Exchange should be declared durable irregardless of whether it's declared by the producer or consumer (bug surfaced when having -x 0 and then in a separate client doing -y 0).

Author: Matthew Sackman

test/src/com/rabbitmq/examples/MulticastMain.java

@@ -124,7 +124,7 @@ public static void main(String[] args) {
                 producerConnections[i] = conn;
                 Channel channel = conn.createChannel();
                 if (producerTxSize > 0) channel.txSelect();
-                channel.exchangeDeclare(exchangeName, exchangeType);
+                channel.exchangeDeclare(exchangeName, exchangeType, false, true, true, null);
                 Thread t = 
                     new Thread(new Producer(channel, exchangeName, id,
                                             flags, producerTxSize,