某个客户端一直连不上,换了ID就可以

日志报错:

2022-07-19 14:41:40.701 [error] <0.1295.0>@emqttd_sm:resume_session:261 SM(S051HHBBIDFBEL_client): Cannot resume <0.26679.6640> which seems already dead!

你的EMQX版本是?