How does Kafka treat negative number in partition in ProducerRecord in Kafka Client 0.10?

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How does Kafka treat negative number in partition in ProducerRecord in Kafka Client 0.10?



In Kafka Client 1.1.0 a check is placed to not allow negative as partition in ProducerRecord.


partition


ProducerRecord



https://github.com/apache/kafka/blob/1.1/clients/src/main/java/org/apache/kafka/clients/producer/ProducerRecord.java#L73



But I don't see any such check in ProducerRecord in kafka client 0.10.0.


ProducerRecord



https://github.com/apache/kafka/blob/0.10.0/clients/src/main/java/org/apache/kafka/clients/producer/ProducerRecord.java#L62



Can someone let me know how does Kafka handle the negative number in partition in ProducerRecord in 0.10? Will the partition be converted to positive number ? If yes can some one point me to the code / logic of the conversion?


partition


ProducerRecord




1 Answer
1



With the 0.10.0 Kafka Producer, a negative number for the partition is also rejected.



The check was not done in ProducerRecord like in the recent releases but instead in KafkaProducer.partition() and you would get the following stack trace:


ProducerRecord


KafkaProducer.partition()


Exception in thread "main" java.lang.IllegalArgumentException: Invalid partition given with record: -1 is not in the range [0...0].
at org.apache.kafka.clients.producer.KafkaProducer.partition(KafkaProducer.java:717)
at org.apache.kafka.clients.producer.KafkaProducer.doSend(KafkaProducer.java:459)
at org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:430)
at org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProducer.java:353)






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