RocketMq使用異常解決記錄

一、生產者創建報錯

The producer group[profile-adjust-limit-producer-group] has been created b
efore, specify another name please.

發送消息報錯：

com.alibaba.rocketmq.client.exception.MQClientException: The producer service state not OK, CREATE_JUST

原因：同一個生產group不能有相同instance
解決：生產者初始化instance配置唯一UUID，保證同一組下所有instance不同

producer.setInstanceName(UUID.randomUUID().toString());