[rabbitmq-discuss] How to persist message when mq server restarts?
cheepu
shammi at arosys.com
Fri Mar 16 10:18:00 GMT 2012
Hi,
I am using RabbitMQ2.7 and having following code for the Publisher
public void producer(String message,int noOfMessage) {
try {
String exchangeType = "direct";
boolean durable = true;
channel = mqConnection.createChannel();
channel.exchangeDeclare(exchangeName, exchangeType, durable);
channel.queueDeclare(queueName, durable, false, false, null);
channel.queueBind(queueName, exchangeName, routekeyName);
channel.basicQos(1);
QueueingConsumer consumer = new QueueingConsumer(channel);
channel.basicConsume(queueName, false, consumer); //false
AMQP.BasicProperties props = new AMQP.BasicProperties();
props.builder().type("application/octet-stream").deliveryMode(2).build();
int counter = 0;
while (counter++<noOfMessage) {
byte[] messageBodyBytes=message.getBytes();
channel.basicPublish(exchangeName, routekeyName, props,
messageBodyBytes);
logger.info("Message Published: "+counter+" "+message);
} // end of While
} catch (Exception e) {
logger.error("Exception "+e);
}
Messages are persistent when the server is running but when I restart the
server all the published messages are lost. For now there are no consumer
running.
As I know that for persistence of message queue should be durable and
deliveryMode should be 2 and I have configured that. What additional setting
needs to be done for the persistence of message even after the server goes
down?
Thanks
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