啟動 RocketMQ 自帶的消費者和生產者時報錯
RocketMQLog:WARN No appenders could be found for logger (io.netty.util.internal.InternalThreadLocalMap).
RocketMQLog:WARN Please initialize the logger system properly.
原因
沒有指定連接消費者或者生產者的環境變量, 執行以下如下命令即可
export NAMESRV_ADDR=localhost:9876