##Error Log
Processing UsersController#login (for 127.0.0.1 at 2009-04-27 22:26:05) [GET]
Rendering template within layouts/users
Rendering users/login

ActionView::TemplateError (undefined local variable or method `end_form_tag' for
 #<ActionView::Base:0x6e38dc4>) on line #10 of app/views/users/login.html.erb:
7:    E-mail: <%= text_field "user", "email" %>&#x00A;
8:     Password: <%= password_field "user", "password" %>&#x00A;
9:     <%= submit_tag %>
10:   <%= end_form_tag %>

    app/views/users/login.html.erb:10

Rendered rescues/_trace (277.0ms)
Rendered rescues/_request_and_response (1.0ms)
Rendering rescues/layout (internal_server_error)

##login.html.erb
 <!-- app/views/user/login.rhtml.erb -->
  <% if flash[:message] %><div><%= flash[:message] %></div><% end %>
  <% if flash[:error] %><div><%= flash[:error] %></div><% end %>

  <%= form_tag :action => 'process_login'
%>
   E-mail: <%= text_field "user", "email" %>&#x00A;
    Password: <%= password_field "user", "password" %>&#x00A;
    <%= submit_tag %>
  <%= end_form_tag %>

##UserController
  class UsersController < ApplicationController
    def login
      @user = User.new
      @user.email = params[:email]
    end

    def process_login
      if user = User.authenticate(params[:user])
        session[:id] = user.id # Remember the user's id during this session
        redirect_to session[:return_to] || '/'
      else
        flash[:error] = 'Invalid login.'
        redirect_to :action => 'login', :email => params[:user][:email]
      end
    end

    def logout
      reset_session
      flash[:message] = 'Logged out.'
      redirect_to :action => 'login'
    end

    def my_account
    end
  end