geektao opened a new issue #2377: URL: https://github.com/apache/rocketmq/issues/2377
When broker disabled auto create topic（default createTopicKey=TBW102），client will log too many `updateTopicRouteInfoFromNameServer Exception` warn 。 ```` updateTopicRouteInfoFromNameServer Exception org.apache.rocketmq.client.exception.MQClientException: CODE: 17 DESC: No topic route info in name server for the topic: TBW102 See http://rocketmq.apache.org/docs/faq/ for further details. at org.apache.rocketmq.client.impl.MQClientAPIImpl.getTopicRouteInfoFromNameServer(MQClientAPIImpl.java:1383) at org.apache.rocketmq.client.impl.MQClientAPIImpl.getTopicRouteInfoFromNameServer(MQClientAPIImpl.java:1353) at org.apache.rocketmq.client.impl.factory.MQClientInstance.updateTopicRouteInfoFromNameServer(MQClientInstance.java:622) at org.apache.rocketmq.client.impl.factory.MQClientInstance.updateTopicRouteInfoFromNameServer(MQClientInstance.java:509) at org.apache.rocketmq.client.impl.factory.MQClientInstance.updateTopicRouteInfoFromNameServer(MQClientInstance.java:358) at org.apache.rocketmq.client.impl.factory.MQClientInstance$3.run(MQClientInstance.java:275) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) ```` Review source code, I know `createTopicKey ` just for testing or demo program. So too much logs is a bad smell. ```` /** * Just for testing or demo program */ private String createTopicKey = TopicValidator.AUTO_CREATE_TOPIC_KEY_TOPIC; ```` ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected]
