I'd not use Nutch for this, or any crawler. It's a feed and must be polled frequently. With simple scripting it's easy to fetch the tweets and dump them in some index.
> Hi, > > I'm interested in crawling twitter feeds and haven't tried any > implementation yet. Does anyone know if this is possible? I haven't > seen anything on our archives to suggest that people are having > problems with this. > > Thanks and happy NY to everyone when it comes around.

