nginx load balancing

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Juan Angulo Moreno

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Mar 4, 2012, 12:11:13 AM3/4/12
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Hi,

I try configure nginx load balancing with 3 nodes but never show
images or ccs style from nodes and always obtain this error:

2012/03/03 22:36:43 [error] 11321#0: *7 open()
"/usr/local/nginx/html/melchor.jpg" failed (2: No such file or
directory), client: 181.XX.XX.XX, server: edge.lb.tld, request: "GET
/melchor.jpg HTTP/1.1", host: "edge.lb.tld", referrer:
"http://edge.lb.tld/"
2012/03/03 22:38:16 [error] 11321#0: *19 open()
"/usr/local/nginx/html/css/style.css" failed (2: No such file or
directory), client: 200.XX.XX.XX, server: edge.lb.tld, request: "GET
/css/style.css HTTP/1.1", host: "edge.lb.tld", referrer:
"http://edge.lb.tld/"

This is my vhost config:

upstream edge {
server 72.XX.XX.XX:80;
server 216.XX.XX.XX:80;
server 184.XX.XX.XX:80;
}

server {
server_name edge.lb.tld;

error_log /var/log/nginx/EDGE.error_log warn;

location / {
proxy_set_header Host $http_host;
proxy_pass http://edge;
}
}

Thanks you!

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Edho Arief

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Mar 4, 2012, 12:14:31 AM3/4/12
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2012/3/4 Juan Angulo Moreno <apos...@gmail.com>:

> Hi,
>
> I try configure nginx load balancing with 3 nodes but never show
> images or ccs style from nodes and always obtain this error:
>
> 2012/03/03 22:36:43 [error] 11321#0: *7 open()
> "/usr/local/nginx/html/melchor.jpg" failed (2: No such file or
> directory), client: 181.XX.XX.XX, server: edge.lb.tld, request: "GET
> /melchor.jpg HTTP/1.1", host: "edge.lb.tld", referrer:
> "http://edge.lb.tld/"
> 2012/03/03 22:38:16 [error] 11321#0: *19 open()
> "/usr/local/nginx/html/css/style.css" failed (2: No such file or
> directory), client: 200.XX.XX.XX, server: edge.lb.tld, request: "GET
> /css/style.css HTTP/1.1", host: "edge.lb.tld", referrer:
> "http://edge.lb.tld/"
>

If this is the load balancer's error log, seems like the config hasn't
been reloaded. Try `pkill -HUP nginx`.

Juan Angulo Moreno

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Mar 4, 2012, 12:40:31 AM3/4/12
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Hi Edho,

I ran the command you suggested but still does not show the images and ccs.

thanks

--
Juan A. Moreno
http://apostols.net
Fingerprint GPG: 0FEE E0BF 2904 FE77 1682 2171 C842 DBF1 34BC CD04

Edho Arief

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Mar 4, 2012, 12:41:45 AM3/4/12
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2012/3/4 Juan Angulo Moreno <apos...@gmail.com>:
> Hi Edho,
>
> I ran the command you suggested but still does not show the images and ccs.
>

Still the same error?

Juan Angulo Moreno

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Mar 4, 2012, 12:43:19 AM3/4/12
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now not show erros but dont show the images and ccs files.

--

Juan A. Moreno
http://apostols.net
Fingerprint GPG: 0FEE E0BF 2904 FE77 1682 2171 C842 DBF1 34BC CD04

_______________________________________________

Edho Arief

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Mar 4, 2012, 12:56:02 AM3/4/12
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2012/3/4 Juan Angulo Moreno <apos...@gmail.com>:
> now not show erros but dont show the images and ccs files.
>

Check the access log.

Valentin V. Bartenev

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Mar 4, 2012, 9:04:17 AM3/4/12
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On Sunday 04 March 2012 09:43:19 Juan Angulo Moreno wrote:
> now not show erros but dont show the images and ccs files.
>

Do you clear your browser cache?

wbr, Valentin V. Bartenev

Juan Angulo Moreno

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Mar 4, 2012, 9:08:18 AM3/4/12
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181.17.XX.XX - - [04/Mar/2012:09:32:53 -0430] "GET /css/style.css
HTTP/1.1" 200 3870 "http://edge.lb.tld" "Mozilla/5.0 (Macintosh; Intel
Mac OS X 10_7_3) AppleWebKit/535.11 (KHTML, like Gecko)
Chrome/17.0.963.56 Safari/535.11"
181.17.XX.XX - - [04/Mar/2012:09:34:09 -0430] "GET
/img/common/logo.gif HTTP/1.1" 404 257 "http://edge.lb.tld"
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.11
(KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11"
181.17.XX.XX - - [04/Mar/2012:09:34:09 -0430] "GET
/img/common/top_bg.png HTTP/1.1" 404 1007 "http://edge.lb.tld"
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.11
(KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11"

Juan Angulo Moreno

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Mar 4, 2012, 9:10:05 AM3/4/12
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I cleaned the cache and still images are not displayed. I am using 2
browsers for testing and always get the same result.

Edho Arief

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Mar 4, 2012, 9:10:39 AM3/4/12
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2012/3/4 Juan Angulo Moreno <apos...@gmail.com>:
> 181.17.XX.XX - - [04/Mar/2012:09:32:53 -0430] "GET /css/style.css
> HTTP/1.1" 200 3870 "http://edge.lb.tld" "Mozilla/5.0 (Macintosh; Intel
> Mac OS X 10_7_3) AppleWebKit/535.11 (KHTML, like Gecko)
> Chrome/17.0.963.56 Safari/535.11"
> 181.17.XX.XX - - [04/Mar/2012:09:34:09 -0430] "GET
> /img/common/logo.gif HTTP/1.1" 404 257 "http://edge.lb.tld"
> "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.11
> (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11"
> 181.17.XX.XX - - [04/Mar/2012:09:34:09 -0430] "GET
> /img/common/top_bg.png HTTP/1.1" 404 1007 "http://edge.lb.tld"
> "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.11
> (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11"
>

Are you sure your backends are configured properly? Have you tried
accessing the backends directly?

António P. P. Almeida

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Mar 4, 2012, 10:02:55 AM3/4/12
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Perhaps the links in the site do not point to the proper
location. With a config as simple as yours, the problem is either in
the app or in the backend configuration. You have no root defined so
Nginx is trying the open the files with the default root:

/usr/local/nginx/html

I suggest you enable the debug log and trace the request:

http://nginx.org/en/docs/debugging_log.html

--- appa

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