output

0:activesupport:[no_fork_issue]$ jruby -v
jruby 9.0.0.0-SNAPSHOT (2.2.2) 2015-04-21 891f12e Java HotSpot(TM) 64-Bit Server VM 25.31-b07 on 1.8.0_31-b13 +jit [darwin-x86_64]
0:activesupport:[no_fork_issue]$ jruby -S gem install bundler
RuntimeError:

	you might need to reinstall the gem which depends on the missing jar or in case there is Jars.lock then JARS_RESOLVE=true will install the missing jars

no such file to load -- org/yaml/snakeyaml/1.14/snakeyaml-1.14 (LoadError)
   do_require at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/jar_dependencies.rb:261
  require_jar at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/jar_dependencies.rb:207
  require_jar at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/jar_dependencies.rb:270
        <top> at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/psych_jars.rb:5
      require at org/jruby/RubyKernel.java:966
       (root) at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1
        <top> at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:54
      require at org/jruby/RubyKernel.java:966
       (root) at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/psych.rb:3
       (root) at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:1
      require at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb:54
    load_yaml at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems.rb:609
    load_file at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems/config_file.rb:328
   initialize at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems/config_file.rb:197
        <top> at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/lib/ruby/stdlib/rubygems/gem_runner.rb:74
         load at org/jruby/RubyKernel.java:984
        <top> at /Users/alex/.rubies/jruby-9.0.0.0-SNAPSHOT/bin/gem:4