Rails - Apr 2009 - Getting Started with Rails - post_comment_url

Hi,
Thanks for a wonderful Getting Started with Rails. I am up to the last
section and just added the comments part.
So while testing and looking over comments_controller.rb;
I see the reference to post_comment_url calll where is this defined.
Below is the message I am getting.
Thanks

ActionController::RoutingError (post_comment_url failed to generate
from {:post_id=>#<Post id: 1, name: "lin", title: "post
1", content:
"content 1", created_at: "2009-04-15 16:56:44", updated_at:
"2009-04-15 16:56:44">, :action=>"show",
:id=>#<Comment id: nil,
commenter: "jake lin", body: "this is a new comment",
post_id: 1,
created_at: nil, updated_at: nil>, :controller=>"comments"},
expected:
{:action=>"show", :controller=>"comments"}, diff:
{:post_id=>#<Post
id: 1, name: "lin", title: "post 1", content: "content
1", created_at:
"2009-04-15 16:56:44", updated_at: "2009-04-15
16:56:44">, :id=>#<Comment id: nil, commenter: "jake
lin", body: "this
is a new comment", post_id: 1, created_at: nil, updated_at: nil>}):
  (eval):16:in `post_comment_url''
  app/controllers/comments_controller.rb:18:in `create''

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Same problem here!!

On Apr 15, 8:47 pm, "jlin...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
<jlin...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi,
> Thanks for a wonderfulGettingStartedwithRails. I am up to the last
> section and just added the comments part.
> So while testing and looking over comments_controller.rb;
> I see the reference topost_comment_urlcalll where is this defined.
> Below is the message I amgetting.
> Thanks
>
> ActionController::RoutingError (post_comment_urlfailed to generate
> from {:post_id=>#<Post id: 1, name: "lin", title:
"post 1", content:
> "content 1", created_at: "2009-04-15 16:56:44",
updated_at:
> "2009-04-15 16:56:44">, :action=>"show",
:id=>#<Comment id: nil,
> commenter: "jake lin", body: "this is a new comment",
post_id: 1,
> created_at: nil, updated_at: nil>,
:controller=>"comments"}, expected:
> {:action=>"show", :controller=>"comments"}, diff:
{:post_id=>#<Post
> id: 1, name: "lin", title: "post 1", content:
"content 1", created_at:
> "2009-04-15 16:56:44", updated_at: "2009-04-15
> 16:56:44">, :id=>#<Comment id: nil, commenter: "jake
lin", body: "this
> is a new comment", post_id: 1, created_at: nil, updated_at: nil>}):
>   (eval):16:in `post_comment_url''
>   app/controllers/comments_controller.rb:18:in `create''

Ro wrote:
> Same problem here!!
Arrgh! I''m also having the same problem! Can someone point me in the 
right direction of a solution?

It''s so frustrating to get this far with rails, but not be able to 
finish the "Getting Started" Tutorial!

I am using Rails 2.3.2 and Ruby 1.8.6. The tutorial does not indicate 
that Ruby 1.9 is required, does anyone know if it is?

I''ve had trouble upgrading Ruby in the past, but I''ll try
again now.

Thanks to anyone who can help!

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