prod-line com.huaxia 1.0-SNAPSHOT 4.0.0 prod-line-imes com.huaxia prod-line-comm 1.0-SNAPSHOT compile cmpt cmpt-msg 1.0.1-SNAPSHOT org.springframework spring-tx com.ruoyi ruoyi-system ${ruoyi.version} compile org.eclipse.paho org.eclipse.paho.client.mqttv3 1.2.2 Eclipse Paho Repository https://repo.eclipse.org/content/repositories/paho-releases/