19 bootstrap-server: ${spring.kafka.bootstrap-servers}
20 client-id: ${spring.kafka.client-id}
21 group-id: ${spring.kafka.consumer.group-id}
22 topic: ${simple.consumer.topic}
23 auto-offset-reset: ${spring.kafka.consumer.auto-offset-reset}
26 bootstrap-servers: :9092
30 auto-offset-reset: earliest
31 auto-commit-interval: 5s
32 key-deserializer: org.apache.kafka.common.serialization.StringDeserializer
33 value-deserializer: org.apache.kafka.common.serialization.StringDeserializer
35 partition.assignment.strategy: org.apache.kafka.clients.consumer.StickyAssignor
36 metadata.max.age.ms: 1000
37 spring.json.type.mapping: TODO