[one-users] login error

[Matthias Pauer]

Hello,

we've installed opennebula-2.2 from source on ubuntu 10.10 as described in 
your documentation.

On one of our systems we get the following error if we try to login to 
sunstone:

NameError: uninitialized constant Rack::Multipart
        /var/lib/gems/1.8/gems/rack-1.3.0/lib/rack/request.rb:306:in 
`parse_multipart'
        /var/lib/gems/1.8/gems/rack-1.3.0/lib/rack/request.rb:182:in `POST'
        /var/lib/gems/1.8/gems/rack-1.3.0/lib/rack/methodoverride.rb:15:in 
`call'
        /var/lib/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1272:in 
`call'
        /var/lib/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1303:in 
`synchronize'
        /var/lib/gems/1.8/gems/sinatra-1.2.6/lib/sinatra/base.rb:1272:in 
`call'
        /var/lib/gems/1.8/gems/rack-1.3.0/lib/rack/lint.rb:48:in `_call'
        /var/lib/gems/1.8/gems/rack-1.3.0/lib/rack/lint.rb:36:in `call'
        /var/lib/gems/1.8/gems/rack-1.3.0/lib/rack/showexceptions.rb:24:in 
`call'
        /var/lib/gems/1.8/gems/rack-1.3.0/lib/rack/commonlogger.rb:18:in 
`call'
        /usr/lib/ruby/1.8/rack/content_length.rb:13:in `call'
        /usr/lib/ruby/1.8/rack/chunked.rb:15:in `call'
        /usr/lib/ruby/1.8/thin/connection.rb:76:in `pre_process'
        /usr/lib/ruby/1.8/thin/connection.rb:74:in `catch'
        /usr/lib/ruby/1.8/thin/connection.rb:74:in `pre_process'
        /usr/lib/ruby/1.8/thin/connection.rb:57:in `process'
        /usr/lib/ruby/1.8/thin/connection.rb:42:in `receive_data'
        /usr/lib/ruby/1.8/eventmachine.rb:257:in `run_machine'
        /usr/lib/ruby/1.8/eventmachine.rb:257:in `run'
        /usr/lib/ruby/1.8/thin/backends/base.rb:57:in `start'
        /usr/lib/ruby/1.8/thin/server.rb:156:in `start'
        /usr/lib/ruby/1.8/rack/handler/thin.rb:14:in `run'
        /usr/lib/ruby/1.8/rack/server.rb:155:in `start'
        /usr/lib/ruby/1.8/rack/server.rb:83:in `start'
        /usr/bin/rackup:4

What have we done wrong?

Thanks in advance for your help!