If topic monitoring data is not displayed, the possible causes are as follows:
- The topic name starts with a special character, such as an underscore (_) or a number sign (#).
- No topic is created in the Kafka instance.
Solution:
- Delete topics whose names contain special characters.
- Create a topic.
If consumer group monitoring data is not displayed, the possible causes are as follows:
- The consumer group name starts with a special character, such as an underscore (_) or a number sign (#).
- No consumers in the group have connected to the instance.
Solution:
- Delete consumer groups whose names contain special characters.
- Consume messages using this consumer group.