JMS auto acknowledgment consumer processing happens in onMessage
问题 I am not able to understand the below point on JMS AutoAck website: The below behaviour is followed in AUTO_ACKNOWLEDGE Right after the onMessage method returns successfully after invoking the consumer's MessageListener (which might still in progress as per my understanding) but as per my understanding, the Consumer implements MessageListener and does all the processing in the onMessage() method (which is implemented by Consumer) One more question: I am not able to understand the diff between