[Rails] will_paginate problem

[pravin mishra]

hello
my problem is not solved till now....
my configaration is like that


>>C:\InstantRails-2.0-win_2\
rails_apps\pagination>gem list will_paginate


*** LOCAL GEMS ***

will_paginate (2.3.14)

C:\InstantRails-2.0-win_2\rails_apps\pagination>gem list ruby


*** LOCAL GEMS ***

rubygems-update (1.3.7, 1.0.1)

C:\InstantRails-2.0-win_2\rails_apps\pagination>gem list rails


*** LOCAL GEMS ***

rails (2.3.8, 2.0.2)

I had made a fresh project of name "pagination", table name is "lists" and
attributes is name & pin
>>CODE in lists_controller is below

def index
    #...@lists = List.all
    @lists = List.paginate :page => params[:page], :order => 'name DESC'


    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @lists }
    end


>>CODE in MODELS list.rb  is below

class List < ActiveRecord::Base
  cattr_reader :per_page
  @@per_page = 2

end

>>CODE in VIEWS index.html.erb  is below

<h1>Listing lists</h1>

<table>
  <tr>
    <th>Name</th>
    <th>Pin</th>
  </tr>

<% @lists.each do |list| %>
  <tr>
    <td><%=h list.name %></td>
    <td><%=h list.pin %></td>
    <td><%= link_to 'Show', list %></td>
    <td><%= link_to 'Edit', edit_list_path(list) %></td>
    <td><%= link_to 'Destroy', list, :confirm => 'Are you sure?', :method =>
:delete %></td>
  </tr>
<% end %>
</table>

<br />

<hr/>
<%= will_paginate @lists%>
<hr/>

<%= link_to 'New list', new_list_path %>

>> i had added in ENVIRNMENT.RB  file

require 'will_paginate'
at last end

when i am running server then


C:\InstantRails-2.0-win_2\
rails_apps\pagination>ruby script/server

=> Booting Mongrel
=> Rails 2.3.8 application starting on http://0.0.0.0:3000
=> Call with -d to detach
=> Ctrl-C to shutdown server

finally on browser error is coming this

undefined method `paginate' for #<Class:0x471c448>

RAILS_ROOT: C:/InstantRails-2.0-win_2/rails_apps/pagination
Application Trace <?ui=2&view=bsp&ver=ohhl4rw8mbn4#12aa42c2d1daad4d_>
| Framework
Trace <?ui=2&view=bsp&ver=ohhl4rw8mbn4#12aa42c2d1daad4d_> | Full
Trace<?ui=2&view=bsp&ver=ohhl4rw8mbn4#12aa42c2d1daad4d_>

C:/InstantRails-2.0-win_2/ruby/lib/ruby/gems/1.8/gems/activerecord-2.3.8/lib/active_record/base.rb:1994:in
`method_missing'
C:/InstantRails-2.0-win_2/rails_apps/pagination/app/controllers/lists_controller.rb:6:in
`index'


please help me

thanks

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