Rails - Sep 2007 - Nginx-Mongrel almost working; just need a little help

Hello Rails experts. I''m trying to set up Nginx with Mongrel cluster
for
my Rails app. I got Nginx and Mongrel cluster to each work. I got Nginx
to serve static files no problem. It displays the Rails intro page, for
example.

And I got Mongrel cluster to run, and when I check each of the nodes
individually it is serving the dynamic Rails pages as expected.

However, when I start them both and then try to access my app, I get the
error "Bad Gateway".

In the Nginx error log I find each attempt produces three entries like
this...

   1. 2007/09/18 06:53:13 [error] 156690: *1 connect() failed (111:
Connection refused) while reading response header from upstream, client:
24.143.132.67, server: www.joehost.com, URL: "/journal", upstream:
"http://127.0.0.1:3000/journal", host: "joehost.com"
   2. 2007/09/18 06:53:13 [error] 156690: *1 connect() failed (111:
Connection refused) while reading response header from upstream, client:
24.143.132.67, server: www.joehost.com, URL: "/journal", upstream:
"http://127.0.0.1:3001/journal", host: "joehost.com"
   3. 2007/09/18 06:53:13 [error] 156690: *1 connect() failed (111:
Connection refused) while reading response header from upstream, client:
24.143.132.67, server: www.joehost.com, URL: "/journal", upstream:
"http://127.0.0.1:3002/journal", host: "joehost.com"

My Nginx config file contains...

 upstream mongrel {
     server 127.0.0.1:3000;
     server 127.0.0.1:3001;
     server 127.0.0.1:3002;
   }

   server {
     listen 80;

     client_max_body_size 1M;

     server_name joehost.com;

     root /home/joe/www/public;

     access_log  logs/nginx.joe.access.log  main;

     if (-f $document_root/system/maintenance.html) {
       rewrite  ^(.*)$  /system/maintenance.html last;
       break;
     }

     location / {
       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_redirect false;
       proxy_max_temp_file_size 0;

       if (-f $request_filename) {
         break;
       }

       if (-f $request_filename/index.html) {
         rewrite (.*) $1/index.html break;
       }

       if (-f $request_filename.html) {
         rewrite (.*) $1.html break;
       }

       if (!-f $request_filename) {
         proxy_pass http://mongrel;
         break;
       }
     }

Any help would be greatly appreciated.
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your config looks copy right off from http://brainspl.at/nginx.conf.txt
, seems fine.

try "server_name joehost.com www.joehost.com"

there''s also a nginx config generator
"gem install nginx_config_generator"


below is mine,
        upstream groups {
               ip_hash;
               server localhost:3000;
               server localhost:3001;
        }
        server {
                listen          80;
                server_name     groups.wuyasea.com;

                access_log      /u/apps/groups/current/log/access_log
main;
                error_log       /u/apps/groups/current/log/error_log
info;

                root /u/apps/groups/current/public;

                location / {
                  # needed to forward user''s IP address to rails
                  proxy_set_header  X-Real-IP  $remote_addr;

                  # needed for HTTPS
                  proxy_set_header  X-Forwarded-For
$proxy_add_x_forwarded_for;
                  proxy_set_header Host $http_host;
                  proxy_redirect false;
                  proxy_max_temp_file_size 0;


                  if (!-f $request_filename) {
                    proxy_pass http://groups;
                    break;
                  }
                }
        }

Dorren
http://groups.wuyasea.com/group/nginx



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Dorren wrote:
> your config looks copy right off from http://brainspl.at/nginx.conf.txt
> , seems fine.
Thanks for the reply. Yes, it''s adapted from that config file.
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