RocketMQ原理解析-producer 5.消息在broker落地之普通消息

http://blog.csdn.net/quhongwei_zhanqiu/article/details/39142503 Broker根据producer请求的RequestCode.SEND_MESSAGE选择对应的处理器SendMessageProcessor          根据请求消息内容构建消息内部结构MessageExtBrokerInner          调Default

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