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https://issues.apache.org/jira/browse/KAFKA-8593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16871439#comment-16871439
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Oliver Weiler commented on KAFKA-8593:
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If this feature would be considered, I would gladly provide the PR.
> Provide a JSON Array Serde for serializing a List to a JSON Array and vice
> versa
> --------------------------------------------------------------------------------
>
> Key: KAFKA-8593
> URL: https://issues.apache.org/jira/browse/KAFKA-8593
> Project: Kafka
> Issue Type: New Feature
> Components: core
> Reporter: Oliver Weiler
> Priority: Major
>
> When aggregating streams you often group several values by a key.
> Because the JSON Serializer/Deserializer pair only supports Java objects and
> arrays, this leads to ugly code when working with lists, because you have to
> convert from / to an array or wrap the list in an object.
>
> I propose a JSON array serializer/deserializer for that use case.
> A basic Implementation can be found here:
> https://github.com/helpermethod/spring-kafka/commit/ac02464daf57dd6461bd30b6440e125dc2509ae7
>
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