The requirement is that REST DSL need to accept "content-type: application/x-www-form-urlencoded".
In Camel 2.17 – available in Fuse 6.3 – a new attribute will be available on the HTTP endpoints:
mapHttpMessageBody=false
https://access.redhat.com/solutions/2247391
Using this attribute in REST DSL, but it does not work and there are errors.