我很难找到Spring AMQP/Rabbit MQ中计划/延迟消息的方式。
经过多次搜索后,我仍然无法在Spring AMQP中做到这一点。有人可以告诉我如何在Spring AMQP中使用x-delay。
我想延迟消息,如果消费者一方发生某种异常。 RabbitMQ的说要添加X-延迟和安装的我已经有了这样的插件,但还是消息不延时Spring AMQP中的计划/延迟消息传递RabbitMq
我得到这消息
收到<(身体立刻正在添加:“[B @ 60a4ae5f (字节[26])'MessageProperties [头= {X-延迟= 15000}
@Bean
ConnectionFactory connectionFactory(){
CachingConnectionFactory connectionFactory=new CachingConnectionFactory("127.0.0.1");
connectionFactory.setUsername("guest");
connectionFactory.setPassword("guest");
connectionFactory.setPort(1500);
connectionFactory.setPublisherReturns(true);
return connectionFactory;
}
@Bean
Binding binding(@Qualifier("queue")Queue queue, DirectExchange exchange) {
return new Binding(queue.getName(), Binding.DestinationType.QUEUE, exchange.getName(), queue.getName(), null);
//return BindingBuilder.bind(queue).to(exchange).with(queueName);
}
@Bean
DirectExchange exchange() {
DirectExchange exchange=new DirectExchange("delay-exchange");
return exchange;
}
消费者---
@Override
public void onMessage(Message message, Channel channel) throws Exception {
System.out.println("Received <" + message+ ">" +rabbitTemplate);
if(i==1){
AMQP.BasicProperties.Builder props = new AMQP.BasicProperties.Builder();
Map<String,Object> headers = message.getMessageProperties().getHeaders();
headers.put("x-delay", 15000);
props.headers(headers);
i++;
channel.basicPublish(message.getMessageProperties().getReceivedExchange(), message.getMessageProperties().getReceivedRoutingKey(),
props.build(), message.getBody());
}
}
不确定是谁推荐你用'jms'标记标记这个问题,但这是不正确的。这只是关于RabbitMQ。是的,'spring-amqp'。正在修复... –