concurrency – Incompatibility between Spring Kafka consumers with versions 2.3.13.RELEASE and 2.8.3

I am having problems with kafka consumers of applications with different versions of Spring-kafka, specifically between 2.3.13.RELEASE and 2.8.3. When deploying to PRO using blue/green strategies for deployment, I am having the problem that all partitions, when using concurrency on consumers, are assigned to the application using version 2.3.13.RELEASE, while the new application deploying a … Read more

java – Kafka Consumers under the same group are consuming the same partition after rebalancing

According to Kafka documentation: Kafka provides the guarantee that a topic-partition is assigned to only one consumer within a group. But I’m observing different behavior in my service. Here are some details: I’m using Kafka 2.8 and spring-kafka 2.2.13. Initially I had one Kafka topic topic.1 with 5 partitions in it, this topic was consumed … Read more