Rails - Apr 2010 - ActionController::RoutingError after using scaffold

Hey there,

I''m new to Ruby and was following a tutorial found here:

http://stackoverflow.com/questions/545951/ruby-on-rails-link-to-syntax

Anyway, I already had my own MySQL database from PHP development so I
decided to try to create a scaffold off of a table ''users''.

I get the following error:
ActionController::RoutingError in Users#index

Showing app/views/users/index.html.erb where line #9 raised:

user_url failed to generate from {:controller=>"users",
:action=>"show",
:id=>#<...>}

The issue is coming from this line:
<%= link_to ''Show'', user %>

I tried deleting that code and trying this instead:
<%= user["user_id"] %> -- where user_id is a field in the users
table
and it printed the user_id

Is this a known scaffold bug in Ruby installs on Windows? How do I go
about fixing it?

Thanks,
Lang
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My guess is that you havent specified what the primary_key of the
users table is. Rails expect it do be "id" if you dont specify it.
Try adding "set_primary_key(:user_id)" to your user model if you
havent already.

On Apr 22, 8:38 am, William Lang
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> Hey there,
>
> I''m new to Ruby and was following a tutorial found here:
>
> http://stackoverflow.com/questions/545951/ruby-on-rails-link-to-syntax
>
> Anyway, I already had my own MySQL database from PHP development so I
> decided to try to create a scaffold off of a table
''users''.
>
> I get the following error:
> ActionController::RoutingError in Users#index
>
> Showing app/views/users/index.html.erb where line #9 raised:
>
> user_url failed to generate from {:controller=>"users",
:action=>"show",
> :id=>#<...>}
>
> The issue is coming from this line:
> <%= link_to ''Show'', user %>
>
> I tried deleting that code and trying this instead:
> <%= user["user_id"] %> -- where user_id is a field in the
users table
> and it printed the user_id
>
> Is this a known scaffold bug in Ruby installs on Windows? How do I go
> about fixing it?
>
> Thanks,
> Lang
> --
> Posted viahttp://www.ruby-forum.com/.
>
> --
> You received this message because you are subscribed to the Google Groups
"Ruby on Rails: Talk" group.
> To post to this group, send email to
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org
> To unsubscribe from this group, send email to
rubyonrails-talk+unsubscribe@googlegroups.com.
> For more options, visit this group
athttp://groups.google.com/group/rubyonrails-talk?hl=en.
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Sharagoz wrote:
> My guess is that you havent specified what the primary_key of the
> users table is. Rails expect it do be "id" if you dont specify
it.
> Try adding "set_primary_key(:user_id)" to your user model if you
> havent already.
That fixed it! Thanks so much!
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