Repeated consumption of a previous successful consumption every 5 minutes for half an hour

[hero-zhanghao]

Spring boot Version : 2.5.0
Spring Cloud Version ： 2020.0.3

I used Spring-Cloud-stream-binder - Kafka and Spring-cloud-stream-binder - Kafka-Streams for kafka production and consumption in the project.

I found in the log that several messages were repeatedly consumed, and they were under a group.

This keeps happening once every 5 minutes, a total of 5 repetitions of consume, plus the initial consume, a total of 6 times, a total of half an hour.

I configured the retry policy to be a maximum of 3 times and then sent to DLQ, but no error message was found.

What is the cause of this, or is there any way to help find some clues.