I did the same as you said and succeeded.
Notice that you should upgrade nameserver and broker at the same time. Willim Zhu. -----原始邮件----- 发件人:superheizai <[email protected]> 发送时间:2017-10-25 11:03:33 (星期三) 收件人: users <[email protected]> 抄送: 主题: if any problem if I use old rocketmq client 3.X and upgrade server to 4.1 Dear All, Want to know, can I just upgrade rocketmq server version from 3.4 to 4.1, and let client version keep 3.X. Then I can upgrade client version later. Thanks. Justin Liu
