thr3ads.net - Rails - Destroy Action [Oct 2008]

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Keith

2008-Oct-19 18:17 UTC

Destroy Action

Hi Everyone,

I have just created a destroy action in my controller, it was working
fine about 2 hours ago and now for some reason it has stopped working.
Once I click on destroy I receive  '' Unknown action No action
responded to destroy''. The action that I want it to redirect to is
''list'' and this action does work as I have another action that
redirects to ''list'' fine. Could anyone let me in to what I I
have done
wrong please...?

def list
      @albums = Album.find(:all)
      render(:action => ''album_list'')
     end

def destroy
        @album = Album.find(params[:id])
        @album.destroy
        redirect_to(:action =>''list'')
      end

And in my view I have

<% if @album != nil -%>
         ID:     <%= @album.id %><br/>
         Title:  <%= @album.title %> <br/>
         Artist: <%= @album.artist %><br/>
         Genre:  <%= @album.genre  %><br/>
      <%  else -%>
         No record found.

      <% end -%>
      <%= link_to(''Back'', :action =>
''alt_album_list'') %> |
      <%= link_to(''Edit'', :action =>
''edit'', :id => @album.id ) %> |
      <%= link_to(''Destroy'', {:action =>
''destroy'', id =>
@album.id}, :confirm => ''
        Are you sure?'') %>

When I go into the logs I get the following error message

Processing PublicController#destroy (for 127.0.0.1 at 2008-10-19
16:32:19) [GET]
  Session ID:
BAh7ByIKZmxhc2hJQzonQWN0aW9uQ29udHJvbGxlcjo6Rmxhc2g6OkZsYXNo
SGFzaHsABjoKQHVzZWR7ADoMY3NyZl9pZCIlZmFlNWMzZDcxOWY5OTM0Yzhk
ZDk0YTgwMDU4OWNkMDA=--5ecae299067ff9537732b80de514985b52f69fab
  Parameters: {"controller"=>"public",
"action"=>"destroy",
"id"=>"15"}


ActionController::UnknownAction (No action responded to destroy):
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/filters.rb:580:in
`call_filters''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/filters.rb:573:in
`perform_action_with_filters''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/benchmarking.rb:68:in
`perform_action_with_benchmark''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/1.8/benchmark.rb:
293:in `measure''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/benchmarking.rb:68:in
`perform_action_with_benchmark''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/rescue.rb:201:in
`perform_action_with_rescue''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/caching/sql_cache.rb:13:in
`perform_action_with_caching''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
activerecord-2.1.0/lib/active_record/connection_adapters/abstract/
query_cache.rb:33:in `cache''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
activerecord-2.1.0/lib/active_record/query_cache.rb:8:in `cache''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/caching/sql_cache.rb:12:in
`perform_action_with_caching''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/base.rb:529:in `process''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/filters.rb:569:in
`process_with_filters''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/session_management.rb:130:in
`process_with_session_management_support''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/base.rb:389:in `process''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/dispatcher.rb:149:in
`handle_request''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/dispatcher.rb:107:in `dispatch''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/dispatcher.rb:104:in
`synchronize''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/dispatcher.rb:104:in `dispatch''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/dispatcher.rb:120:in
`dispatch_cgi''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
actionpack-2.1.0/lib/action_controller/dispatcher.rb:35:in `dispatch''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
rails-2.1.0/lib/webrick_server.rb:112:in `handle_dispatch''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/gems/
rails-2.1.0/lib/webrick_server.rb:78:in `service''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/1.8/webrick/
httpserver.rb:104:in `service''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/1.8/webrick/
httpserver.rb:65:in `run''
    C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/1.8/webrick/
server.rb:173:in `start_thread''
    :1:in `start''

Rendering C:/Users/Keith/.netbeans/6.1/jruby-1.1/lib/ruby/gems/1.8/
gems/actionpack-2.1.0/lib/action_controller/templates/rescues/
layout.erb (not_found)


Has anyone came across this before? I have done  research on the
message and someone has the same problem and fixed it by going into
the following

This is a comment I found from another group


I got this error (ActionController::UnknownAction - No action
responded to ...), and I noticed it was because the link_to helper
generated bad URL''s (in the ":controller/:id/:action" format
rather
than ":controller/:action/:id").

The fix was to change the order of statements in the config/routes.rb
file; move my "map.resources" statements higher up in the file
(=higher priority).

Thanks everyone

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Baba Bobo

2008-Nov-21 06:36 UTC

head link

Re: Destroy Action

Moving "map.resources: highest did not work for me i moved 
map.resources :users to top but still my destroy method which was using 
:method => ''post'', did not work untill i add the following
in my
routes.rb under the map.resources :users

map.connect ''/users/:id/'', :controller =>
''users'', :action => ''destroy'',
:id => /\d+/

, so the new routes.rb (without comments #) looked like following:

ActionController::Routing::Routes.draw do |map|
 map.resources :users
 map.connect ''/users/:id/'', :controller =>
''users'', :action =>
''destroy'', :id => /\d+/

  map.connect '':controller/:action/:id''
  map.connect '':controller/:action/:id.:format''
end

I hope that helps


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Baba Bobo

2008-Nov-21 06:38 UTC

head link

Re: Destroy Action

Just tested even adding the following short version, also works fine:

map.connect ''/users/:id/'', :controller =>
''users'', :action => ''destroy''

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Baba Bobo

2008-Nov-21 06:56 UTC

head link

Re: Destroy Action

Baba Bobo wrote:> Just tested even adding the following short version, also works fine:
> 
> map.connect ''/users/:id/'', :controller =>
''users'', :action => ''destroy''
sorry just tested while this short version fixes the ''destroy''
method
but it breaks the ''new'' method so you will have to use the
above
mentioned full version which is:

map.connect ''/users/:id/'', :controller =>
''users'', :action => ''destroy'',
:id => /\d+/
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Rails - Oct 2008 - Destroy Action

Destroy Action

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