openshift/crankcase — pull request #500 by mscherer (2012-09-18 18:13:12+00:00)
Title: Do not return a unclear error message if json_data is not set

Test with :
curl -d '' http://127.0.0.1:8080/broker/cartlist

While this should return a error message, the current code return
a ruby traceback, which is not helpful to understand what is going on.