ruanhang1993 commented on code in PR #20164:
URL: https://github.com/apache/flink/pull/20164#discussion_r926303607
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flink-connectors/flink-connector-kafka/src/main/java/org/apache/flink/connector/kafka/sink/KafkaRecordSerializationSchema.java:
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@@ -48,6 +48,12 @@ default void open(
SerializationSchema.InitializationContext context,
KafkaSinkContext sinkContext)
throws Exception {}
+ /**
+ * Closes this kafka serialization schema and releases any system
resources associated with it.
+ * If the stream is already closed then invoking this method has no effect.
+ */
+ default void close() throws Exception {}
Review Comment:
> Shouldn't this be invoked by the source reader?
You are right. I'll invoke close method in the `KafkaWriter`'s close method.
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