org.apache.rocketmq rocketmq-all 4.2.0-SNAPSHOT 4.0.0 jar rocketmq-namesrv rocketmq-namesrv ${project.version} org.apache.rocketmq rocketmq-client org.apache.rocketmq rocketmq-tools ${project.groupId} rocketmq-srvutil ch.qos.logback logback-classic ch.qos.logback logback-core