4.0.0 cloud.thingslinker onion-parent 1.0.4 onion-mqtt-example 2.6.2 org.noear solon-api ${solon.version} org.noear solon.logging.log4j2 ${solon.version} cloud.thingslinker onion-mqtt-server ${onion.mqtt.version} org.apache.maven.plugins maven-compiler-plugin ${maven-compiler-plugin} ${java.version} ${java.version} ${project.build.sourceEncoding}