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代码整合消息队列后，启动报错，出现rabbitMQ循环依赖的问题

异常信息：

┌─────┐
|  rabbitTemplate defined in class path resource [org/springframework/boot/autoconfigure/amqp/RabbitAutoConfiguration$RabbitTemplateConfiguration.class]
↑     ↓
|  myRabbitConfig (field org.springframework.amqp.rabbit.core.RabbitTemplate com.xxxx.gulimall.order.config.MyRabbitConfig.rabbitTemplate)
└─────┘

解决方法：

1. 注释掉 @Autowired和@PostConstruct注解
2. 自己给容器中放一个RabbitTemplate,参考RabbitAutoConfiguration$RabbitTemplateConfiguration.class
3. 手动初始化模板方法

@Primary
@Bean
public RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);this.rabbitTemplate = rabbitTemplate;rabbitTemplate.setMessageConverter(messageConverter());initRabbitTemplate();return rabbitTemplate;
}

完整代码：

@Configuration
public class MyRabbitConfig {RabbitTemplate rabbitTemplate;@Primary@Beanpublic RabbitTemplate rabbitTemplate(ConnectionFactory connectionFactory) {RabbitTemplate rabbitTemplate = new RabbitTemplate(connectionFactory);this.rabbitTemplate = rabbitTemplate;rabbitTemplate.setMessageConverter(messageConverter());initRabbitTemplate();return rabbitTemplate;}@Beanpublic MessageConverter messageConverter() {return new Jackson2JsonMessageConverter();}//    @PostConstruct // MyRabbitConfig 对象创建完成以后，执行这个方法public void initRabbitTemplate() {rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {@Overridepublic void confirm(CorrelationData correlationData, boolean b, String s) {System.out.println("confirm...correlationData=" + correlationData + ", b=" + b + ", s=" + s);}});rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {@Overridepublic void returnedMessage(@Nullable Message message, int replyCode, @Nullable String replyText, @Nullable String exchange, @Nullable String routingKey) {System.out.println("fail Message="+message+",replyCode="+replyCode+",replyText="+replyText +",exchange="+exchange+",routingKey="+routingKey);}});}}

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