@Bean public RabbitTemplate rabbitTemplate(CachingConnectionFactory factory) { //若使用confirm-callback ,必须要配置publisherConfirms 为true factory.setPublisherReturns(true); //若使用return-callback,必须要配置publisherReturns为true factory.setPublisherReturns(true); RabbitTemplate rabbitTemplate = new RabbitTemplate(factory); //使用return-callback时必须设置mandatory为true,或者在配置中设置mandatory-expression的值为true rabbitTemplate.setMandatory(true); // 如果消息没有到exchange,则confirm回调,ack=false; 如果消息到达exchange,则confirm回调,ack=true rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() { @Override public void confirm(CorrelationData correlationData, boolean ack, String cause) { if(ack){ System.out.println("消息发送成功:correlationData({}),ack({}),cause({})"+correlationData+":"+ack+":"+cause); }else{ System.out.println("消息发送成功:correlationData({}),ack({}),cause({})"+correlationData+":"+ack+":"+cause); } } }); //如果exchange到queue成功,则不回调return;如果exchange到queue失败,则回调return(需设置mandatory=true,否则不回回调,消息就丢了) rabbitTemplate.setReturnsCallback(new RabbitTemplate.ReturnsCallback() { @Override public void returnedMessage(ReturnedMessage returnedMessage) { System.out.println("消息丢失:exchange({}),route({}),replyCode({}),replyText({}),message:{}"+JSON.toJSONString(returnedMessage)); } }); return rabbitTemplate; }