Hi @rothek ,
I think what is happening here is that JCSMPFactory.createQueue(…) just creates the queue object in your app locally and not on the broker. You’ll need to call JCSMPSession.provision(…) to actually create it on the broker. More info on provision here
Sample code here: solace-samples-java-jcsmp/src/main/java/com/solace/samples/jcsmp/features/TopicToQueueMapping.java at master · SolaceSamples/solace-samples-java-jcsmp · GitHub