can't activate listen (~> 1.0), already activated listen-2.2.0

[jmuheim]

When simply adding gem 'listen' to my Gemfile, I get this:

josh@macbuech:~/Documents/Work/Sientia/tests/transition (features/devise *)$ spring rspec
/Users/josh/.rvm/gems/ruby-2.0.0-p353@global/gems/bundler-1.3.5/lib/bundler/rubygems_integration.rb:224:in `block in replace_gem': can't activate listen (~> 1.0), already activated listen-2.2.0. Make sure all dependencies are added to Gemfile. (Gem::LoadError)
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/watcher/listen.rb:1:in `<top (required)>'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/watcher.rb:17:in `require_relative'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/watcher.rb:17:in `watch_method='
    from /Users/josh/Documents/Work/Sientia/tests/transition/config/spring.rb:2:in `<top (required)>'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/commands.rb:39:in `require'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/commands.rb:39:in `<module:Spring>'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/commands.rb:3:in `<top (required)>'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/server.rb:18:in `require'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/server.rb:18:in `<top (required)>'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/client/run.rb:35:in `require'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/client/run.rb:35:in `block in boot_server'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/client/run.rb:34:in `fork'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/client/run.rb:34:in `boot_server'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/client/run.rb:18:in `call'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/client/command.rb:7:in `call'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/lib/spring/client.rb:23:in `run'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/gems/spring-1.0.0/bin/spring:31:in `<top (required)>'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/bin/spring:23:in `load'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/bin/spring:23:in `<main>'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/bin/ruby_executable_hooks:15:in `eval'
    from /Users/josh/.rvm/gems/ruby-2.0.0-p353@transition/bin/ruby_executable_hooks:15:in `<main>'

I had to explicitly specify gem 'listen' , '~> 1.0'.

[jonleighton]

Listen 2 is not supported at the moment, see #194.