如果设置了ifunused=true,此时再去删除exchange,则会报错:
channel.queueBind(queueName, EXCHANGE_NAME, ROUTING_KEY);
channel.exchangeDelete(EXCHANGE_NAME, true);
fail("Exception expected if exchange in use");
如果设置了ifunused=true,此时再去删除exchange,则会报错:
channel.queueBind(queueName, EXCHANGE_NAME, ROUTING_KEY);
channel.exchangeDelete(EXCHANGE_NAME, true);
fail("Exception expected if exchange in use");