...17common frames omitted2022-05-03 14:01:40.630 WARN 16876 --- [ntContainer#0-2] ingErrorHandler$DefaultExceptionStrategy : Fatal message conversion error; message rejected; it will be dropped or routed to a dead letter exchange,ifso configured: (Body:'[serialized object]' MessageProperties...
Caused by: org.springframework.messaging.converter.MessageConversionException: No converter foundfromactual payload type'byte[]'to expected payload type'com.lynch.entity.CanalMessage'Could not convert incoming message with content-type [null]。 解决办法: 重写Jackson2JsonMessageConverter的fromMessage方法,并...
RabbitTemplate#messageConvert的默认值是SimpleMessageConverter,其toMessage方法继承自父类AbstractMessageConverter,具体逻辑如下,其核心逻辑在于SimpleMessageConverter#createMessage中。 @Override public final Message toMessage(Object object, Messag...
"failed to convert to serialized Message content", e); } messageProperties.setContentType(MessageProperties.CONTENT_TYPE_SERIALIZED_OBJECT); } if (bytes != null) { messageProperties.setContentLength(bytes.length); return new Message(bytes, messageProperties); } throw new IllegalArgumentException(get...
System.out.println(message); } 消费端应用启动类: import org.springframework.context.annotation.AnnotationConfigApplicationContext; import org.springframework.context.annotation.ComponentScan; import java.util.concurrent.TimeUnit; @ComponentScan public class Application { ...
public class MessageProducer { @Autowired private RabbitTemplate rabbitTemplate; public void sendMessage(String message) { rabbitTemplate.convertAndSend("showQueue.test", message); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 5.2 消费者代码 ...
在使用Header字段时，我在使用RabbitMQ管理控制台时也看到了同样的错误。将"content_type":"application/...
MessageConversionException: Cannot convert from [[B] to [java.util.Map] for GenericMessage [payload=byte[55], headers={amqp_receivedExchange=text_exchange, amqp_deliveryTag=1, amqp_consumerQueue=text.queue, amqp_redelivered=false, id=c28511a8-1bbe-9d57-879c-c5763ba40129, amqp_consumerTag=...
<rabbit:listener ref="salMessageHandler" queue-names="ha.to.salmessage.queue, ha.to.salRTMmessage.queue" /> 问题分析: 通过错误栈分析,这个是消费端在 redeclare Exchanges的时候报错。更进一步的原因待研究。 网上类似的问题及分析:Spring Amqp internal NullPointerException on RabbitTemplate convertAndSend...
5简单队列模型–利用SpringAMQP实现HelloWorld的基础消息队列功能–引入amqp的starter依赖;配置RabbitMQ地址;利用RabbitTemplate的convertAndSend方法来发送消息。(P67) 6Work queue–工作队列,可以提高消息处理速度,避免队列消息堆积-默认为:消息预取。 7Work模型–多个消费者绑定到一个队列,同一条消息只会被一个消费者处理...