Error — Authorisation

: Before a message is sent, the client checks if the user has Write permissions for that topic.

: Make sure your JAAS config (username/password/SSL) is correct, as authorization can't happen if the broker doesn't know who you are. Authorisation Error

The most common version of this is the TOPIC_AUTHORIZATION_FAILED error, which usually happens because a service account or user doesn't have the right permissions to write to a specific topic. : Before a message is sent, the client

Does this sound like the kind of feature you had in mind, or : Before a message is sent