From: Kouhei Sutou <kou@...>
Date: 2008-04-20T09:41:41+09:00
Subject: Re: RSS::Parser only returns nil

Hi,

In <BFC9C8E5-60D9-4FEC-8788-8AAC11B92887@wearesakuzaku.com>
  "RSS::Parser only returns nil" on Thu, 17 Apr 2008 13:29:02 +0900,
  Cody Robbins <cody@wearesakuzaku.com> wrote:

> I am trying to use RSS::Parser to parse an RSS feed, like so:
> 
> require 'rss'
> require 'rss/parser'
> RSS::Parser.parse(open('http://www.macrumors.com/macrumors.xml').read)
> 
> This works exactly as advertised on my development machine, but on the  
> production machine RSS::Parser#parse only returns nil. Both machines  
> are running the same versions of Ruby, and I diffed the rss/ lib  
> directories on the two machines, and there are no differences (i.e.,  
> they have the exact same copies of the RSS library code).
> 
> The problem is not arising from trying to read the data from a URL. In  
> fact, nil is returned on the production machine whether the RSS is  
> read from a URL, a file, or entered directly as a string in the parse  
> call. The same nil result occurs with even a minimal RSS file.

Check your RSS Parser version what you're using on both
environments:

  % ruby -r rss -e 'puts RSS::VERSION'


Thanks,
--
kou