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From "Prasanna Subburaj (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (KAFKA-3832) Kafka Connect's JSON Converter never outputs a null value
Date Wed, 07 Feb 2018 03:53:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-3832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Prasanna Subburaj reassigned KAFKA-3832:

    Assignee: Prasanna Subburaj

> Kafka Connect's JSON Converter never outputs a null value
> ---------------------------------------------------------
>                 Key: KAFKA-3832
>                 URL: https://issues.apache.org/jira/browse/KAFKA-3832
>             Project: Kafka
>          Issue Type: Bug
>          Components: KafkaConnect
>    Affects Versions:
>            Reporter: Randall Hauch
>            Assignee: Prasanna Subburaj
>            Priority: Major
>              Labels: newbie
> Kafka Connect's JSON Converter will never output a null value when {{enableSchemas=true}}.
This means that when a connector outputs a {{SourceRecord}} with a null value, the JSON Converter
will always produce a message value with:
> {code:javascript}
> {
>   "schema": null,
>   "payload": null
> }
> {code}
> And, this means that while Kafka log compaction will always be able to remove earlier
messages with the same key, log compaction will never remove _all_ of the messages with the
same key. 
> The JSON Connector's {{fromConnectData(...)}} should always return null when it is supplied
a null value.

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