gre/screenshot-webservice — Issue #6: Caching error-prone URL
Author: gre
Created: 2011-12-23 17:12:47+00:00
State: open

It happens some URL are never reachable. Maybe a `Either[Screenshot, Error]` in the cache can help to avoid the re-processing of a failed URL
Moreover, maybe we need to handle a max number of try per URL in that cache?