Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/4764#discussion_r143681902
--- Diff:
flink-connectors/flink-connector-kafka-base/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaProducerBase.java
---
@@ -33,6 +32,7 @@
import
org.apache.flink.streaming.connectors.kafka.partitioner.FlinkKafkaPartitioner;
import
org.apache.flink.streaming.util.serialization.KeyedSerializationSchema;
import org.apache.flink.util.NetUtils;
+import org.apache.flink.util.SerializableObject;
--- End diff --
nit: unrelated change
---
