From: badboy <badboy@...>
Date: 2009-01-17T21:00:48+09:00
Subject: Re: open_uri.rb  -- 500 Internal Server Error

Vikas Gholap schrieb:
> Hello to all,
> I am using 'open-uri' & 'pp' ruby library, to open url and gather some
> data from given web page. But it throws following error
> 
> c:/ruby/lib/ruby/1.8/open-uri.rb:278:in `open_http': 500 Internal Server
> Error (
> OpenURI::HTTPError)
>         from c:/ruby/lib/ruby/1.8/open-uri.rb:617:in `buffer_open'
>         from c:/ruby/lib/ruby/1.8/open-uri.rb:164:in `open_loop'
>         from c:/ruby/lib/ruby/1.8/open-uri.rb:162:in `catch'
>         from c:/ruby/lib/ruby/1.8/open-uri.rb:162:in `open_loop'
>         from c:/ruby/lib/ruby/1.8/open-uri.rb:132:in `open_uri'
>         from c:/ruby/lib/ruby/1.8/open-uri.rb:519:in `open'
>         from c:/ruby/lib/ruby/1.8/open-uri.rb:30:in `open'
>         from openmyurl.rb:4
> 
> 
> source code openurl.rb is like-----
> 
> 
> require 'open-uri'
> require 'pp'
> 
> open('http://www.aflatune.com/') do |f|
>   # hash with meta information
>   pp  f.meta
> 
>   #
>   pp "Content-Type: " + f.content_type
>   pp "last modified" + f.last_modified.to_s
> 
>   no = 1
>   # print the first fifty lines
>   f.each do |line|
>     print "#{no}: #{line}"
>     no += 1
>     break if no > 50
>   end
> end
> 
> can any one give me solution to how to solve this problem?
looks like the aflatune-Webserver throws a 500 error if no User-Agent is 
set.

this works for me:
   open('http://www.aflatune.com/', 'User-Agent'=>'ruby')