I am facing problem in rails application running on fedora 16 Rails version 2.3.5 and Ruby 1.9.2.p320 . The application running fine on Ubuntu 11.10. When I run the rails server and Hit any controller the following error in coming.

Psych::SyntaxError in controllername#actionname

couldn't parse YAML

I have tried the apply the following trick but it's not work for me.

I have added the following line in config/boot.rb

require 'yaml'

YAML::ENGINE.yamler = 'syck'

the error trace is 

.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:148:in `parse'
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:148:in `parse_stream'
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:119:in `parse'
.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/psych.rb:106:in `load'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:189:in `load_yml'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:176:in `load_file'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:13:in `block in load_translations'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:13:in `each'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:13:in `load_translations'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:85:in `init_translations'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n/backend/simple.rb:74:in `available_locales'
.rvm/gems/ruby-1.9.2-p320@sunago/gems/activesupport-2.3.5/lib/active_support/vendor/i18n-0.1.3/lib/i18n.rb:50:in `available_locales'
.rvm/ge
ruby-on-rails yaml fedora
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