Multiple Scheduled Messages Not Firing

[tb0ne]

I ran into a scenario where I have multiple Scheduled Messages with a cron
string set to fire every minute that are created at different times. 
However, only one is firing every minute (cycles 0 to 9).  Is this as
intended?  

Here is some sample code to that generates the same behavior:

        String  url = "tcp://localhost:61616";
        ActiveMQConnectionFactory connectionFactory = new
ActiveMQConnectionFactory(null, null, url);
        Connection connection = connectionFactory.createConnection();
        Session session = connection.createSession(false,
Session.AUTO_ACKNOWLEDGE);
        connection.start();
        String cronEveryMinute = "* * * * *";
        for (int i = 0; i < 10; i++) {
            String queueName = "scheduled.test"+i;      
            Queue destination = session.createQueue(queueName); 
            MessageProducer producer = session.createProducer(destination);
            String msg = "Sample message for queue "+queueName;
            TextMessage message = session.createTextMessage(msg);
            message.setStringProperty(ScheduledMessage.AMQ_SCHEDULED_CRON,
cronEveryMinute);
            producer.send(message);
            producer.close();
            //wait a couple sec so cron start time is different for next job
            Thread.sleep(2000);
        }
        connection.close();
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