This error seems to occur a lot according to all the posts I've found on the web and especially here on stackoverflow. I understand that you need to install the gems execjs and rubyracer, restart your server and try again and the error should be resolved.
Now it's worth mentioning that I'm only starting out learning rails so I don't really understand all the concepts yet. Infact this is the first time I'm trying to run my own 'Hello World' rails app..
My system details are:
- Windows 8 64-bit
- ruby 1.9.3
- rails 3.2.11
also this is my gem list: