ActionController::RoutingError in Pages#home

Showing /Users/ihal/Desktop/GP_2011/gp_2011/app/views/shared/_feed_item.html.erb where line #3 raised:

No route matches {:controller=>"users", :action=>"show", :id=>#<User id: 101, email: "dcbror@gmail.com",

encrypted_password: "$2a$10$zciSm1SF5UhnZ//b4M9k6.47e.14UKBtB.I/C4hsddjo...", password_salt: "$2a$10$zciSm1SF5UhnZ//b4M9k6.", reset_password_token: nil, remember_token: nil, remember_created_at: nil, sign_in_count: 3, current_sign_in_at: "2011-03-16 23:14:57", last_sign_in_at: "2011-03-14 23:57:53", current_sign_in_ip: "127.0.0.1", last_sign_in_ip: "127.0.0.1", created_at: "2011-03-14 10:42:21", updated_at: "2011-03-16 23:14:57", name: nil, username: nil, avatar: nil>}

Extracted source (around line #3):

1: <tr>
2:   <td class="avatar">
3:    <%= link_to avatar_for(feed_item.user), feed_item.user %>
4:   </td>
5:   <td class="supportpost">
6:

Trace of template inclusion: app/views/shared/_feed.html.erb, app/views/pages/home.html.erb

Rails.root: /Users/ihal/Desktop/GP_2011/gp_2011
Application Trace | Framework Trace | Full Trace

app/views/shared/_feed_item.html.erb:3:in `_app_views_shared__feed_item_html_erb__1921957314978325644_2161868900_3433621597093174608'
app/views/shared/_feed.html.erb:3:in `_app_views_shared__feed_html_erb__3711547774624300244_2162764500_305833199033439038'
app/views/pages/home.html.erb:7:in `_app_views_pages_home_html_erb___3460931149969880935_2163851440_2772392578701987169'





Gp2011::Application.routes.draw do

  scope ":username", :as => "user" do
   resources :supportposts
  end

  devise_for :users

  resources :supportposts, :only => [:create, :destroy, :index, :show]

  root :to => "pages#home"

  match '/:id' => 'users#show', :as => 'user'

  match '/contact', :to => 'pages#contact'
  match '/about',   :to => 'pages#about'
  match '/help',    :to => 'pages#help'


class PagesController < ApplicationController
  def home
    @title = "Home"
    if user_signed_in?
        @user = User.find_by_username!(params[:id])
          @supportpost = Supportpost.new
          @feed_items = current_user.feed.paginate(:page => params[:page])
    end
  end



class UsersController < ApplicationController

  def show
    @user = User.find_by_username!(params[:id])
    @supportposts = @user.supportposts.paginate(:page => params[:page])
    @title = @user.name
  end
end




class SupportpostsController < ApplicationController

  before_filter :authenticate_user!, :only => [:create, :edit, :update, :destroy]
  before_filter :authorized_user, :only => :destroy

  def create
     @supportpost  = current_user.supportposts.build(params[:supportpost])
          if @supportpost.save
            flash[:success] = "Support created!"
            redirect_to root_path
          else
             @feed_items = []
            render 'pages/home'
          end
  end

  def index
    @supportposts = Supportpost.paginate(:page => params[:page])
  end

  def show

  end

  def destroy
    @supportpost.destroy
    redirect_to root_path
  end


  private

     def authorized_user
       @supportpost = Supportpost.find(params[:id])
       redirect_to root_path unless current_user?(@supportpost.user)
     end
end



 user_supportposts GET    /:username/supportposts(.:format)          {:action=>"index", :controller=>"supportposts"}
     user_supportposts POST   /:username/supportposts(.:format)          {:action=>"create", :controller=>"supportposts"}
  new_user_supportpost GET    /:username/supportposts/new(.:format)      {:action=>"new", :controller=>"supportposts"}
 edit_user_supportpost GET    /:username/supportposts/:id/edit(.:format) {:action=>"edit", :controller=>"supportposts"}
      user_supportpost GET    /:username/supportposts/:id(.:format)      {:action=>"show", :controller=>"supportposts"}
      user_supportpost PUT    /:username/supportposts/:id(.:format)      {:action=>"update", :controller=>"supportposts"}
      user_supportpost DELETE /:username/supportposts/:id(.:format)      {:action=>"destroy", :controller=>"supportposts"}
      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 GET    /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"}
         user_password PUT    /users/password(.:format)                  {:action=>"update", :controller=>"devise/passwords"}
     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"}
     user_registration PUT    /users(.:format)                           {:action=>"update", :controller=>"devise/registrations"}
     user_registration DELETE /users(.:format)                           {:action=>"destroy", :controller=>"devise/registrations"}
          supportposts GET    /supportposts(.:format)                    {:action=>"index", :controller=>"supportposts"}
          supportposts POST   /supportposts(.:format)                    {:action=>"create", :controller=>"supportposts"}
           supportpost GET    /supportposts/:id(.:format)                {:action=>"show", :controller=>"supportposts"}
           supportpost DELETE /supportposts/:id(.:format)                {:action=>"destroy", :controller=>"supportposts"}
                  root        /(.:format)                                {:controller=>"pages", :action=>"home"}
                  user        /:id(.:format)                             {:controller=>"users", :action=>"show"}
               contact        /contact(.:format)                         {:controller=>"pages", :action=>"contact"}
                 about        /about(.:format)                           {:controller=>"pages", :action=>"about"}
                  help        /help(.:format)                            {:controller=>"pages", :action=>"help"}