[jira] [Created] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Christian Karnath (JIRA)" <ji...@apache.org>]

Christian Karnath created DTACLOUD-258:
------------------------------------------

             Summary: 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


When requesting /api/hardware_profiles the following error occurs: 
NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:

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[jira] [Assigned] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Marios Andreou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DTACLOUD-258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marios Andreou reassigned DTACLOUD-258:
---------------------------------------

    Assignee: Marios Andreou
    
> 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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[jira] [Comment Edited] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Christian Karnath (JIRA)" <ji...@apache.org>]

    [ 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'
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	/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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[jira] [Comment Edited] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Christian Karnath (JIRA)" <ji...@apache.org>]

    [ 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 10:49 AM:
---------------------------------------------------------------------

Hi Marios, 

I am running Ruby 1.8.7 and in this issue i am 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!'
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	/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 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
                  
> 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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[jira] [Commented] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Christian Karnath (JIRA)" <ji...@apache.org>]

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

Christian Karnath commented on DTACLOUD-258:
--------------------------------------------

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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[jira] [Commented] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Christian Karnath (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DTACLOUD-258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13411349#comment-13411349 ] 

Christian Karnath commented on DTACLOUD-258:
--------------------------------------------

The issue is resolved with the patch, thanks 
                
> 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
>         Attachments: 0001-Fix-for-JIRA-DTACLOUD_258-opennebula-xml-sent-back-f.patch
>
>
> When requesting /api/hardware_profiles the following error occurs: 
> NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:

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[jira] [Closed] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Marios Andreou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DTACLOUD-258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marios Andreou closed DTACLOUD-258.
-----------------------------------


fix pushed to master, commit hash: 64ad28040cb85a143741b16657d592d80bdfcab9

thanks to Christian Karnath for reporting this issue and testing the resolution.
                
> 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
>         Attachments: 0001-Fix-for-JIRA-DTACLOUD_258-opennebula-xml-sent-back-f.patch
>
>
> When requesting /api/hardware_profiles the following error occurs: 
> NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:

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[jira] [Resolved] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Marios Andreou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DTACLOUD-258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marios Andreou resolved DTACLOUD-258.
-------------------------------------

    Resolution: Fixed

waiting for testing before commiting this change as fixed and closing the issue
                
> 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
>         Attachments: 0001-Fix-for-JIRA-DTACLOUD_258-opennebula-xml-sent-back-f.patch
>
>
> When requesting /api/hardware_profiles the following error occurs: 
> NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:

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[jira] [Updated] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Marios Andreou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DTACLOUD-258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marios Andreou updated DTACLOUD-258:
------------------------------------

    Attachment: 0001-Fix-for-JIRA-DTACLOUD_258-opennebula-xml-sent-back-f.patch

Hi Christian,

ok - so this one I could reproduce. As with https://issues.apache.org/jira/browse/DTACLOUD-257 it seems to be an incompatibility issue with the version of ON OCCI endpoint running at http://occi.c12g.com and the current version of the ON driver in Deltacloud. I'll be pinging the ON guys to see what their plans are wrt to our driver. In the meantime  the attached patch should resolve this specific issue for you, thanks for taking the time, 

all the best, marios

==========

more detail/debug info:

xml returned for get('/instance_type?verbose=yes') in lib/deltacloud/drivers/opennebula/occi_client.rb 71     def get_instance_types looks like:

"<INSTANCE_TYPE_COLLECTION><INSTANCE_TYPE href=\"http://:4567/instance_type/large\" name=\"large\"><ID>large</ID><NAME>large</NAME><CPU>8</CPU><MEMORY>8192</MEMORY></INSTANCE_TYPE><INSTANCE_TYPE href=\"http://:4567/instance_type/medium\" name=\"medium\"><ID>medium</ID><NAME>medium</NAME><CPU>4</CPU><MEMORY>4096</MEMORY></INSTANCE_TYPE><INSTANCE_TYPE href=\"http://:4567/instance_type/small\" name=\"small\"><ID>small</ID><NAME>small</NAME><CPU>1</CPU><MEMORY>1024</MEMORY></INSTANCE_TYPE></INSTANCE_TYPE_COLLECTION>"

Two things to notice - 

1. there is no 'STORAGE' or 'ARCHITECTURE' - these may have been present previously as the driver was trying to capture them

2. The xml parsing previously was like "elem['CPU']" - but I had to change this to "elem['CPU'].text" to grab the actual values.


                
> 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
>         Attachments: 0001-Fix-for-JIRA-DTACLOUD_258-opennebula-xml-sent-back-f.patch
>
>
> When requesting /api/hardware_profiles the following error occurs: 
> NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:

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[jira] [Commented] (DTACLOUD-258) opennebula driver requesting /api/hardware_profiles

["Marios Andreou (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DTACLOUD-258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13409251#comment-13409251 ] 

Marios Andreou commented on DTACLOUD-258:
-----------------------------------------

Hi Christan - I can't immediately reproduce the issue you are hitting. Can I get more info please? I am running ruby 1.8.7 - /api/hardware_profiles is fine for me with both cURL and the HTML UI as client. Also I tried this with both ec2 and mock drivers. 

Which client did you use, against which driver. Also the full stack trace for that error you get will be helpful.

marios
                
> 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
>
> When requesting /api/hardware_profiles the following error occurs: 
> NoMethodError - undefined method `<=>' for <CPU> ... </>:REXML::Element:

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