tzulitai commented on a change in pull request #7405: [FLINK-11249]
FlinkKafkaProducer011 can not be migrated to FlinkKafkaProducer
URL: https://github.com/apache/flink/pull/7405#discussion_r246305549
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File path:
flink-connectors/flink-connector-kafka-0.11/src/main/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaProducer011.java
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@@ -172,10 +172,16 @@
/**
* Descriptor of the transactional IDs list.
+ * Note: This state is based on the Java serializer and it has
compatibility problem that will be removed later.
Review comment:
Are you sure that the serialization was done by Java?
From my speculation on the `NextTransactionalIdHint`, it should have been
serialized by the `KryoSerializer`.
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