properties = {
"spring.kafka.producer.key-serializer=org.springframework.kafka.support.serializer.JsonSerializer",
"spring.kafka.producer.value-serializer=org.springframework.kafka.support.serializer.JsonSerializer",
- "spring.kafka.producer.properties.spring.json.type.mapping=word:de.juplo.kafka.wordcount.counter.TestWord,counter:de.juplo.kafka.wordcount.counter.TestCounter",
+ "spring.kafka.producer.properties.spring.json.type.mapping=key:de.juplo.kafka.wordcount.counter.TestWord,counter:de.juplo.kafka.wordcount.counter.TestCounter",
"spring.kafka.consumer.auto-offset-reset=earliest",
"spring.kafka.consumer.key-deserializer=org.springframework.kafka.support.serializer.JsonDeserializer",
"spring.kafka.consumer.value-deserializer=org.springframework.kafka.support.serializer.JsonDeserializer",