rabbitnq problem

 List<QueueEntry> items = new ArrayList<QueueEntry>();


        GetResponse response = null;
        long msgtime = 0;

        try {

            do {

                response = channel.basicGet(queuename, true);



                if (response == null) {
                    //no message. k.
                    System.out.println("No msg");
                } else {
                    AMQP.BasicProperties props = response.getProps();
                    byte[] body = response.getBody();
                    msgtime = props.getTimestamp().getTime();
                    System.out.println("Msgtime:" + msgtime);
                    items.add(new QueueEntry(body));
                    //channel.basicAck(response.getEnvelope().getDeliveryTag(), true);

                }
            } while (response != null && msgtime <= curtime);
        }
        catch (IOException e) {
            e.printStackTrace();
        }
        return items;