Caused by:

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'spring.kafka-org.springframework.boot.autoconfigure.kafka.KafkaProperties': Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframework.boot.autoconfigure.kafka.KafkaProperties]: Constructor threw exception; nested exception is java.lang.NoClassDefFoundError: org/apache/kafka/common/requests/IsolationLevel
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1320) ~[spring-beans-5.2.5.RELEASE.jar:5.2.5.RELEASE]

used versions: kafka_streams_version=2.5.0 kafka_version=2.5.0 springboot_version=2.2.6.RELEASE

Comment From: snicoll

This is a breaking change in Kafka 2.5 and Spring Boot 2.3 is required. We released RC1 last week and GA is around the corner.