“cache: [GET /] miss” in production using WebRick

[ghost]

I cannot test my website in production mode using WebRick, as it is raising cache errors. In development and testing modes everything works perfectly.

I have set this option in config/environments/production.rb:

config.serve_static_assets = true

And then I ran:

bundle exec rake assets:precompile

Now I start up the server:

david$ rails s -e production
=> Booting WEBrick
=> Rails 3.2.1 application starting in production on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server
[2012-01-31 19:52:35] INFO  WEBrick 1.3.1
[2012-01-31 19:52:35] INFO  ruby 1.9.3 (2011-10-30) [x86_64-darwin11.2.0]
[2012-01-31 19:52:35] INFO  WEBrick::HTTPServer#start: pid=13329 port=3000

And when I go to http://localhost:3000 I get "We're sorry, but something went wrong.". In the terminal this is what it outputs:

cache: [GET /] miss

I'm stalled here. I have no clue in what to do.

[kennyj]

Did you see any problem in production.log ?

$ cat log/production.log

[ghost]

Nope, there are no updates when loading the page in production mode.

[kennyj]

Umm..

I attempted to reproduce it , but I could not reproduce this issue.
It's work fine in production mode.

Please serve us a minimum app to reproduce this issue ?

[ghost]

@kennyj I think I have discovered the source of the problem: javascript_include_tag

If you delete the require_tree . statement from application.js and try to include one javascript file through javascript_include_tag you will get an error on production. The log will say that the file is not precompiled, even if you have precompiled it before.

Try it:

rails new testing -T
cd testing
rails g controller home index
rm public/index.html

Edit app/assets/javascripts/application.js and delete the line //= require_tree .

Edit app/views/home/index.html.erb and add this at the end:

<%= javascript_include_tag "home" %>

Edit config/routes.rb and replace get "home/index" with root :to => 'home#index'

Now precompile assets:

bundle exec rake assets:precompile

Run the server in development mode: rails s and go to http://localhost:3000/, then check the source code to see that the javascript file is correctly included:

<script src="/assets/home.js?body=1" type="text/javascript"></script>

Now stop the server and start it in production mode: rails s -e production, go to http://localhost:3000/ and you will get the "We're sorry, but something went wrong." error message.
The log/production.log says "home.js isn't precompiled".

[kennyj]

Please edit config/environments/production.rb.

config.assets.precompile += %w( home.js )

and precompile again.

[kennyj]

It's work fine in my box... It's odd.
Please see the following command output.

$ ls -la public/assets/
合計 332
drwxrwxr-x 2 kennyj kennyj  4096  2月  2 00:39 .
drwxr-xr-x 3 kennyj kennyj  4096  2月  2 00:39 ..
-rw-rw-r-- 1 kennyj kennyj 99524  2月  2 00:28 application-3d7becb183603113a585f12ceec188fa.js
-rw-rw-r-- 1 kennyj kennyj 34925  2月  2 00:28 application-3d7becb183603113a585f12ceec188fa.js.gz
-rw-rw-r-- 1 kennyj kennyj     0  2月  1 21:09 application-95bd4fe1de99c1cd91ec8e6f348a44bd.css
-rw-rw-r-- 1 kennyj kennyj    20  2月  1 21:09 application-95bd4fe1de99c1cd91ec8e6f348a44bd.css.gz
-rw-rw-r-- 1 kennyj kennyj     0  2月  1 21:09 application.css
-rw-rw-r-- 1 kennyj kennyj    20  2月  1 21:09 application.css.gz
-rw-rw-r-- 1 kennyj kennyj 99524  2月  2 00:28 application.js
-rw-rw-r-- 1 kennyj kennyj 34925  2月  2 00:28 application.js.gz
-rw-rw-r-- 1 kennyj kennyj    28  2月  1 21:09 home-95f0ace38133acd0b2226f2c4181b3f3.js
-rw-rw-r-- 1 kennyj kennyj    48  2月  1 21:09 home-95f0ace38133acd0b2226f2c4181b3f3.js.gz
-rw-rw-r-- 1 kennyj kennyj    28  2月  1 21:09 home.js
-rw-rw-r-- 1 kennyj kennyj    48  2月  1 21:09 home.js.gz
-rw-rw-r-- 1 kennyj kennyj   238  2月  2 00:39 manifest.yml
-rw-r--r-- 1 kennyj kennyj  6646  2月  1 21:04 rails-782b548cc1ba7f898cdad2d9eb8420d2.png
-rw-r--r-- 1 kennyj kennyj  6646  2月  1 21:04 rails.png

$ cat public/assets/manifest.yml
---
rails.png: rails-782b548cc1ba7f898cdad2d9eb8420d2.png
application.js: application-3d7becb183603113a585f12ceec188fa.js
home.js: home-95f0ace38133acd0b2226f2c4181b3f3.js
application.css: application-95bd4fe1de99c1cd91ec8e6f348a44bd.css

[ghost]

Thanks @kennyj, you are right, it works fine, I forgot to enable the serve_static_assets option.

[xpepermint]

I have the same problem. What version do I have to use to fix it? I'm on Rails 3.2.1, Mac, Ruby 1.9.3.