Railstutorial.org Ruby on Rails Routing problem
I'm following along to Michael Hartl's Screencasts from railstutorial.org. I only have a tiny bit of PHP, html, and css experience under my belt, and I'm okay with bash commands, but object oriented languages are completely new to me.
Here's the problem: I have an app called sample_app. From the command line:
.../sample_app$ rails generate controller Pages home contact
Now, when I look at routes.rb:
SampleApp::Application.routes.draw do
get "pages/home"
get "pages/contact"
And when I look at pages_controller I see:
class PagesController < ApplicationController
def home
end
def contact
end
end
When I attempt to go to "localhost:3000/pages/home" I get the following error page:
Routing Error
No route matches "/pages/home"
I have a suspicion there is something else going on开发者_如何学Go here, because I create a static html file in the folder Public, and could not get it to load either:
Here's my static page in Public:
<html>
<h1> TACO!</h1>
<body>
<p> testing <p>
</body>
</html>
And when I attempt to navigate to "localhost:3000/taco.html" I get the same type of error:
Routing Error
No route matches "/taco.html"
- EDIT: By the way localhost:3000 by itself does load the index.html "welcome to rails blah" page just fine..
You'd be surprised how long I have been attempting to figure this out. I have a feeling this is either a super simple fix, or something is terribly wrong. One or the other...
Just so you know: Rails 3.0.3 ruby 1.8.7 (2010-01-10 patchlevel 249) [i486-linux] gems 1.4.2
Any ideas? This very well might be a RTFM kind of deal, if so just tell me, and I will look harder...
Well, it looks like the tutorial you're using is a Rails 2 tutorial. In Rails 3 the routing language changed. What you want looks like this.
SampleApp::Application.routes.draw do
match "/home" => "pages#home"
match "/contact" => "pages#contact"
end
Then you will create "app/views/pages/home.html.erb" and "app/views/pages/contact.html.erb". Whatever you put in these two html files will be served when you go to /home or /contact. Variables are defined in the controller file app/controllers/pages.rb. If you define:
def contact
@contact = 'John Smith'
end
Then you can access this in "app/views/pages/contact.html.erb" like so.
<h1>Contact name: <%= @contact %></h1>
I have recreated your app so far and it works fine, i would suggest you check your installation of Rails and gem files.
EDIT. I am using rails 3 and it works fine.
I figured it out. I'm a dummy. rails was still running a server in the background from my old app...
And I think I know how it happened without me knowing it too. When I started the server for the other app, I think I remember doing:
rails s &
So that I could keep using the terminal window. But that causes the problem of not being able to easily shut the server back down with Ctrl C.
So I did lsof -i :3000
which outputed:
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
ruby1.8 20667 kevin 5u IPv4 7193288 0t0 TCP *:3000 (LISTEN)
so then i killed it with:
kill -9 20667
With a little help from google of course... Sweet! Thanks for the help, knowing that it worked on someone else's end and not mine was a good start and I did learn a lot of other things by sifting through that documentation anyway...
Thanks for posting your answer, I had the same issue occur. I don't know what all of that lsof and kill is but I closed the terminal with the server running then reran the $ rails generate controller Pages home contact and then ran $ rails server and after that my localhost:3000/pages/home worked as shown on page 81.
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