# Undefined local variable or method \`new\_new\_path' in an scaffold

**URL:** <https://www.ruby-forum.com/t/undefined-local-variable-or-method-new-new-path-in-an-scaffold/176554>\
**Category:** Rails\
**Created:** [October 2, 2009, 1:58am UTC](https://www.ruby-forum.com/t/undefined-local-variable-or-method-new-new-path-in-an-scaffold/176554 "2009-10-02T01:58:26Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![tyoc](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/a88e57/32.png) [@tyoc](https://www.ruby-forum.com/u/tyoc)\
**Post date:** [October 2, 2009, 1:58am UTC](https://www.ruby-forum.com/t/undefined-local-variable-or-method-new-new-path-in-an-scaffold/176554/1 "2009-10-02T01:58:26Z")

</div>

Hi there people.

My problem come after creating an scaffold like

$ script/generate scaffold New title:string content:text

I dont know what is the possible cause for this, so when I go to  
[http://127.0.0.1:3000/news](http://127.0.0.1:3000/news) I get this error:

######################################################################  
NameError in News#index

Showing news/index.html.erb where line #22 raised:

undefined local variable or method `new\_new\_path’ for  
#ActionView::Base:0xb6fcc4a0

Extracted source (around line #22):

19:  
20:   
  
21:  
22: \<%= link\_to ‘New new’, new\_new\_path %\>

RAILS\_ROOT: /svn/catalogo  
Application Trace | Framework Trace | Full Trace

app/views/news/index.html.erb:22:in  
`_run_erb_47app47views47news47index46html46erb' app/controllers/news_controller.rb:7:in `index’

vendor/rails/actionpack/lib/action\_view/base.rb:338:in `send' vendor/rails/actionpack/lib/action_view/base.rb:338:in `execute’  
vendor/rails/actionpack/lib/action\_view/template\_handlers/  
compilable.rb:29:in `send' vendor/rails/actionpack/lib/action_view/template_handlers/ compilable.rb:29:in `render’  
vendor/rails/actionpack/lib/action\_view/template.rb:35:in `render' vendor/rails/actionpack/lib/action_view/template.rb:22:in `render\_template’  
vendor/rails/actionpack/lib/action\_view/base.rb:245:in `render_file' vendor/rails/actionpack/lib/action_controller/base.rb:1108:in `render\_for\_file’  
vendor/rails/actionpack/lib/action\_controller/base.rb:865:in  
`render_with_no_layout' vendor/rails/actionpack/lib/action_controller/base.rb:880:in `render\_with\_no\_layout’  
vendor/rails/actionpack/lib/action\_controller/layout.rb:251:in  
`render_without_benchmark' vendor/rails/actionpack/lib/action_controller/benchmarking.rb:51:in `render’  
vendor/rails/activesupport/lib/active\_support/core\_ext/benchmark.rb:  
8:in `realtime' vendor/rails/actionpack/lib/action_controller/benchmarking.rb:51:in `render’  
vendor/rails/actionpack/lib/action\_controller/mime\_responds.rb:131:in  
`send' vendor/rails/actionpack/lib/action_controller/mime_responds.rb:131:in `custom’  
vendor/rails/actionpack/lib/action\_controller/mime\_responds.rb:160:in  
`call' vendor/rails/actionpack/lib/action_controller/mime_responds.rb:160:in `respond’  
vendor/rails/actionpack/lib/action\_controller/mime\_responds.rb:154:in  
`each' vendor/rails/actionpack/lib/action_controller/mime_responds.rb:154:in `respond’  
vendor/rails/actionpack/lib/action\_controller/mime\_responds.rb:107:in  
`respond_to' vendor/rails/actionpack/lib/action_controller/base.rb:1162:in `send’  
vendor/rails/actionpack/lib/action\_controller/base.rb:1162:in  
`perform_action_without_filters' vendor/rails/actionpack/lib/action_controller/filters.rb:580:in `call\_filters’  
vendor/rails/actionpack/lib/action\_controller/filters.rb:573:in  
`perform_action_without_benchmark' vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform\_action\_without\_rescue’  
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure' vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform\_action\_without\_rescue’  
vendor/rails/actionpack/lib/action\_controller/rescue.rb:201:in  
`perform_action_without_caching' vendor/rails/actionpack/lib/action_controller/caching/sql_cache.rb: 13:in `perform\_action’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
abstract/query\_cache.rb:33:in `cache' vendor/rails/activerecord/lib/active_record/query_cache.rb:8:in `cache’  
vendor/rails/actionpack/lib/action\_controller/caching/sql\_cache.rb:  
12:in `perform_action' vendor/rails/actionpack/lib/action_controller/base.rb:529:in `send’  
vendor/rails/actionpack/lib/action\_controller/base.rb:529:in  
`process_without_filters' vendor/rails/actionpack/lib/action_controller/filters.rb:569:in `process\_without\_session\_management\_support’  
vendor/rails/actionpack/lib/action\_controller/session\_management.rb:  
130:in `process' vendor/rails/actionpack/lib/action_controller/base.rb:389:in `process’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:149:in  
`handle_request' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:107:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:104:in  
`synchronize' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:104:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:120:in  
`dispatch_cgi' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:35:in `dispatch’  
vendor/rails/railties/lib/webrick\_server.rb:112:in `handle_dispatch' vendor/rails/railties/lib/webrick_server.rb:78:in `service’  
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run’  
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:162:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:95:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:92:in `each' /usr/lib/ruby/1.8/webrick/server.rb:92:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start' /usr/lib/ruby/1.8/webrick/server.rb:82:in `start’  
vendor/rails/railties/lib/webrick\_server.rb:62:in `dispatch' vendor/rails/railties/lib/commands/servers/webrick.rb:66 /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem\_original\_require’  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:31:in `require' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:354:in  
`new_constants_in' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/railties/lib/commands/server.rb:39  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:31:in  
`gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require’  
script/server:3

