4.0.0 org.springframework.boot spring-boot-starter-parent 2.5.3 com.rehome time_client 1.0 time_client release project for Spring Boot 1.8 org.springframework.boot spring-boot-starter org.springframework.boot spring-boot-starter-test test org.eclipse.paho org.eclipse.paho.client.mqttv3 1.2.0 ${project.artifactId} org.springframework.boot spring-boot-maven-plugin