org.apache.rocketmq rocketmq-all 4.9.1-SNAPSHOT 4.0.0 jar rocketmq-namesrv rocketmq-namesrv ${project.version} ${project.groupId} rocketmq-client ${project.groupId} rocketmq-tools ${project.groupId} rocketmq-srvutil ch.qos.logback logback-classic org.slf4j slf4j-api