Rails - Aug 2007 - Inherited AR Methods MIssing? Errors Doesn't Exist?

I''m seeing something strange and so far haven''t been able to
figure
it out. First off, here''s our setup:

MacOS X Tiger 10.4.10 (Intel)
Ruby 1.8.6
Rails 1.2.3
PostgreSQL 8.2.3

I have a ton of apps that work great but a brand new app is giving me  
trouble.

I am getting an error indicating that the ''errors'' method for
the
object doesn''t exist. It should be inherited from the base AR class.

This app has a single model, ''Upload'' that uses attachment_fu
to take
uploads.

Here''s my code:

Model:

class Upload < ActiveRecord::Base
   has_attachment :storage => :file_system, :max_size => 5.megabytes
end

Controller:

def new
   @upload = Upload.new if @upload.blank?
end

View:

<% form_for :upload, @upload, :url => {:action => :create} do |form|
%>
   <% if @upload != nil && !@upload.errors.empty? -%>
     <%= error_messages_for ''upload'' %>
   <% end -%>
<% end %>

The error I get is:

ActionView::TemplateError (undefined method `errors'' for #<Upload: 
0x34e5e14>) on line #12 of app/views/uploads/new.rhtml:

12:             <% if @upload != nil && !@upload.errors.empty? -%>
14:                     <%= error_messages_for ''upload''
%>
15:             <% end -%>

     #{RAILS_ROOT}/app/views/uploads/new.rhtml:12:in  
`_run_rhtml_47app47views47uploads47new46rhtml''
     /opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/ 
action_view/helpers/form_helper.rb:151:in `fields_for''
     /opt/local/lib/ruby/gems/1.8/gems/actionpack-1.13.3/lib/ 
action_view/helpers/form_helper.rb:127:in `form_for''
     #{RAILS_ROOT}/app/views/uploads/new.rhtml:4:in  
`_run_rhtml_47app47views47uploads47new46rhtml''

Huh?

When I put in some debugging code, it gets even more interesting:

I added this code to the controller:

     logger.debug "Upload Class: #{@upload.class}"
     logger.debug @upload.methods

Ok, this should tell me more. Output:

Upload Class: Upload

inspectinstance_execlistenerclonemethodrequire_gemrequire_library_or_gem 
request_progresspublic_methodsencode64blank? 
listener=instance_variable_defined?decode64equal? 
freezeunloadableloadb64encodemethodssilence_warningsrespond_to? 
enable_warningsreturningremove_subclasses_ofdupto_yamlinstance_variables 
optionsdecode_b__id__object_ideql? 
requireidprocesssilence_streamrequest_beginssingleton_methodsto_yaml_sty 
lesendwith_optionstaintfrozen?instance_variable_getgeminstance_of? 
__send__to_aextend_with_included_modules_fromrequest_notify`typeinstance 
_evalprotected_methodsto_yaml_propertiesdisplay=====subclasses_ofinstanc 
e_variable_setsilence_stderrextended_byextendkind_of? 
to_sdaemonizeinstance_valuesclasshashto_paramprivate_methods=~tainted? 
suppresstagurito_jsonuntaintnil? 
copy_instance_variables_fromtaguri=dcloneis_a?

So, it is the right class but the methods are wrong.

What the heck is going on here? When I create a new Upload object  
from the console, everything works properly and the methods are all  
there.

What gives?

Thanks,
Hunter

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