Maarten created KAFKA-8288:
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Summary: KStream.through consumer does not use custom
TimestampExtractor
Key: KAFKA-8288
URL: https://issues.apache.org/jira/browse/KAFKA-8288
Project: Kafka
Issue Type: Bug
Components: streams
Affects Versions: 2.2.0
Reporter: Maarten
The Kafka consumer created by {{KStream.through}} does not seem to be using the
custom TimestampExtractor set in Kafka Streams properties.
The documentation of {{through}} states the following
{code:java}
...
This is equivalent to calling to(someTopic, Produced.with(keySerde, valueSerde)
and StreamsBuilder#stream(someTopicName, Consumed.with(keySerde, valueSerde)).
{code}
However when I use the pattern above, the custom TimestampExtractor _is_ called.
I have verified that the streams app is reading from the specified topic and
that the timestamp extractor is called for other topics.
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