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Showing posts from March, 2011

Rails 3 "couldn't parse YAML" error suddenly showing up

I have been developing on the latest Rails 3, Ruby 1.9.2 for a while. and suddenly in 2 projects I started to get this YAML loading error when I try to start my server or run the tests. bundler./home/mahmoud/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/psych.rb:148:in `parse': couldn't parse YAML at line 55 column 12 (Psych::SyntaxError) from /home/mahmoud/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/psych.rb:148:in `parse_stream' from /home/mahmoud/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/psych.rb:119:in `parse' from /home/mahmoud/.rvm/rubies/ruby-1.9.2-p0/lib/ruby/1.9.1/psych.rb:106:in `load' It turned out to be related to my recent upgrade of bundler to 1.0.10 After this update, my database.yml was not considered a valid YAML file. until I realized I have to put the special character values (for example: asd@#$asdf@$@) between double quotes. This fixed the problem for now I also came across another approach that basically will use a different YAML engine, This is wi