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In Rubymine, Rails fails to load 'uglifier' gem

I have an issue while running Rails from Rubymine where it fails to load the uglifier gem with the stack below. Note that Node.js is installed on my Windows 7 computer.

From cmd.exe, 'rails s' works well : the web application starts.

From RubyMine run button, default configuration, I get the error : 

"C:\Program Files (x86)\JetBrains\RubyMine 8.0.2\bin\runnerw.exe" C:\tools\languages\RailsInstaller\Ruby2.2.0\bin\ruby.exe -e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift) C:/projects/perso/exercises/bin/rails server -b 127.0.0.1 -p 3000 -e development
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:80:in `rescue in block (2 levels) in require': There was an error while trying to load the gem 'uglifier'. (Bundler::GemRequireError)
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require'
    from C:/projects/perso/exercises/config/application.rb:7:in `<top (required)>'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:78:in `require'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:78:in `block in server'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `tap'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:75:in `server'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands/commands_tasks.rb:39:in `run_command!'
    from C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/railties-4.2.6/lib/rails/commands.rb:17:in `<top (required)>'
    from C:/projects/perso/exercises/bin/rails:4:in `require'
    from C:/projects/perso/exercises/bin/rails:4:in `<top (required)>'
    from -e:1:in `load'
    from -e:1:in `<main>'
Process finished with exit code 1

I get the same error from RubyMine terminal.

Here's some information on my environment from (same output from cmd.exe and RubyMine) :

>rails --version
Rails 4.2.6
>node --version
v0.10.22
>ruby --version
ruby 2.2.4p230 (2015-12-16 revision 53155) [i386-mingw32]

Ruby was installed using Rails Installer on a Windows 7 computer. Node.js is installed too, using official installer. RubyMine 8.0.4 (ultimate, not sure if there's a community version too)

I suspect an environment problem inside RubyMine in which rails/bundler/gem/? can't "see" Node.js, where cmd.exe can.

I think the error started when I tryed to start RubyMine debug mode.

Any idea on how to solve the issue ?

Thanks

Edit : some more information

My Gemfile : 

source 'https://rubygems.org'


gem 'rails', '4.2.6'
gem 'sqlite3'
gem 'sass-rails', '~> 5.0'
gem 'uglifier', '>= 1.3.0'
gem 'coffee-rails', '~> 4.1.0'

gem 'jquery-rails'
gem 'turbolinks'
gem 'jbuilder', '~> 2.0'
gem 'sdoc', '~> 0.4.0', group: :doc

gem 'bcrypt', '~> 3.1.7'

group :development, :test do
  gem 'byebug'
end

group :development do
  gem 'web-console', '~> 2.0'
end

gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]

rake tasks (for example to get the full error stack, note the ExecJS::RuntimeUnavailable: Could not find a JavaScript runtime. )

>rake tasks --trace
rake aborted!
Bundler::GemRequireError: There was an error while trying to load the gem 'uglifier'.
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:80:in `rescue in block (2 levels) in require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require'
C:/projects/perso/exercises/config/application.rb:7:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
C:/projects/perso/exercises/Rakefile:4:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:689:in `raw_load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:94:in `block in load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:93:in `load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:77:in `block in run'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/bin/rake:33:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/bin/rake:23:in `load'
C:/tools/languages/RailsInstaller/Ruby2.2.0/bin/rake:23:in `<main>'
ExecJS::RuntimeUnavailable: Could not find a JavaScript runtime. See https://github.com/rails/execjs for a list of available runtimes.
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/execjs-2.6.0/lib/execjs/runtimes.rb:48:in `autodetect'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/execjs-2.6.0/lib/execjs.rb:5:in `<module:ExecJS>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/execjs-2.6.0/lib/execjs.rb:4:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/uglifier-3.0.0/lib/uglifier.rb:5:in `require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/uglifier-3.0.0/lib/uglifier.rb:5:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:77:in `require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:77:in `block (2 levels) in require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `each'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:72:in `block in require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `each'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler/runtime.rb:61:in `require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/bundler-1.11.2/lib/bundler.rb:99:in `require'
C:/projects/perso/exercises/config/application.rb:7:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require'
C:/projects/perso/exercises/Rakefile:4:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/rake_module.rb:28:in `load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:689:in `raw_load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:94:in `block in load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:93:in `load_rakefile'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:77:in `block in run'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:176:in `standard_exception_handling'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/lib/rake/application.rb:75:in `run'
C:/tools/languages/RailsInstaller/Ruby2.2.0/lib/ruby/gems/2.2.0/gems/rake-11.1.2/bin/rake:33:in `<top (required)>'
C:/tools/languages/RailsInstaller/Ruby2.2.0/bin/rake:23:in `load'
C:/tools/languages/RailsInstaller/Ruby2.2.0/bin/rake:23:in `<main>'
Solution

  • I finally got it working, here's the context and solution if someone else has the same issue.

    I have defined a user scoped Path variable which was refering to my system Path as : 

    %Path%;C:\tools\…

    In RedMine, this %Path% was not interpreted anymore (don't know why). I saw it by typing in RubyMine Terminal : 

    echo %Path%

    The result was displaying "%Path%", not its content.

    I solved the problem by simply rebooting the computer.