GeoHazardMonitor com.ozs 1.0-SNAPSHOT ../pom.xml 4.0.0 1.0-SNAPSHOT business-service com.ozs base-common com.baomidou mybatis-plus-generator 3.4.1 org.apache.velocity velocity-engine-core 2.0 mysql mysql-connector-java com.rabbitmq amqp-client 5.7.2 org.eclipse.paho mqtt-client 0.4.0 com.alibaba fastjson 1.2.54