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Loganathan Sellapa

2012-Jan-26 08:10 UTC

Problem while creating new resource on ActiveAdmin

HI All,

I have installed the Active Admin successfully, but facing the following
error while restarting the server after generating an resource.

     *rails generate active_admin:resource item*

/home/logs/Desktop/training/RAILS/courier/app/admin/items.rb:1:in `<top
(required)>'': uninitialized constant Item (NameError)
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.1/lib/active_admin/application.rb:129:in
`block in load!''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.1/lib/active_admin/application.rb:129:in
`each''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.1/lib/active_admin/application.rb:129:in
`load!''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.1/lib/active_admin/application.rb:152:in
`routes''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.1/lib/active_admin.rb:63:in
`routes''
    from /home/logs/Desktop/training/RAILS/courier/config/routes.rb:3:in
`block in <top (required)>''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.0/lib/action_dispatch/routing/route_set.rb:257:in
`instance_exec''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.0/lib/action_dispatch/routing/route_set.rb:257:in
`eval_block''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.0/lib/action_dispatch/routing/route_set.rb:234:in
`draw''
    from /home/logs/Desktop/training/RAILS/courier/config/routes.rb:1:in
`<top (required)>''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/application/routes_reloader.rb:29:in
`block in load_paths''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/application/routes_reloader.rb:29:in
`each''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/application/routes_reloader.rb:29:in
`load_paths''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/application/routes_reloader.rb:13:in
`reload!''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/application.rb:83:in
`reload_routes!''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.1/lib/active_admin/reloader.rb:17:in
`block in attach!''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/callbacks.rb:404:in
`_run_prepare_callbacks''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.0/lib/active_support/callbacks.rb:81:in
`run_callbacks''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.0/lib/action_dispatch/middleware/reloader.rb:46:in
`prepare!''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/application/finisher.rb:41:in
`block in <module:Finisher>''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/initializable.rb:25:in
`instance_exec''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/initializable.rb:25:in
`run''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/initializable.rb:50:in
`block in run_initializers''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/initializable.rb:49:in
`each''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/initializable.rb:49:in
`run_initializers''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/application.rb:92:in
`initialize!''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/railtie/configurable.rb:30:in
`method_missing''
    from
/home/logs/Desktop/training/RAILS/courier/config/environment.rb:5:in `<top
(required)>''
    from /home/logs/Desktop/training/RAILS/courier/config.ru:4:in `block in
<main>''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.3.6/lib/rack/builder.rb:51:in
`instance_eval''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.3.6/lib/rack/builder.rb:51:in
`initialize''
    from /home/logs/Desktop/training/RAILS/courier/config.ru:1:in `new''
    from /home/logs/Desktop/training/RAILS/courier/config.ru:1:in
`<main>''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.3.6/lib/rack/builder.rb:40:in
`eval''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.3.6/lib/rack/builder.rb:40:in
`parse_file''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.3.6/lib/rack/server.rb:200:in
`app''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands/server.rb:46:in
`app''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.3.6/lib/rack/server.rb:301:in
`wrapped_app''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rack-1.3.6/lib/rack/server.rb:252:in
`start''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands/server.rb:70:in
`start''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands.rb:54:in
`block in <top (required)>''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands.rb:49:in
`tap''
    from
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.0/lib/rails/commands.rb:49:in
`<top (required)>''
    from script/rails:6:in `require''
    from script/rails:6:in `<main>''

Thanks in advance.

regards,
Loganathan

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Colin Law

2012-Jan-26 09:48 UTC

head link

Re: Problem while creating new resource on ActiveAdmin

On 26 January 2012 08:10, Loganathan Sellapa
<loganathan.ms-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> HI All,
>
> I have installed the Active Admin successfully, but facing the following
> error while restarting the server after generating an resource.
>
>      rails generate active_admin:resource item
Did you remember to run migrate on the database?

Colin
>
> /home/logs/Desktop/training/RAILS/courier/app/admin/items.rb:1:in `<top
> (required)>'': uninitialized constant Item (NameError)
-- 
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Loganathan Sellapa

2012-Jan-26 11:00 UTC

head link

Re: Problem while creating new resource on ActiveAdmin

Yeah I was able to execute rake db:migrate before creating the new
resource, but after creating the resource it throws the  same error. Please
have a look on the below , do i need to create controller or model for Item
to get it run?

