Question

I am studying Ruby on rails by Michael Hartl. I am stuck at the section 8.1.4 which is implementing a sign-in page using Rails 3.2.3 with Ruby 1.9.3-p125.

I have created a session controller, and I want my session controller’s create action maps to this route /sessions , but always a routing error. Any clues? The following are my relevant files:

routes.rb

SampleApp::Application.routes.draw do

  resources :users
  resources :sessions, only: [:new, :create, :destroy]

  root to: 'static_pages#home'

  match '/signup',  to: 'users#new'
  match '/signin',  to: 'sessions#new'
  match '/signout', to: 'sessions#destroy', via: :delete

  match '/help',    to: 'static_pages#help'
  match '/about',   to: 'static_pages#about'
  match '/contact', to: 'static_pages#contact' 
end

and my rake routes :

      users GET    /users(.:format)          users#index
            POST   /users(.:format)          users#create
   new_user GET    /users/new(.:format)      users#new
  edit_user GET    /users/:id/edit(.:format) users#edit
       user GET    /users/:id(.:format)      users#show
            PUT    /users/:id(.:format)      users#update
            DELETE /users/:id(.:format)      users#destroy
   sessions POST   /sessions(.:format)       sessions#create
new_session GET    /sessions/new(.:format)   sessions#new
    session DELETE /sessions/:id(.:format)   sessions#destroy
       root        /                         static_pages#home
     signup        /signup(.:format)         users#new
     signin        /signin(.:format)         sessions#new
    signout DELETE /signout(.:format)        sessions#destroy
       help        /help(.:format)           static_pages#help
      about        /about(.:format)          static_pages#about
    contact        /contact(.:format)        static_pages#contact

my app/views/sessions/new.html.erb :

  <%= provide(:title, 'Sign in') %>
  <h1>Sign in</h1>

 <div class="row">
 <div class="span6 offset3">
   <%= form_for(:session, url: sessions_path) do |f| %>

     <%= f.label :email %>
     <%= f.text_field :email %>

     <%= f.label :password %>
     <%= f.password_field :password %>

     <%= f.submit "Sign in", class: "btn btn-large btn-primary" %>
   <% end %>

   <p>New user? <%= link_to "Sign up now!", signup_path %></p>
 </div>

my sessions controller:

class SessionsController < ApplicationController
  def new
  end

  def create
    render 'new'
  end

  def destroy
  end
end

In figure 8.5 the picture shows the url for sign in is http://localhost:3000/sessions. When I navigate to that page,

I always get a

Routing Error
    No route matches [GET] "/sessions"

solved

The figure 8.5 is showing the page after you hit the create button, and the url changes from /sessions/new or /signin to /sessions, So it’s nothing wrong with my above files.

Answer 1

I think it’s a typo. You have to naviagte to http://localhost:3000/sessions/new as indicated in your routes.