app/views/news/index.html.erb:22:in  
`_run_erb_47app47views47news47index46html46erb' vendor/rails/actionpack/lib/action_view/base.rb:338:in `send’  
vendor/rails/actionpack/lib/action\_view/base.rb:338:in `execute' vendor/rails/actionpack/lib/action_view/template_handlers/ compilable.rb:29:in `send’  
vendor/rails/actionpack/lib/action\_view/template\_handlers/  
compilable.rb:29:in `render' vendor/rails/actionpack/lib/action_view/template.rb:35:in `render’  
vendor/rails/actionpack/lib/action\_view/template.rb:22:in  
`render_template' vendor/rails/actionpack/lib/action_view/base.rb:245:in `render\_file’  
vendor/rails/actionpack/lib/action\_controller/base.rb:1108:in  
`render_for_file' vendor/rails/actionpack/lib/action_controller/base.rb:865:in `render\_with\_no\_layout’  
vendor/rails/actionpack/lib/action\_controller/base.rb:880:in  
`render_with_no_layout' vendor/rails/actionpack/lib/action_controller/layout.rb:251:in `render\_without\_benchmark’  
vendor/rails/actionpack/lib/action\_controller/benchmarking.rb:51:in  
`render' vendor/rails/activesupport/lib/active_support/core_ext/benchmark.rb: 8:in `realtime’  
vendor/rails/actionpack/lib/action\_controller/benchmarking.rb:51:in  
`render' vendor/rails/actionpack/lib/action_controller/mime_responds.rb:131:in `send’  
vendor/rails/actionpack/lib/action\_controller/mime\_responds.rb:131:in  
`custom' vendor/rails/actionpack/lib/action_controller/mime_responds.rb:160:in `call’  
vendor/rails/actionpack/lib/action\_controller/mime\_responds.rb:160:in  
`respond' vendor/rails/actionpack/lib/action_controller/mime_responds.rb:154:in `each’  
vendor/rails/actionpack/lib/action\_controller/mime\_responds.rb:154:in  
`respond' vendor/rails/actionpack/lib/action_controller/mime_responds.rb:107:in `respond\_to’  
app/controllers/news\_controller.rb:7:in `index' vendor/rails/actionpack/lib/action_controller/base.rb:1162:in `send’  
vendor/rails/actionpack/lib/action\_controller/base.rb:1162:in  
`perform_action_without_filters' vendor/rails/actionpack/lib/action_controller/filters.rb:580:in `call\_filters’  
vendor/rails/actionpack/lib/action\_controller/filters.rb:573:in  
`perform_action_without_benchmark' vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform\_action\_without\_rescue’  
/usr/lib/ruby/1.8/benchmark.rb:293:in `measure' vendor/rails/actionpack/lib/action_controller/benchmarking.rb:68:in `perform\_action\_without\_rescue’  
vendor/rails/actionpack/lib/action\_controller/rescue.rb:201:in  
`perform_action_without_caching' vendor/rails/actionpack/lib/action_controller/caching/sql_cache.rb: 13:in `perform\_action’  
vendor/rails/activerecord/lib/active\_record/connection\_adapters/  
abstract/query\_cache.rb:33:in `cache' vendor/rails/activerecord/lib/active_record/query_cache.rb:8:in `cache’  
vendor/rails/actionpack/lib/action\_controller/caching/sql\_cache.rb:  
12:in `perform_action' vendor/rails/actionpack/lib/action_controller/base.rb:529:in `send’  
vendor/rails/actionpack/lib/action\_controller/base.rb:529:in  
`process_without_filters' vendor/rails/actionpack/lib/action_controller/filters.rb:569:in `process\_without\_session\_management\_support’  
vendor/rails/actionpack/lib/action\_controller/session\_management.rb:  
130:in `process' vendor/rails/actionpack/lib/action_controller/base.rb:389:in `process’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:149:in  
`handle_request' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:107:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:104:in  
`synchronize' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:104:in `dispatch’  
vendor/rails/actionpack/lib/action\_controller/dispatcher.rb:120:in  
`dispatch_cgi' vendor/rails/actionpack/lib/action_controller/dispatcher.rb:35:in `dispatch’  
vendor/rails/railties/lib/webrick\_server.rb:112:in `handle_dispatch' vendor/rails/railties/lib/webrick_server.rb:78:in `service’  
/usr/lib/ruby/1.8/webrick/httpserver.rb:104:in `service' /usr/lib/ruby/1.8/webrick/httpserver.rb:65:in `run’  
/usr/lib/ruby/1.8/webrick/server.rb:173:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:162:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:162:in `start_thread' /usr/lib/ruby/1.8/webrick/server.rb:95:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:92:in `each' /usr/lib/ruby/1.8/webrick/server.rb:92:in `start’  
/usr/lib/ruby/1.8/webrick/server.rb:23:in `start' /usr/lib/ruby/1.8/webrick/server.rb:82:in `start’  
vendor/rails/railties/lib/webrick\_server.rb:62:in `dispatch' vendor/rails/railties/lib/commands/servers/webrick.rb:66 /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem\_original\_require’  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:31:in `require' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/activesupport/lib/active\_support/dependencies.rb:354:in  
`new_constants_in' vendor/rails/activesupport/lib/active_support/dependencies.rb:509:in `require’  
vendor/rails/railties/lib/commands/server.rb:39  
/usr/lib/ruby/1.8/rubygems/custom\_require.rb:31:in  
`gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require’  
script/server:3

