Invalid gemspec in [/opt/local/lib/ruby/gems/1.8/specifications/json_pure-1.6.1.gemspec]: invalid date format in specification: "2011-09-18 00:00:00.000000000Z" Invalid gemspec in [/opt/local/lib/ruby/gems/1.8/specifications/webrobots-0.0.10.gemspec]: invalid date format in specification: "2011-07-01 00:00:00.000000000Z" *** 9224: client process *** 9224: Email.send_mail :pdf_invoice {:customer=>123, :to=>"user@email.com"}