Rails - Feb 2014 - Ruby 2.0 / Rails 4 respond_to produces ActionController::UnknownFormat

Hello all,

 

I am stumped by this issue I am having. I have created a new method in my 
routes file that I want to have accessible via javascript. Right now, I am 
getting the following error when I try to access the action:

ActionController::UnknownFormat (ActionController::UnknownFormat

Here is my environment:

 

routes:

  resources :homes do
    collection do
      get 'set_active'
    end
  end

controller

 

  def set_active
    @home = Home.find(params[:id])
    respond_to do |format|
      format.js
    end
  end

index page:

<%= link_to home.status, set_active_homes_path(id: home.id), remote: true
%>

If i take out the respond to in the set_active action, it complains of a 
missing template even though I have a set_active.js file in the 
views/homes. This leads me to believe the respond_to block is the issue and 
not the fact that I am sending the JS format from the URL. It looks like 
this action is only responding to html even though i have put remote: true 
in the link_to. I am trying to understand what I am missing.

 

I did google around and the only thing I saw was that the js mime-type was 
not available by default and to add it to the mime-types initializer. But 
when i did that, rails said that it was already initialized.

 

Am I missing something to be able to add JS/JQuery support?

 

Thanks in advance

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