启动 RocketMQ 自带的消费者和生产者时报错
RocketMQLog:WARN No appenders could be found for logger (io.netty.util.internal.InternalThreadLocalMap).
RocketMQLog:WARN Please initialize the logger system properly.
原因
没有指定连接消费者或者生产者的环境变量, 执行以下如下命令即可
export NAMESRV_ADDR=localhost:9876