рейковых маршрутов:
new_user_session GET /users/sign_in(.:format) {:action=>"new", :controller=>"devise/sessions"}
user_session POST /users/sign_in(.:format) {:action=>"create", :controller=>"devise/sessions"}
destroy_user_session DELETE /users/sign_out(.:format) {:action=>"destroy", :controller=>"devise/sessions"}
user_password POST /users/password(.:format) {:action=>"create", :controller=>"devise/passwords"}
new_user_password GET /users/password/new(.:format) {:action=>"new", :controller=>"devise/passwords"}
edit_user_password GET /users/password/edit(.:format) {:action=>"edit", :controller=>"devise/passwords"}
PUT /user devise_for :userss/password(.:format) {:action=>"update", :controller=>"devise/passwords"}
cancel_user_registration GET /users/cancel(.:format) {:action=>"cancel", :controller=>"devise/registrations"}
user_registration POST /users(.:format) {:action=>"create", :controller=>"devise/registrations"}
new_user_registration GET /users/sign_up(.:format) {:action=>"new", :controller=>"devise/registrations"}
edit_user_registration GET /users/edit(.:format) {:action=>"edit", :controller=>"devise/registrations"}
PUT /users(.:format) {:action=>"update", :controller=>"devise/registrations"}
DELETE /users(.:format) {:action=>"destroy", :controller=>"devise/registrations"}
user_confirmation POST /users/confirmation(.:format) {:action=>"create", :controller=>"devise/confirmations"}
new_user_confirmation GET /users/confirmation/new(.:format) {:action=>"new", :controller=>"devise/confirmations"}
GET /users/confirmation(.:format) {:action=>"show", :controller=>"devise/confirmations"}
home_index GET /home/index(.:format) {:controller=>"home", :action=>"index"}
root / {:controller=>"home", :action=>"index"}
Но если я нажму на ссылку выхода из системы, я получу
Routing Error
No route matches [GET] "/users/sign_out"
Это application.html.erb:
<!DOCTYPE html>
<html> devise_for :users
<head>
<title>Rorblog</title>
<%= stylesheet_link_tag "application" %>
<%#= javascript_include_tag "application" %>
<%= csrf_meta_tags %>
</head>
<body>
<div id="container">
<div id="header">
<ul class="hmenu">
<li>
<%= link_to('Home', home_index_path ) %>
</li>
<% if user_signed_in? %>
<li>
<%= link_to('Logout', destroy_user_session_path, :method => :delete) %>
</li>
<li>
<%= link_to('Edit registration', edit_user_registration_path) %>
</li>
<% else %>
<li>
<%= link_to('Login', new_user_session_path) %>
</li>
<% end %>
</ul>
<p class="notice"><%= notice %></p>
<p class="alert"><%= alert %></p>
</div>
<div id="content">
<div id="loadwhat">
<%= yield %>
</div>
</div>
<div id="footer">
<%= "user1@copyright.com" %>
</div>
</div>
</body>
</html>
Из страницы источника я получил:
<a href="/users/sign_out" data-method="delete" rel="nofollow">Logout</a>