Rails - Feb 2012 - Ajax save: Completed 500 Internal Server Error NoMethodError

Rails 3.1.3

I get the following error when Ajax ''save'' action is executed.



Started POST "/scripts" for 127.0.0.1 at 2012-02-16 09:23:05 +0900
  Processing by ScriptsController#create as JS
  Parameters: {"utf8"=>"✓",
"authenticity_token"=>"9rMiPwxlQrXiAIgUy8Qqe77KXDezXmpLF4WLupZb5ME=",
"script"=>{"video_id"=>"18",
"startp"=>"37", "text"=>"eeeeee"},
"commit"=>"save"}
   (0.1ms)  SELECT 1 FROM "scripts" WHERE
"scripts"."startp" = 37 LIMIT
1
Completed 500 Internal Server Error in 15ms

NoMethodError (undefined method `script'' for
#<Script:0x00000103202868>):
  app/controllers/scripts_controller.rb:44:in `block in create''
  app/controllers/scripts_controller.rb:43:in `create''


It says ''NoMethodError'', but in the controller,


  def create
    @script = Script.new(params[:script])
    respond_to do |format|
      if @script.save                             #<=44: HERE!!!!!
        format.html { redirect_to @script, notice: ''Script was
successfully added.'' }
        format.json { render json: @script, status: :created, location:
@script }
      else
        format.html { render action: "new" }
      end
    end

''script'' is not defined?  I have no clue.

save.js.erb has the following.

    $(''#listtrans'').html(''<%=
escape_javascript(render :partial =>
"script_list", :locals => {:scripts => @video.scripts} )
%>'');

Does anyone have any clue?

soichi

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On 16 February 2012 00:32, Soichi Ishida
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> It says ''NoMethodError'', but in the controller,
>
>  def create
>    @script = Script.new(params[:script])
>    respond_to do |format|
>      if @script.save                             #<=44: HERE!!!!!
What does the Script model look like?

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On 16 February 2012 00:37, Michael Pavling
<pavling-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On 16 February 2012 00:32, Soichi Ishida
<lists-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
>> It says ''NoMethodError'', but in the controller,
>>
>>  def create
>>    @script = Script.new(params[:script])
>>    respond_to do |format|
>>      if @script.save                             #<=44: HERE!!!!!
>
> What does the Script model look like?
Don''t worry... I found it in your other thread.

I think your problem may be the validation in the Script:

class Script < ActiveRecord::Base
 belongs_to :video
 has_many :users

 validates :startp,
 :presence => true,
 :uniqueness => true,   #HERE!!!!
 :numericality => { :only_integer => true, :less_than => 1000}

 validates :script,
 :presence => true
end

The "validates :script, :presence => true" should be
"validates
:video" shouldn''t it? You don''t have another
"script" associated with
the script - hence the "undefined method `script'' for
#<Script>"
message

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Thanks! It is fine now!

soichi

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