I was using a clean RabbitMQ instalation with my Spring Boot app, where I seted up a topic and a queue to be created.

i am thinking that queue should be created either during app start up or either sending a message to the rabbit

The last one happend to me, the resources and the connection data started to show up in the RabbitMQ management page after, and only after I sent the first message. That might be the cause if someone is experiencing something like it.