couldn't start hello world

[Tensai Cirno]

Just wandering, what i'm doing wrong. Here log:

cirno@perfect-math-class:~$ cd Development/
cirno@perfect-math-class:~/Development$ mkdir goliath
cirno@perfect-math-class:~/Development$ cd goliath/
cirno@perfect-math-class:~/Development/goliath$ rvm 1.9.2
cirno@perfect-math-class:~/Development/goliath$ rvm gemset create
goliath
'goliath' gemset created (/home/cirno/.rvm/gems/ruby-1.9.2-
p180@goliath).
cirno@perfect-math-class:~/Development/goliath$ rvm gemset use goliath
Now using gemset 'goliath'
cirno@perfect-math-class:~/Development/goliath$ gem install goliath
Fetching: eventmachine-1.0.0.beta.3.gem (100%)
Building native extensions. This could take a while...
Fetching: em-synchrony-0.3.0.beta.1.gem (100%)
Fetching: http_parser.rb-0.5.1.gem (100%)
Building native extensions. This could take a while...
Fetching: log4r-1.1.9.gem (100%)
Fetching: rack-1.2.2.gem (100%)
Fetching: rack-contrib-1.1.0.gem (100%)
Fetching: rack-accept-media-types-0.9.gem (100%)
Fetching: rack-respond_to-0.9.8.gem (100%)
Fetching: async-rack-0.5.1.gem (100%)
Fetching: multi_json-0.0.5.gem (100%)
Fetching: goliath-0.9.0.gem (100%)
Successfully installed eventmachine-1.0.0.beta.3
Successfully installed em-synchrony-0.3.0.beta.1
Successfully installed http_parser.rb-0.5.1
Successfully installed log4r-1.1.9
Successfully installed rack-1.2.2
Successfully installed rack-contrib-1.1.0
Successfully installed rack-accept-media-types-0.9
Successfully installed rack-respond_to-0.9.8
Successfully installed async-rack-0.5.1
Successfully installed multi_json-0.0.5
Successfully installed goliath-0.9.0
11 gems installed
Installing ri documentation for eventmachine-1.0.0.beta.3...
Installing ri documentation for em-synchrony-0.3.0.beta.1...
Installing ri documentation for http_parser.rb-0.5.1...
Installing ri documentation for log4r-1.1.9...
Installing ri documentation for rack-1.2.2...
Installing ri documentation for rack-contrib-1.1.0...
Installing ri documentation for rack-accept-media-types-0.9...
Installing ri documentation for rack-respond_to-0.9.8...
Installing ri documentation for async-rack-0.5.1...
Installing ri documentation for multi_json-0.0.5...
Installing ri documentation for goliath-0.9.0...
Installing RDoc documentation for eventmachine-1.0.0.beta.3...
Installing RDoc documentation for em-synchrony-0.3.0.beta.1...
Installing RDoc documentation for http_parser.rb-0.5.1...
Installing RDoc documentation for log4r-1.1.9...
Installing RDoc documentation for rack-1.2.2...
Installing RDoc documentation for rack-contrib-1.1.0...
Installing RDoc documentation for rack-accept-media-types-0.9...
Installing RDoc documentation for rack-respond_to-0.9.8...
Installing RDoc documentation for async-rack-0.5.1...
Installing RDoc documentation for multi_json-0.0.5...
Installing RDoc documentation for goliath-0.9.0...
cirno@perfect-math-class:~/Development/goliath$ cat > goliath.rb <<EOF
> require 'goliath'
> class Hello < Goliath::API
> def response(env)
> [200, {}, "Hello World"]
> end
> end
> EOF
cirno@perfect-math-class:~/Development/goliath$ ruby goliath.rb -sv
/home/cirno/.rvm/gems/ruby-1.9.2-p180@goliath/gems/goliath-0.9.0/lib/
goliath/application.rb:49:in `run!': undefined method `new' for
Goliath:Module (NoMethodError)
from /home/cirno/.rvm/gems/ruby-1.9.2-p180@goliath/gems/goliath-0.9.0/
lib/goliath/application.rb:87:in `block in <module:Goliath>'
cirno@perfect-math-class:~/Development/goliath$ ruby --version
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux]

[Ilya Grigorik]

The filename should be hello.rb instead of goliath.rb. Not even sure what happens when you try to require yourself. :-)

[Mando Escamilla]

Tensai,

Goliath expects the name of the file you're running to match the class name.  If you rename 'goliath.rb' to 'hello.rb', you should be good to go.

--

Mando

[Tensai Cirno]

thanks, especially for fast reply :-)