ActiveMQ: Strange Consumer Pattern

I am currently testing an application which uses ActiveMQ 5.15.10 and persistent messages. The messages come in from one producer and get dispatched to 10 consumers. The dispatching is based on message groups to ensure data consistency. I have configured a prefetching limit of 100 and a

AMQ229025: Cannot delete queue

Hello, Let's start with the message: === WARN [org.apache.activemq.artemis.protocol.amqp.proton.ProtonServerSenderContext] AMQ229025: Cannot delete queue e68d25b8-cfe7-4cda-bf13-cd8cbbb5e55f on binding e68d25b8-cfe7-4cda-bf13-cd8cbbb5e55f - it has consumers =