`autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a l

Rails
1

I have installed

ruby 1.9.2p318 (2012-02-14 revision 34678) [i686-linux]
rails 3.2.2
gem 1.8.21

on ubuntu 10.04

when i created my first application and tried running it on server I
get the following error not sure how to proceed further…

/home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/execjs-1.3.0/lib/execjs/
runtimes.rb:50:in autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable) from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/execjs-1.3.0/lib/ execjs.rb:5:inmodule:ExecJS’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/execjs-1.3.0/lib/
execjs.rb:4:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee- script-2.2.0/lib/coffee_script.rb:1:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee-
script-2.2.0/lib/coffee_script.rb:1:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee- script-2.2.0/lib/coffee-script.rb:1:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee-
script-2.2.0/lib/coffee-script.rb:1:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee- rails-3.2.2/lib/coffee-rails.rb:1:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee-
rails-3.2.2/lib/coffee-rails.rb:1:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler/runtime.rb:68:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/
bundler/runtime.rb:68:in block (2 levels) in require' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler/runtime.rb:66:ineach’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/
bundler/runtime.rb:66:in block in require' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler/runtime.rb:55:ineach’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/
bundler/runtime.rb:55:in require' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler.rb:119:inrequire’
from /home/fakirbaba/mitin/railsprograms/firstapp/config/
application.rb:7:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/ lib/rails/commands.rb:53:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/
lib/rails/commands.rb:53:in block in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/ lib/rails/commands.rb:50:intap’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/
lib/rails/commands.rb:50:in <top (required)>' from script/rails:6:inrequire’
from script/rails:6:in `’

thanks

2

re installed gem
execjs (1.3.0)

3

Hi,

Install JavaScript runtime environment in your systems by using
following steps.

Add in Gemfile,

gem ‘execjs’
gem ‘therubyracer’

and run bundle install.

Rai M wrote in post #1053476:

I have installed

ruby 1.9.2p318 (2012-02-14 revision 34678) [i686-linux]
rails 3.2.2
gem 1.8.21

on ubuntu 10.04

when i created my first application and tried running it on server I
get the following error not sure how to proceed further…

/home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/execjs-1.3.0/lib/execjs/
runtimes.rb:50:in autodetect': Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable) from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/execjs-1.3.0/lib/ execjs.rb:5:inmodule:ExecJS’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/execjs-1.3.0/lib/
execjs.rb:4:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee- script-2.2.0/lib/coffee_script.rb:1:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee-
script-2.2.0/lib/coffee_script.rb:1:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee- script-2.2.0/lib/coffee-script.rb:1:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee-
script-2.2.0/lib/coffee-script.rb:1:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee- rails-3.2.2/lib/coffee-rails.rb:1:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee-
rails-3.2.2/lib/coffee-rails.rb:1:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler/runtime.rb:68:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/
bundler/runtime.rb:68:in block (2 levels) in require' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler/runtime.rb:66:ineach’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/
bundler/runtime.rb:66:in block in require' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler/runtime.rb:55:ineach’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/
bundler/runtime.rb:55:in require' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/ bundler.rb:119:inrequire’
from /home/fakirbaba/mitin/railsprograms/firstapp/config/
application.rb:7:in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/ lib/rails/commands.rb:53:inrequire’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/
lib/rails/commands.rb:53:in block in <top (required)>' from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/ lib/rails/commands.rb:50:intap’
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/
lib/rails/commands.rb:50:in <top (required)>' from script/rails:6:inrequire’
from script/rails:6:in `’

thanks

4

On 27 March 2012 07:13, Rai M [email protected] wrote:

re installed gem
execjs (1.3.0)

So has that fixed it? Not much point telling us you have re-installed
unless you tell us what the outcome was.

Colin

on ubuntu 10.04
/home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/execjs-1.3.0/lib/
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/coffee-
bundler/runtime.rb:68:in `block (2 levels) in require’
/home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/bundler-1.1.3/lib/
from /home/fakirbaba/.rvm/gems/ruby-1.9.2-p318/gems/railties-3.2.2/
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5

no the problem is still same…

6

add gem therubyracer in your gemfile,then check it.
for ubantu users it gives problem while fir window there is no such
problem.

regards
chitrank

7

I faced same issues. add these gem in assets group

gem ‘uglifier’
gem ‘therubyracer’

then run bundle install.

It works for me.

8

include this gem too in gem file and run bunlde install

gem ‘execjs’

9

sudo apt-get install nodejs
worked for me

10

unknown wrote in post #1096534:

sudo apt-get install nodejs
worked for me

Thanks , this worked for me and rails server is now up and running.

11

unknown wrote in post #1096534:

sudo apt-get install nodejs
worked for me

Thanks , this worked for me and rails server is now up and running.