Oliverwqcwrw opened a new issue #4043: URL: https://github.com/apache/rocketmq/issues/4043
**BUG REPORT** 1. Please describe the issue you observed: The official website's order example is executing failed [https://rocketmq.apache.org/docs/order-example/](https://rocketmq.apache.org/docs/order-example/) - What did you do (The steps to reproduce)? - What is expected to see? It can send message normally - What did you see instead? > Exception in thread "main" java.lang.IllegalStateException: org.apache.rocketmq.remoting.exception.RemotingConnectException: connect to null failed at org.apache.rocketmq.client.impl.factory.MQClientInstance.updateTopicRouteInfoFromNameServer(MQClientInstance.java:680) at org.apache.rocketmq.client.impl.factory.MQClientInstance.updateTopicRouteInfoFromNameServer(MQClientInstance.java:510) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.tryToFindTopicPublishInfo(DefaultMQProducerImpl.java:683) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendSelectImpl(DefaultMQProducerImpl.java:1128) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1114) at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.send(DefaultMQProducerImpl.java:1109) at org.apache.rocketmq.client.producer.DefaultMQProducer.send(DefaultMQProducer.java:518) at com.aolifu.producer.OrderedProducer.main(OrderedProducer.java:25) Caused by: org.apache.rocketmq.remoting.exception.RemotingConnectException: connect to null failed at org.apache.rocketmq.remoting.netty.NettyRemotingClient.invokeSync(NettyRemotingClient.java:407) at org.apache.rocketmq.client.impl.MQClientAPIImpl.getTopicRouteInfoFromNameServer(MQClientAPIImpl.java:1379) at org.apache.rocketmq.client.impl.MQClientAPIImpl.getTopicRouteInfoFromNameServer(MQClientAPIImpl.java:1369) at org.apache.rocketmq.client.impl.factory.MQClientInstance.updateTopicRouteInfoFromNameServer(MQClientInstance.java:623) ... 7 more 3. Please tell us about your environment: Mac OS 12.3 rocketMQ 4.9.3 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
