Here you will find examples demonstrating Vert.x core in OSGi.
Vert.x core is packaged as an OSGi bundle that can be deployed in OSGi frameworks R4.2+. However, it requires Jackson and Netty to be deployed. Check the Vert.x core manual for further details.
A Bundle Activator exposing the Vert.x instance and the event bus as OSGi service.
An Apache Felix iPOJO component consuming the vertx service to create a HTTP server.
Verticles can be exposed as a service and consumed using a white-board pattern. Here is an example