Request

Parameters:

None

Show session dump

* * *

user\_credentials:  
e80ccd0df823931b60f05b220c5c3b30011dd4a83687871794bc1b04fd4a5f4fc6a3c823366ab80747139a72cdc26b1801109357a57e6474bb07d6a1fc21afd9  
:csrf\_id: 6b5ad68708dd57c6e2434bfbd71f3438  
:return\_to:  
user\_credentials\_id: 1  
flash: !map:ActionController::Flash::FlashHash {}

Response

Headers:

{“Content-Type”=\>“text/html”,  
“cookie”=\>[],  
“Cache-Control”=\>“no-cache”}

######################################################################

---

<div class="post-metadata">

**Author:** ![tyoc](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/a88e57/32.png) [@tyoc](https://www.ruby-forum.com/u/tyoc)\
**Post date:** [October 2, 2009, 3:50am UTC](https://www.ruby-forum.com/t/undefined-local-variable-or-method-new-new-path-in-an-scaffold/176554/2 "2009-10-02T03:50:51Z")

</div>

On Thu, 2009-10-01 at 16:56 -0700, tyoc wrote:

> Hi there people.
> 
> My problem come after creating an scaffold like
> 
> $ script/generate scaffold New title:string content:text
> 
> I dont know what is the possible cause for this, so when I go to  
> [http://127.0.0.1:3000/news](http://127.0.0.1:3000/news) I get this error:

Pick another name for your model. ‘new’ has meaning to Rails.

HTH,  
Bill

---

<div class="post-metadata">

**Author:** ![tyoc](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/a88e57/32.png) [@tyoc](https://www.ruby-forum.com/u/tyoc)\
**Post date:** [October 6, 2009, 8:01pm UTC](https://www.ruby-forum.com/t/undefined-local-variable-or-method-new-new-path-in-an-scaffold/176554/3 "2009-10-06T20:01:03Z")

</div>

That is, I have selected to map another name as news for have a “news”  
route.