com.alibaba.rocketmq.client.exception.MQClientException: No route info of this topic, TopicTest1
See http://docs.aliyun.com/cn#/pub/ons/faq/exceptions&topic_not_exist for further details.
at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:542)
at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1030)
at com.alibaba.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:989)
at com.alibaba.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:90)
at com.yang.rocketmq.Producer.main(Producer.java:45)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147)

按照官方文档启动broker
↓↓↓↓↓↓这是错误的！！！↓↓↓↓↓↓

nohup sh bin/mqbroker -n localhost:9876 &

↑↑↑↑↑↑这是错误的！！！↑↑↑↑↑↑

改为：
↓↓↓↓↓↓这才是正确的！！！↓↓↓↓↓↓

nohup sh mqbroker -n localhost:9876 autoCreateTopicEnable=true &

↑↑↑↑↑↑这才是正确的！！！↑↑↑↑↑↑