Re: Beginner problem

Katie Kelly
Sat, 22 Dec 2007 22:36:10 -0000

I forgot to add... I think you might be able to find some more
information about the Rails 2/scaffold thing on this forum too.

On Dec 22, 4:32 pm, Katie Kelly
<kellyka...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hello.
>
> Unfortunately, I think the tutorial that you are working with is a bit
> out of date.  I think you''ll probably run into trouble with most
of
> the Rails tutorials out there right now if you''re using Rails
2.0.x
> because scaffold has been deprecated.  If you Google for ''rails
> scaffold deprecated'' or something similar you should be able to
find
> some more information about it.
>
> Katie
>
> On Dec 22, 3:52 pm, Sean Foley
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> wrote:
>
> > Hey all you RoR experts/fanatics!
>
> > Let me start by saying: If this is the wrong forum to post in, I
humbly
> > apologize.
>
> > I am not normally a forum junkie or anything, but after spending 4
days
> > reading half a dozen different tutorials on Ruby on Rails and trying
to
> > get a really tiny little application up and running, I have run into a
> > brick wall that I cannot get past and I am getting desperate for help.
>
> > The current tutorial I am working with
is:http://www-128.ibm.com/developerworks/library/l-rubyrails/index.html
>
> > (Please let me re-emphasize here that I have read 5-6 different
> > tutorials now. Please--for the love of God--do not refer me to another
> > tutorial. They aren''t working for me)
>
> > From top to bottom, here is what I have done:
>
> > (1) I am using my Macbook running Leopard. It has ruby pre-installed
and
> > I have run the update rails gem. I also am using PostgreSQL (rather
than
> > the MySQL that all of the tutorials use because I am more familiar
with
> > PostgreSQL)
>
> > (2) I created a database called "railstest01" in ~/db
> >     export PGDATA=~/db/railstest01
> >     initdb
> >     createdb railstest01
> >     psql railstest01
>
> >     (then, inside psql, I just created a little test table...)
> >     CREATE TABLE Friends (
> >         id SERIAL NOT NULL,
> >         name TEXT NOT NULL,
> >         PRIMARY KEY (id)
> >     );
>
> >     INSERT INTO Friends (name) VALUES (''Tiffie'');
> >     INSERT INTO Friends (name) VALUES (''Stephen'');
> >     INSERT INTO Friends (name) VALUES (''Mike'');
> >     ...
>
> > (2) rails railstest01
>
> > (3) I changed ~/railstest01/config/database.yml to be
>
> > development:
> >   adapter: postgresql
> >   database: railstest01
> >   host: localhost
> >   username: postgres
> >   password: 12345
> >   timeout: 5000
>
> > (Note: On the Macbook, I have to create a user called
"postgres" in
> > order to use PostgreSQL--at least, that''s what I read...)
>
> > (4) ruby script/generate model friend
>
> > (5) ruby script/generate controller friend
>
> > (6) I changed ~/railstest01/app/controllers/friend_controller.rb to be
>
> > class FriendController < ApplicationController
> >   model :friend
> >   scaffold :friend
> > end
>
> > (7) ruby script/server
>
> > (8) I then browsed to:http://localhost:3000/andsuccessfully saw the
> > "Welcome Aboard! You''re riding Ruby on Rails!"
splash screen.
>
> > (9) Lastly, I browsed tohttp://localhost:3000/friend/andwas hoping to
> > see the screen that all the various tutorials told me I would see that
> > lets me edit the tiny little database.
>
> > However... I have yet to be able to do that. I keep getting the same
> > error (both on my Macbook and on the domain I registered so that I
could
> > play around with Ruby on Rails more publicly). Below is the entire
error
> > I am getting.
>
> > If someone could please help me clear up this issue, I would be
> > extremely grateful. I am on break from the University and was hoping
to
> > mess around with RoR and become a devoted junkie, but I am thus far
> > unable to even get my "foot in the door."
>
> > --------------------------------
> > THE ERROR
> > --------------------------------
> >  NoMethodError in FriendController#index
>
> > undefined method `model'' for FriendController:Class
>
> > RAILS_ROOT: /Users/postgres/ruby/railstest01
> > Application Trace | Framework Trace | Full Trace
>
> > app/controllers/friend_controller.rb:2
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:203:in
> > `load_without_new_constant_marking''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:203:in
> > `load_file''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in
> > `new_constants_in''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:202:in
> > `load_file''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:94:in
> > `require_or_load''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:248:in
> > `load_missing_constant''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:453:in
> > `const_missing''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:465:in
> > `const_missing''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/inflector.rb:257:in
> > `constantize''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/core_ext/string/inflections.rb:148:in
> > `constantize''
> >
/Library/Ruby/Gems/1.8/gems/actionpack-2.0.2/lib/action_controller/routing.rb:1426:in
> > `recognize''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in
> > `load''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in
> > `load''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in
> > `new_constants_in''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:489:in
> > `load''
> >
/Library/Ruby/Gems/1.8/gems/rails-2.0.2/lib/commands/servers/mongrel.rb:64
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in
> > `require''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in
> > `new_constants_in''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:496:in
> > `require''
> > /Library/Ruby/Gems/1.8/gems/rails-2.0.2/lib/commands/server.rb:39
>
> >
/Library/Ruby/Gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:170:in
> > `handle_request''
> >
/Library/Ruby/Gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:115:in
> > `dispatch''
> >
/Library/Ruby/Gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:126:in
> > `dispatch_cgi''
> >
/Library/Ruby/Gems/1.8/gems/actionpack-2.0.2/lib/action_controller/dispatcher.rb:9:in
> > `dispatch''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:78:in
> > `process''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:76:in
> > `synchronize''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/rails.rb:76:in
> > `process''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:618:in
> > `process_client''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:617:in
> > `each''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:617:in
> > `process_client''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in
> > `run''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in
> > `initialize''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in
> > `new''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:736:in
> > `run''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in
> > `initialize''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in
> > `new''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel.rb:720:in
> > `run''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:271:in
> > `run''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:270:in
> > `each''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/configurator.rb:270:in
> > `run''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/bin/mongrel_rails:127:in
> > `run''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/lib/mongrel/command.rb:211:in
> > `run''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/gems/1.8/gems/mongrel-1.0.1/bin/mongrel_rails:243
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
> > `gem_original_require''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
> > `require''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
> > `gem_original_require''
> >
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rubygems/custom_require.rb:27:in
> > `require''
> > script/server:3
>
> > app/controllers/friend_controller.rb:2
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:203:in
> > `load_without_new_constant_marking''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:203:in
> > `load_file''
> >
/Library/Ruby/Gems/1.8/gems/activesupport-2.0.2/lib/active_support/dependencies.rb:342:in
> > `new_constants_in''
>
> ...
>
> read more »
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