>irb
jruby-1.7.0.preview1 :001 > require 'yaml'
=> true
jruby-1.7.0.preview1 :002 > YAML::load_file('test.yml')
ArgumentError: syntax error in "<reader>", line 1, column 7:
test: @
^
from org/jruby/ext/psych/PsychParser.java:290:in `parse'
from /Users/tambellini/.rvm/rubies/jruby-1.7.0.preview1/lib/ruby/1.9/psych.rb:203:in `parse_stream'
from /Users/tambellini/.rvm/rubies/jruby-1.7.0.preview1/lib/ruby/1.9/psych.rb:151:in `parse'
from /Users/tambellini/.rvm/rubies/jruby-1.7.0.preview1/lib/ruby/1.9/psych.rb:127:in `load'
from /Users/tambellini/.rvm/rubies/jruby-1.7.0.preview1/lib/ruby/1.9/psych.rb:297:in `load_file'
from org/jruby/RubyIO.java:1113:in `open'
from /Users/tambellini/.rvm/rubies/jruby-1.7.0.preview1/lib/ruby/1.9/psych.rb:297:in `load_file'
from (irb):2:in `evaluate'
from org/jruby/RubyKernel.java:1037:in `eval'
from org/jruby/RubyKernel.java:1353:in `loop'
from org/jruby/RubyKernel.java:1146:in `catch'
from org/jruby/RubyKernel.java:1146:in `catch'
from /Users/tambellini/.rvm/rubies/jruby-1.7.0.preview1/bin/irb:17:in `(root)'