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https://issues.apache.org/jira/browse/SPARK-23194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-23194.
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Resolution: Duplicate
> from_json in FAILFAST mode doesn't fail fast, instead it just returns nulls
> ---------------------------------------------------------------------------
>
> Key: SPARK-23194
> URL: https://issues.apache.org/jira/browse/SPARK-23194
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Burak Yavuz
> Priority: Major
>
> from_json accepts Json parsing options such as being PERMISSIVE to parsing
> errors or failing fast. It seems from the code that even though the default
> option is to fail fast, we catch that exception and return nulls.
>
> In order to not change behavior, we should remove that try-catch block and
> change the default to permissive, but allow failfast mode to indeed fail.
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