rocketmq4.8 client log too many No topic route info in name server for the topic:RMQ_SYS_TRACE_TOPIC and TBW102 warn

[JingSpring]

It takes up a lot of disk space.

WARN RocketmqClient - get Topic [RMQ_SYS_TRACE_TOPIC] RouteInfoFromNameServer is not exist value
 WARN RocketmqClient - updateTopicRouteInfoFromNameServer Exception
org.apache.rocketmq.client.exception.MQClientException: CODE: 17  DESC: No topic route info in name server for the topic: RMQ_SYS_TRACE_TOPIC
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.producer.DefaultMQProducerImpl.tryToFindTopicPublishInfo(DefaultMQProducerImpl.java:693)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:557)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.access$300(DefaultMQProducerImpl.java:97)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl$4.run(DefaultMQProducerImpl.java:511)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)

 WARN RocketmqClient - 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.getDefaultTopicRouteInfoFromNameServer(MQClientAPIImpl.java:1347)
	at org.apache.rocketmq.client.impl.factory.MQClientInstance.updateTopicRouteInfoFromNameServer(MQClientInstance.java:612)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.tryToFindTopicPublishInfo(DefaultMQProducerImpl.java:700)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.sendDefaultImpl(DefaultMQProducerImpl.java:557)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl.access$300(DefaultMQProducerImpl.java:97)
	at org.apache.rocketmq.client.impl.producer.DefaultMQProducerImpl$4.run(DefaultMQProducerImpl.java:511)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)

[duhenglucky]

@JingSpring What is the version of your broker? If the version is greater than 4.4.0 and the client set message tracing enabled, plz set tracetopicEnable =true in the broker's configuration file.

[JingSpring]

@JingSpring What is the version of your broker? If the version is greater than 4.4.0 and the client set message tracing enabled, plz set tracetopicEnable =true in the broker's configuration file.

okay，thank you.