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https://issues.apache.org/jira/browse/GROOVY-7858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15600504#comment-15600504
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ASF GitHub Bot commented on GROOVY-7858:
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Github user asfgit closed the pull request at:
https://github.com/apache/groovy/pull/433
> Make JsonBuilder configurable to not write entries with null values
> -------------------------------------------------------------------
>
> Key: GROOVY-7858
> URL: https://issues.apache.org/jira/browse/GROOVY-7858
> Project: Groovy
> Issue Type: Improvement
> Components: JSON
> Affects Versions: 2.4.5
> Reporter: Marcus Lagemann
> Assignee: John Wagenleitner
> Priority: Trivial
>
> {{JsonBuilder}} (and underlying {{JsonOutput}} ) is writing entries with null
> values when serializing to Json String:
> {code:javascript}
> {"key1": "value",
> "key2": null}
> {code}
> There should be a flag or configuration value to change this behaviour and
> skip writing entries where the values are null.
> {code:javascript}
> {"key1": "value"}
> {code}
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