¿Rails ignorando config.action_dispatch.x_sendfile_header? Usando Thin + Nginx

I've set up a production environment running Rails 3.1.0rc6, Thin and Nginx.

For some reason, having set config.action_dispatch.x_sendfile_header = "X-Accel-Redirect" in config/environments/production.rb, Rails seems to have completely ignored it; assets aren't being served, and the response headers for one file is as follows:

Server: nginx/1.0.5
Date: Sun, 28 Aug 2011 00:26:08 GMT
Content-Type: image/png
Content-Length: 0
Cache-Control: no-cache
Last-Modified: Sat, 27 Aug 2011 23:47:35 GMT
Etag: "af4810c52cb323d9ed061d1db5b4f296"
X-UA-Compatible: IE=Edge,chrome=1
X-Sendfile: /var/www/***/app/assets/images/bg-linen-light.png
X-Runtime: 0.004595
X-Content-Digest: da39a3ee5e6b4b0d3255bfef95601890afd80709
Age: 0
X-Rack-Cache: stale, valid, store

200 OK

So it seems Rails is still setting the X-Sendfile header. I've tried adding the sendfile_header line to config/application.rb, but I'm guessing it's being overriden or ignored as well.

My yml file for Thin:

chdir: /var/www/***
environment: production
port: 3000
timeout: 30
log: log/thin.log
pid: tmp/pids/thin.pid
max_conns: 1024
max_persistent_conns: 512
require: []

wait: 30
servers: 1
daemonize: true

Nginx vhost:

upstream *** {

server {
    listen 80;
    server_name ***;
    root /var/www/***/public;
    index index.html;

    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 off;

        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://***;

Ya lo intenté /etc/init.d/thin stop then starting it again a few times, to no avail.

preguntado el 28 de agosto de 11 a las 00:08

1 Respuestas

Me encontré con esto en production.log:

Started GET "/assets/bg-linen-light.png" for ***** at 2011-08-28 11:04:42 +0400
Served asset /bg-linen-light.png - 304 Not Modified (102ms)

The problem is that the browser had requested that file antes x_sendfile_header was changed to what it should be, so it seems that Rails (and/or the browser) does absolutely nothing after changing the variable.

The issue was resolved by going to rails consoley escribiendo Rails.cache.clear. A hard refresh after that solves the problem!

Started GET "/assets/bg-linen-light.png" for ***** at 2011-08-28 11:06:06 +0400
Served asset /bg-linen-light.png - 200 OK (4ms)

respondido 24 mar '14, 04:03

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