[ 
https://issues.apache.org/jira/browse/DTACLOUD-258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13409301#comment-13409301
 ] 

Christian Karnath edited comment on DTACLOUD-258 at 7/9/12 10:05 AM:
---------------------------------------------------------------------

Hi Marios, 

I am running Ruby 1.8.7 and in this issue i'm requesting against the 
OpenNebula-Driver with cURL:
curl -H "X-Deltacloud-Driver: opennebula" -H "X-Deltacloud-Provider: 
http://occi.c12g.com"; -v -u xxx:yyy http://localhost:3001/api/hardware_profiles

Stack trace:
NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:264:in
 `<=>'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:264:in
 `sort_by'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:264:in
 `order_hardware_profiles'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./../../views/hardware_profiles/index.html.haml:6:in
 `evaluate_source'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/template.rb:144:in 
`cached_evaluate'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/template.rb:127:in 
`evaluate'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/haml.rb:24:in `evaluate'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/template.rb:76:in 
`render'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:636:in 
`render_without_format'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:32:in
 `render'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:532:in 
`haml'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:54:in
 `filter_all'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:92:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:92:in
 `respond_to'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:53:in
 `filter_all'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/rabbit_helper.rb:22:in
 `standard_index_operation'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-rabbit-1.0.5/lib/sinatra/./rabbit/base.rb:311:in
 `instance_eval'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-rabbit-1.0.5/lib/sinatra/./rabbit/base.rb:311:in
 `GET /api/hardware_profiles'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1211:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1211:in 
`compile!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:785:in 
`[]'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:785:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:801:in 
`route_eval'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:785:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:822:in 
`process_route'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:820:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:820:in 
`process_route'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:784:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:783:in 
`each'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:783:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:155:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-accept-0.4.4/lib/rack/accept/context.rb:22:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_driver_select.rb:45:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_matrix_params.rb:104:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_etag.rb:41:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_date.rb:31:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/commonlogger.rb:20:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1334:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1416:in 
`synchronize'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1334:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/urlmap.rb:64:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/urlmap.rb:49:in `each'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/urlmap.rb:49:in `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_driver_select.rb:45:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_matrix_params.rb:104:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/builder.rb:134:in `call'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:80:in 
`pre_process'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:78:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:78:in 
`pre_process'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in 
`spawn_threadpool'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in 
`initialize'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in 
`new'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in 
`spawn_threadpool'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1049:in 
`defer'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:50:in 
`process'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:38:in 
`receive_data'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in 
`run_machine'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in 
`run'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/backends/base.rb:61:in 
`start'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/server.rb:159:in `start'
        
/usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/controllers/controller.rb:86:in 
`start'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/runner.rb:185:in `send'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/runner.rb:185:in 
`run_command'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/runner.rb:151:in `run!'
        /usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/bin/deltacloudd:239
        /usr/bin/deltacloudd:19:in `load'
        /usr/bin/deltacloudd:19
                
      was (Author: karnath):
    Hi Marios, 

I'm using Ruby 1.8.7 and in this issue i'm requesting against the 
OpenNebula-Driver with cURL:
curl -H "X-Deltacloud-Driver: opennebula" -H "X-Deltacloud-Provider: 
http://occi.c12g.com"; -v -u xxx:yyy http://localhost:3001/api/hardware_profiles

Stack trace:
NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:264:in
 `<=>'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:264:in
 `sort_by'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:264:in
 `order_hardware_profiles'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./../../views/hardware_profiles/index.html.haml:6:in
 `evaluate_source'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/template.rb:144:in 
`cached_evaluate'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/template.rb:127:in 
`evaluate'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/haml.rb:24:in `evaluate'
        /usr/lib/ruby/gems/1.8/gems/tilt-1.3.3/lib/tilt/template.rb:76:in 
`render'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:636:in 
`render_without_format'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:32:in
 `render'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:532:in 
`haml'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:54:in
 `filter_all'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:92:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:92:in
 `respond_to'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/deltacloud_helper.rb:53:in
 `filter_all'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/./helpers/rabbit_helper.rb:22:in
 `standard_index_operation'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-rabbit-1.0.5/lib/sinatra/./rabbit/base.rb:311:in
 `instance_eval'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-rabbit-1.0.5/lib/sinatra/./rabbit/base.rb:311:in
 `GET /api/hardware_profiles'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1211:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1211:in 
`compile!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:785:in 
`[]'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:785:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:801:in 
`route_eval'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:785:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:822:in 
`process_route'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:820:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:820:in 
`process_route'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:784:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:783:in 
`each'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:783:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:766:in 
`forward'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:835:in 
`route_missing'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:796:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:792:in 
`route!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:886:in 
`dispatch!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:871:in 
`invoke'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:719:in 
`call!'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:705:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_accept.rb:155:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        
/usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/showexceptions.rb:21:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-accept-0.4.4/lib/rack/accept/context.rb:22:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_driver_select.rb:45:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_matrix_params.rb:104:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_etag.rb:41:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_date.rb:31:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/commonlogger.rb:20:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/nulllogger.rb:9:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/head.rb:9:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1334:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1416:in 
`synchronize'
        /usr/lib/ruby/gems/1.8/gems/sinatra-1.3.2/lib/sinatra/base.rb:1334:in 
`call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/urlmap.rb:64:in `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/urlmap.rb:49:in `each'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/urlmap.rb:49:in `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_driver_select.rb:45:in
 `call'
        
/usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/lib/deltacloud/../sinatra/rack_matrix_params.rb:104:in
 `call'
        /usr/lib/ruby/gems/1.8/gems/rack-1.4.1/lib/rack/builder.rb:134:in `call'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:80:in 
`pre_process'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:78:in 
`catch'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:78:in 
`pre_process'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in 
`call'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1060:in 
`spawn_threadpool'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in 
`initialize'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in 
`new'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1057:in 
`spawn_threadpool'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:1049:in 
`defer'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:50:in 
`process'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/connection.rb:38:in 
`receive_data'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in 
`run_machine'
        
/usr/lib/ruby/gems/1.8/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in 
`run'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/backends/base.rb:61:in 
`start'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/server.rb:159:in `start'
        
/usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/controllers/controller.rb:86:in 
`start'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/runner.rb:185:in `send'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/runner.rb:185:in 
`run_command'
        /usr/lib/ruby/gems/1.8/gems/thin-1.3.1/lib/thin/runner.rb:151:in `run!'
        /usr/lib/ruby/gems/1.8/gems/deltacloud-core-1.0.0/bin/deltacloudd:239
        /usr/bin/deltacloudd:19:in `load'
        /usr/bin/deltacloudd:19
                  
> opennebula driver requesting /api/hardware_profiles
> ---------------------------------------------------
>
>                 Key: DTACLOUD-258
>                 URL: https://issues.apache.org/jira/browse/DTACLOUD-258
>             Project: DeltaCloud
>          Issue Type: Bug
>          Components: Server
>         Environment: ruby1.8, deltacloud-core-1.0.0, deltacloud-core-head
>            Reporter: Christian Karnath
>            Assignee: Marios Andreou
>
> When requesting /api/hardware_profiles the following error occurs: 
> NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:

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