you should now see a bunch of messages showing up on the first terminal. A list of all the scripts that can be run can be found in https://github.com/esteve/ros2_java ...
NOTE: Swagger Core 2.X produces OpenApi 3.0 definition files. If you're looking for swagger 1.5.X and OpenApi 2.0, please refer to 1.5.X JAX-RS Setup and [Annotations ...