Econe tools upload problem

Hi.
i´m trying to use the econe tools.

if i try to upload a image, i get the following error:

econe-upload TestSamstagDebian.iso
Digest::Digest is deprecated; use Digest
/usr/lib/ruby/vendor_ruby/curl/easy.rb:72:in perform': Server returned nothing (no headers, no data) (Curl::Err::GotNothingError) from /usr/lib/one/ruby/cloud/econe/EC2QueryClient.rb:254:inhttp_post’
from /usr/lib/one/ruby/cloud/econe/EC2QueryClient.rb:254:in upload_image' from /usr/bin/econe-upload:74:inblock (2 levels) in ‘
from /usr/lib/one/ruby/cli/command_parser.rb:449:in call' from /usr/lib/one/ruby/cli/command_parser.rb:449:inrun’
from /usr/lib/one/ruby/cli/command_parser.rb:76:in initialize' from /usr/bin/econe-upload:44:innew’
from /usr/bin/econe-upload:44:in `’

how can i solve this? can anybody help me ?
Thanks!

p.s.
and there a few more querstions:
which file formats can i upload ?

thanks

Hi,

Could you check if there is any error in econe logs (/var/log/one/econe.error|log)