Webb28 jan. 2024 · Consumer消费拉取的消息的方式有两种: 1、Push方式:rocketmq已经提供了很全面的实现,consumer通过长轮询拉取消息后回调MessageListener接口实现完成消费,应用系统只要MessageListener完成业务逻辑即可 2、Pull方式:完全由业务系统去控制,定时拉取消息,指定队列消费等等,当然这里需要业务系统去根据自己的业务需求去 … Webb+ FAQUrl.suggestTodo(FAQUrl.GROUP_NAME_DUPLICATE_URL), null); } mQClientFactory.start(); log.info("the consumer [{}] start OK.", …
RocketMQ系列之Consumer启动(七) - 知乎
Webb9 dec. 2024 · org .apache.rocketmq.client. exception .MQClientException: The producer service state not OK, maybe started once, RUNNING See ht tp: // rocketmq.apache.org / … Webbpublic void start() throws MQClientException { synchronized (this) { switch (this.serviceState) { case CREATE_JUST: this.serviceState = … preference on a macbook air
【已解决】RocketMq使用报错_JavaPub-rodert的博客-程序员宝宝
Webbcase RUNNING: case START_FAILED: case SHUTDOWN_ALREADY: throw new MQClientException("The PushConsumer service state not OK, maybe started once, "+ this.serviceState + FAQUrl.suggestTodo(FAQUrl.CLIENT_SERVICE_NOT_OK), null); default: break; } 复制代码 MQClientException: The PushConsumer service state not OK, maybe started once, RUNNING 提示我说,只需要start一次就好, 别给我start那么多次!害,后来灵机一动想到在学习Producer的时候的instanceName,想起是否Consumer也是如此机制呢? Visa mer 在学习Rockemq时,看到网上资料说的同个ConsumerGroup下的consumer的分配问题,故想在代码中实践一番,但是查阅了很多资料,并没有发现在同个消费组创建 … Visa mer @Data @Component @Slf4j public class Consumer1 { @Autowired private JmsConfig jmsConfig; private DefaultMQPushConsumer consumer; @PostConstruct … Visa mer Webb对于PullConsumer,消费者会主动从broker中拉取消息进行消费。 而对于PushConsumer,会封装包含消息获取、消息处理以及其他相关操作的接口给程序调用 … s corporation in georgia