How to Post a Json body from a java/jackson Object in Gatling 2

Gatling (Open-Source)
1

http://gatling.io/docs/2.0.3/http/http_request.html#regular-http-request

2

As Abhinav pointed out with the link, body method takes a Body object.

Then, you got some POJO when you derialized some JSON with Jackson. Why would the other way around be different?