@@ -83,6 +83,7 @@ public static void main(String[] args) {
 
                     // Step 8. Receive the message.
                     ClientMessage messageReceived = messageConsumer.receive();
+                    messageReceived.acknowledge();
                     System.out.println("Received TextMessage:" + messageReceived.getStringProperty("prop"));
                 }
             }
Original file line number	Diff line number	Diff line change
`@@ -83,6 +83,7 @@ public static void main(String[] args) {`
`83`	`83`
`84`	`84`	`// Step 8. Receive the message.`
`85`	`85`	`ClientMessage messageReceived = messageConsumer.receive();`
	`86`	`+ messageReceived.acknowledge();`
`86`	`87`	`System.out.println("Received TextMessage:" + messageReceived.getStringProperty("prop"));`
`87`	`88`	`}`
`88`	`89`	`}`