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Posted to dev@rocketmq.apache.org by GitBox <gi...@apache.org> on 2022/03/28 01:57:46 UTC

[GitHub] [rocketmq] Oliverwqcwrw opened a new issue #4043: The official website's 'order example' exec failed

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
   
   


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[GitHub] [rocketmq] Oliverwqcwrw commented on issue #4043: The official website's 'order example' exec failed

Posted by GitBox <gi...@apache.org>.

Oliverwqcwrw commented on issue #4043:
URL: https://github.com/apache/rocketmq/issues/4043#issuecomment-1080110945


   The problem is that `nameserver` is not set, I think the example need to optimize, Do you think?


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[GitHub] [rocketmq] Oliverwqcwrw commented on issue #4043: The official website's 'order example' exec failed

Posted by GitBox <gi...@apache.org>.

Oliverwqcwrw commented on issue #4043:
URL: https://github.com/apache/rocketmq/issues/4043#issuecomment-1080101956


   The `com.aolifu.consumer.OrderedConsumer` also start failed,and error message is same


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[GitHub] [rocketmq] HScarb commented on issue #4043: The official website's 'order example' exec failed

Posted by GitBox <gi...@apache.org>.

HScarb commented on issue #4043:
URL: https://github.com/apache/rocketmq/issues/4043#issuecomment-1080126856


   When `nameserver` not set for client, it will get environment variable `NAMESRV_ADDR` as name server address by default.


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[GitHub] [rocketmq] Oliverwqcwrw commented on issue #4043: The official website's 'order example' exec failed

Posted by GitBox <gi...@apache.org>.

Oliverwqcwrw commented on issue #4043:
URL: https://github.com/apache/rocketmq/issues/4043#issuecomment-1080141014


   Thank you your reply


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[GitHub] [rocketmq] Oliverwqcwrw closed issue #4043: The official website's 'order example' exec failed

Posted by GitBox <gi...@apache.org>.

Oliverwqcwrw closed issue #4043:
URL: https://github.com/apache/rocketmq/issues/4043


   


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[GitHub] [rocketmq] RongtongJin commented on issue #4043: The official website's 'order example' exec failed

Posted by GitBox <gi...@apache.org>.

RongtongJin commented on issue #4043:
URL: https://github.com/apache/rocketmq/issues/4043#issuecomment-1080110108


   看起来是连接nameserver失败了，看下是否正确设置了nameserveer，以及producer与nameserver网络是否连通


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