Rails-4, ExecJS::ProgramError in Pages#welcome

Question

I am trying to add login-logout functionality to my rails app. For that I added bcrypt gem for password encryption and also access controller. Now when I run it

Answer 1

Just commenting this line in the above code segment solved my problem.

<%=j avascript_include_tag 'application', 'data-turbolinks-track'=>true %> 

Not sure if this is a preferred solution but certainly helped me move forward.