com.alibaba.nacos nacos-all 0.3.0 ../pom.xml 4.0.0 nacos-example jar nacos-example ${project.version} http://maven.apache.org UTF-8 junit junit test ${project.groupId} nacos-common ${project.groupId} nacos-core com.alibaba.nacos nacos-client ch.qos.logback logback-classic