It seems to be a side effect of NUTCH-169 (remove static NutchConf). Prior to this, the language identifier was a singleton. I think we should cache its instance in the conf as we do for many others objects in Nutch. Enrico, could you please create a JIRA issue.
Thanks Jérôme -- http://motrech.free.fr/ http://www.frutch.org/
