Error when running rails app - ExecJS::RuntimeError

Question

I tried googling this and I haven\'t found an answer yet to my problem.

I am trying to run a simple controller script through rails and it is giving me this error wh

Answer 1

None of the above worked for me . . . I installed gem 'coffee-script-source', '1.8.0'.

Then application started running without any problem.

Answer 2

you have to install an additional gem for javascript. edit gemfile and add gem 'therubyracer'. You can then run bundle to install the new gem.

here is your solution in detail: http://www.railszilla.com/2011/12/rails-3-coffescript-execjs/

Answer 3

It looks like you might be missing a few gems.

Add to your Gemfile:

gem 'therubyracer'
gem 'execjs'

And then run $ bundle install to install them.

Answer 4

It happened to me too! You need to install "nodejs". As I work with Ubuntu Linux I did:

apt-get install nodejs 

Source: http://forums.pragprog.com/forums/148/topics/9665#posts-26576 (Sam Ruby's post)

Answer 5

If you are having this problem in production server this might be due to memory usage. while doing assets precompilation server use lot of memory.

consider restarting your production server. 

Answer 6

Seems like javascript runner is missing you just need to do

gem 'therubyracer'

then

 bundle install

then restart the server if you are using the production server then consider restart the production server.

It will definitely solve your problem,

cheers