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https://issues.apache.org/jira/browse/KAFKA-7948?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Court updated KAFKA-7948:
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Flags: Patch
> Feature to enable json field order retention in the JsonConverter
> -----------------------------------------------------------------
>
> Key: KAFKA-7948
> URL: https://issues.apache.org/jira/browse/KAFKA-7948
> Project: Kafka
> Issue Type: New Feature
> Components: config, KafkaConnect
> Affects Versions: 2.1.1
> Reporter: Jonathan Court
> Priority: Minor
>
> We need to maintain the order of fields in json structures that pass through
> kafka connect. To achieve this a new configuration item has been added to the
> JsonConverter to engage the retention of field order in jsons between the
> input and output.
> While the json spec doesn't require fields to be ordered it is required in
> instances where the parsers of json are primitive and difficult to correct -
> i.e. our mainframe.
> The new config item is:
> {code:java}
> json.field.order = none|retained{code}
> where the default is none and maintains the current functionality, and the
> option of 'retained' causes the underlying converter to use a LinkedHashMap
> in place of a HashMap and keeps the json fields in the order they're received
> during processing.
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