Ouch! Ape fall down go boom; details: Ape::ValidationError 
Ape::ValidationError 
/var/lib/gems/1.8/gems/ape-1.5.1/bin/../lib/ape/validators/service_document_validator.rb:11:in
`validate'/var/lib/gems/1.8/gems/ape-1.5.1/bin/../lib/ape.rb:68:in
`might_fail'/var/lib/gems/1.8/gems/ape-1.5.1/bin/../lib/ape.rb:59:in
`check'/var/lib/gems/1.8/gems/ape-1.5.1/bin/../lib/ape/handler.rb:31:in
`process'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:159:in
`process_client'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in
`each'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:158:in
`process_client'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`run'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`initialize'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`new'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:285:in
`run'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
`initialize'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
`new'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel.rb:268:in
`run'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:282:in
`run'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in
`each'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:281:in
`run'/var/lib/gems/1.8/gems/ape-1.5.1/bin/../lib/ape/server.rb:39:in
`cloaker_'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:50:in
`call'/var/lib/gems/1.8/gems/mongrel-1.1.5/lib/mongrel/configurator.rb:50:in
`initialize'/var/lib/gems/1.8/gems/ape-1.5.1/bin/../lib/ape/server.rb:21:in
`new'/var/lib/gems/1.8/gems/ape-1.5.1/bin/../lib/ape/server.rb:21:in
`run'/var/lib/gems/1.8/gems/ape-1.5.1/bin/ape_server:28/var/lib/gems/1.8/bin/ape_server:19:in
`load'/var/lib/gems/1.8/bin/ape_server:19