Henning Schmiedehausen created KAFKA-2289: ---------------------------------------------
Summary: KafkaProducer logs erroneous warning on startu. Key: KAFKA-2289 URL: https://issues.apache.org/jira/browse/KAFKA-2289 Project: Kafka Issue Type: Bug Components: clients Affects Versions: 0.8.2.1 Reporter: Henning Schmiedehausen Priority: Trivial When creating a new KafkaProducer using the KafkaProducer(KafkaConfig, Serializer<K>, Serializer<V>) constructor, Kafka will list the following lines, which are harmless but are still at WARN level: WARN [2015-06-19 23:13:56,557] org.apache.kafka.clients.producer.ProducerConfig: The configuration value.serializer = class XXXX was supplied but isn't a known config. WARN [2015-06-19 23:13:56,557] org.apache.kafka.clients.producer.ProducerConfig: The configuration key.serializer = class YYYY was supplied but isn't a known config. -- This message was sent by Atlassian JIRA (v6.3.4#6332)