IpProvider.java

private void registerEventListener(String id) {
   EventBus eventBus = vertx.eventBus();

   logger.info("Registering new event handler " + id);
   eventBus.consumer(id, message -> {
       logger.info(String.valueOf(message.body()));
       this.getInfo(String.valueOf(message.body()))
           .setHandler(s -> {
               message.reply(s.result());
               s.succeeded();
           });
   });
}