Chuck Lauer Vose edited this page Aug 4, 2014 · 24 revisions

Common issues with Spork, and how to overcome.

It’s faster, but not much. (Rails 2.3)


Database connections don’t work inside of Spork

If you’re using ActiveRecord and Rails, Spork will automatically reconnect to the database. However, if you’re not using ActiveRecord, or if you’re doing some tricky stuff with connections, you’ll have to make sure your connections get re-established on each run. In your spec/spec_helper.rb file:

Spork.each_run do
  # Do your connection re-establishing here

Couldn’t find formatter class Spec::Runner::Formatter::TextMateFormatter

If you see this error message:

  Make sure the --require option is specified *before* --format

On one of our projects, many of us using TextMate with spork, only one developer got this error message while the rest of us ran just fine. I don’t know exactly why it happened, but requiring the textmate formatter in the prefork block made it go away, like this:

Spork.prefork do
  gem "rspec", "= 1.2.6"
  require 'spec'
  # ...
  require 'spec/runner/formatter/text_mate_formatter'
  # ...

uninitialized constant MissingSourceFile

This is kind of an issue with RSpec. See this ticket for more info:

Basically, just remove the unless defined?(RAILS_ROOT) from your spec/spec_helper.rb, and this should go away.

Some changes to files don’t take effect until I restart Spork.

Your file is getting preloaded in your prefork block. Anything in the prefork block is cached during the life of the spork server (this is what makes it run faster than otherwise). Run spork -d to help you find out which files are being preloaded, and why.

Some eager plugins (including latest version of Thinking Sphinx) load the contents of your app folder. You can see which by inspecting the output of spork -d > spork.log. See Kickstart Rspec with Spork for more details.

See Spork.trap_method Jujitsu for various solutions.

ERROR: Failed to build gem native extension.

You are using Ruby 1.9.2, and the bundled rake is not set up quite right.
locate your rake.gemspec file and delete it.

Shoulda FAILS with error like: undefined method ‘validate_presence_of’ for…

See this ticket and this StackOver flow post

Formtastic custom inputs not found by default

See the issue on the formtastic project for details

Workaround found by rmm5t is to load any custom input classes explicitly in the prefork block

Spork.prefork do
  # ...

  # Load all files under app/inputs. Neccesary to get Formtastic's custom inputs
  # to work in a Spork environment while config.cache_classes is set to true
  Dir["app/inputs/*_input.rb"].each { |f| require File.basename(f) }