/Desktop/training/RAILS/courier$ rake db:migrate --trace
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
uninitialized constant Item
/home/logs/Desktop/training/RAILS/courier/app/admin/items.rb:1:in `<top
(required)>''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin/application.rb:132:in
`block in load!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin/application.rb:132:in
`each''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin/application.rb:132:in
`load!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin/application.rb:155:in
`routes''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin.rb:63:in
`routes''
/home/logs/Desktop/training/RAILS/courier/config/routes.rb:2:in `block in
<top (required)>''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.3/lib/action_dispatch/routing/route_set.rb:258:in
`instance_exec''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.3/lib/action_dispatch/routing/route_set.rb:258:in
`eval_block''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.3/lib/action_dispatch/routing/route_set.rb:235:in
`draw''
/home/logs/Desktop/training/RAILS/courier/config/routes.rb:1:in `<top
(required)>''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application/routes_reloader.rb:29:in
`block in load_paths''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application/routes_reloader.rb:29:in
`each''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application/routes_reloader.rb:29:in
`load_paths''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application/routes_reloader.rb:13:in
`reload!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application.rb:87:in
`reload_routes!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin/reloader.rb:34:in
`reload!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin/reloader.rb:28:in
`block in initialize''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/file_update_checker.rb:32:in
`call''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/file_update_checker.rb:32:in
`execute_if_updated''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activeadmin-0.3.4/lib/active_admin/reloader.rb:45:in
`block in attach!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/callbacks.rb:404:in
`_run_prepare_callbacks''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/activesupport-3.1.3/lib/active_support/callbacks.rb:81:in
`run_callbacks''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/actionpack-3.1.3/lib/action_dispatch/middleware/reloader.rb:46:in
`prepare!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application/finisher.rb:41:in
`block in <module:Finisher>''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/initializable.rb:30:in
`instance_exec''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/initializable.rb:30:in
`run''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/initializable.rb:55:in
`block in run_initializers''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/initializable.rb:54:in
`each''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/initializable.rb:54:in
`run_initializers''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application.rb:96:in
`initialize!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/railtie/configurable.rb:30:in
`method_missing''
/home/logs/Desktop/training/RAILS/courier/config/environment.rb:5:in `<top
(required)>''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application.rb:83:in
`require_environment!''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/railties-3.1.3/lib/rails/application.rb:193:in
`block (2 levels) in initialize_tasks''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:205:in
`call''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:205:in
`block in execute''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:200:in
`each''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:200:in
`execute''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:158:in
`block in invoke_with_call_chain''
/home/logs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/monitor.rb:201:in
`mon_synchronize''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:151:in
`invoke_with_call_chain''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:176:in
`block in invoke_prerequisites''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:174:in
`each''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:174:in
`invoke_prerequisites''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:157:in
`block in invoke_with_call_chain''
/home/logs/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/monitor.rb:201:in
`mon_synchronize''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:151:in
`invoke_with_call_chain''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/task.rb:144:in
`invoke''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:116:in
`invoke_task''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:94:in
`block (2 levels) in top_level''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:94:in
`each''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:94:in
`block in top_level''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:133:in
`standard_exception_handling''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:88:in
`top_level''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:66:in
`block in run''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:133:in
`standard_exception_handling''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/lib/rake/application.rb:63:in
`run''
/home/logs/.rvm/gems/ruby-1.9.2-p290/gems/rake-0.9.2.2/bin/rake:33:in `<top
(required)>''
/home/logs/.rvm/gems/ruby-1.9.2-p290/bin/rake:19:in `load''
/home/logs/.rvm/gems/ruby-1.9.2-p290/bin/rake:19:in `<main>''
Tasks: TOP => db:migrate => environment

regards,
Loganathan

On Thu, Jan 26, 2012 at 3:18 PM, Colin Law
<clanlaw-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org> wrote:
> On 26 January 2012 08:10, Loganathan Sellapa
<loganathan.ms-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> wrote:
> > HI All,
> >
> > I have installed the Active Admin successfully, but facing the
following
> > error while restarting the server after generating an resource.
> >
> >      rails generate active_admin:resource item
>
> Did you remember to run migrate on the database?
>
> Colin
>
> >
> > /home/logs/Desktop/training/RAILS/courier/app/admin/items.rb:1:in
`<top
> > (required)>'': uninitialized constant Item (NameError)
>
> --
> 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
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> To unsubscribe from this group, send email to
>
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> For more options, visit this group at
> http://groups.google.com/group/rubyonrails-talk?hl=en.
>
>
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