Question

Every time i delete or destroy a Product it aways give me this error in my console:

ActiveRecord::RecordNotFound (Couldn't find Product with ID=4):
  app/controllers/products_controller.rb:16:in `show'

and on the page it gives:

ActiveRecord::RecordNotFound in ProductsController#show

Couldn't find Product with ID=4

In my Products Controller i just have the regular scaffold:

def show
    @product = Product.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @product }
    end
  end

def destroy
    @product = current_user.products.find(params[:id]) #current user deletes own
    @product.destroy

    respond_to do |format|
      format.html { redirect_to(products_url) }
      format.xml  { head :ok }
    end
  end

I am using Rails Jquery UJS and rails-jquery and have the csrf_meta_tagin my app layout. What i have noticed is when i click the destroy link and it pops up the window and says “Are you Sure”, i click the OK button and it flickers TWICE for some strange reason, it never did this until i installed Jquery. How do i fix this?

EDIT – ANSWER:

Reinstall rails jquery-ujs > https://github.com/rails/jquery-ujs

You have to keep both files jquery.min.js and jquery.js. I deleted the jquery.min.js because i thought it was a minimized version but apparently not, here are all of my files from jquery-ujs:

   jquery.js
   jquery.min.js
   jquery_ujs.js
   rails.js # i had to install this manually from the link (or zip file)
   jquery-ui # i wanted the user interface too

Answer 1

Make sure you have the rails.js file in javascripts? When you move from prototype to jquery, the standard restful DELETE doesn’t work properly anymore. rails.js fixes that so it works normally again. You can refer to Josh Huckabee’s article here: http://joshhuckabee.com/jquery-rails-3. Hopefully that helps.

PS: Also make sure you include rails.js in your layout. Something like this:

<%= javascript_include_tag 'jquery-1.4.4.min', 'jquery-ui-1.8.7.custom.min', 'rails', 'application' %>