansapres.fr.access.log;
  error_page   500 502 503 504 /500.html;
  client_max_body_size 50M;
  # First rewrite rule for handling maintenance page
  if (-f $document_root/system/maintenance.html) {
    rewrite ^(.*)$ /system/maintenance.html last;
    break;
  }

  location / {
    index index.html index.htm;
    # Forward information about the client and host
    # Otherwise our Rails app wouldn't have access to it
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Host $http_host;
    proxy_max_temp_file_size 0;
    # Directly serve static content
    location ~ ^/(images|javascripts|stylesheets)/ {
      expires 10y;
    }
    if (-f $request_filename) {
      break;
    }
    # Directly serve cached pages
    if (-f $request_filename.html) {
      rewrite (.*) $1.html break;
    }
    # Otherwise let Mongrel handle the request
    if (!-f $request_filename) {
      proxy_pass http://mongrel_cluster_two;
      break;
    }
  }
}

my mongrel_cluster files

application 1

port: "8000"
pid_file: tmp/pids/mongrel.pid
servers: 3
cwd: /home/alpaga/8ansapres.fr/current/
log_file: log/mongrel.log
environment: production
address: 127.0.0.1
servers: 3
docroot: public

application 2

port: "8003"
pid_file: tmp/pids/mongrel.pid
servers: 3
cwd: /home/alpaga/blog.8ansapres.fr/
log_file: log/mongrel.log
environment: production

address: 0.0.0.0
servers: 3
docroot: public

the first application (8ansapres.fr) run very well but i can't access
the second one.
However, I can access the second application with
http://www.8ansapres.fr:8003/

I did many tests and it's seems I cant' access to
http://blog.8ansapres.fr/

I really don't know were I'am wrong

Do I have to add the subdomain with the registar or something like this
?

thank you very much for your help


the error.log is blank and in blog.8ansapres.fr.access.log i have :

80.96.123.27 - - [21/Nov/2008:22:55:06 +0100] "GET
/w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 173 "-" "-"
80.96.121.241 - - [21/Nov/2008:22:56:09 +0100] "GET
/w00tw00t.at.ISC.SANS.DFind:) HTTP/1.1" 400 173 "-" "-"
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