Jquery-ui doesn't work on Heroku, but on localhost yes

Question

I have an app and I use there the autocomplete gem. It works me great on localhost. But when I deploy this app to Heroku, the autocomplete plugin doesn't works me. No errors in Firebug, just nothing.

Does anyone an idea, where could be a problem? This is how look my Gemfile:

source 'http://rubygems.org'

gem 'rails', '3.1.2'

# Bundle edge Rails instead:
# gem 'rails',     :git => 'git://github.com/rails/rails.git'

gem 'mysql2'
gem "rvm", "~> 1.9.2"
gem 'authlogic'
gem "rake", "0.8.7"
gem 'json'
gem "declarative_authorization", "~> 0.5.3"
gem "ancestry", "~> 1.2.4"
gem "taps", "~> 0.3.23"
gem "paperclip", "~> 2.4.5"
gem 'aws-s3'
gem "awesome_print", "~> 1.0.1"
gem 'actionmailer'
gem 'wkhtmltopdf-binary'
gem 'rails3-jquery-autocomplete'

# Gems used only for assets and not required
# in production environments by default.
group :assets do
  gem 'sass-rails',   '~> 3.1.5.rc.2'
  gem 'coffee-rails', '~> 3.1.1'
  gem 'uglifier', '>= 1.0.3'
end

group :production do
  gem 'therubyracer-heroku', '0.8.1.pre3'
  gem 'pg'
end



gem 'jquery-rails'

# To use ActiveModel has_secure_password
# gem 'bcrypt-ruby', '~> 3.0.0'

# Use unicorn as the web server
# gem 'unicorn'

# Deploy with Capistrano
# gem 'capistrano'

# To use debugger
# gem 'ruby-debug'

I just precompiled assets and it's "working" - I am getting now the error ActiveRecord::StatementInvalid (PGError: ERROR: function lower(integer) does not exist - but how can I to write my own search method for this gem ? — user984621
– user984621, Commented Dec 30, 2011 at 1:24
you should create a separate question, but it depends how you're using this. It implies you're trying to search on an integer column? — Matthew Rudy
– Matthew Rudy, Commented Dec 30, 2011 at 1:39
@MatthewRudy I created a new topic , because this is a new problem. I think there is needed a separate query, but I don't know where the query put it. — user984621
– user984621, Commented Dec 30, 2011 at 1:46

notaceo · Accepted Answer · 2013-09-19 20:37:29Z

For anyone coming here from Google - I searched and searched - finally - in my case the answer turned out the be the include directive in app/assets/application.js:

// WARNING: THE FIRST BLANK LINE MARKS THE END OF WHAT'S TO BE PROCESSED, ANY BLANK LINE SHOULD
// GO AFTER THE REQUIRES BELOW.
//
**//= require jquery_ujs**
//= require excanvas.min
//= require bootstrap.min

I added the ** fyi

When you take OUT that line, because you have jquery-rails gem installed (you do have jquery-rails installed right?) then run:

RAILS_ENV=production bundle exec rake assets:precompile:all

At your shell in your Rails app's root directory (I'm spelling everything out here cause a lot of times people don't explicitly state everything in their comments!)

You shouldn't get any errors - it's that :all at the end that was revealing the jquery / jquery_ujs errors.

If you just type:

bundle exec rake assets:precompile

You probably won't get any errors - but jquery won't work either (this is the part that tripped me out).

When I found another comment on SO that said to add :all and it would reveal jquery erros - viola! - it told me stuff wasn't right.

So finally removing the jquery_ujs (which was documented as DON'T REMOVE THIS ON PAIN OF DEATH in other places...) and compiling and then running unicorn as though I'm in production - it works great.

The bonus of course is now that you have your assets compiled you can throw that folder up on Amazon S3, open a CloudFront account, use something like asset_sync gem - and reduce the load even more on Heroku's dynos.

BALLER

Mike McCallen · Accepted Answer · 2015-01-22 21:18:03Z

0

In my case i had to delete this plugin from my gem file gem 'sprockets_better_errors'

answered Jan 22, 2015 at 21:18

Mike McCallen

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