Chris Sampson created NIFI-14685:
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             Summary: PutElasticsearchRecord does not correctly handle nested 
objects within script fields
                 Key: NIFI-14685
                 URL: https://issues.apache.org/jira/browse/NIFI-14685
             Project: Apache NiFi
          Issue Type: Bug
    Affects Versions: 2.4.0
            Reporter: Chris Sampson


As reported in 
[Slack|https://apachenifi.slack.com/archives/C0L9VCD47/p1750257899047229], 
there is currently a deficiency in the {{PutElasticsearchRecord}} processor's 
handling of the {{Script Record Path}} (and indeeded the {{Dynamic Templates 
Record Path}}) when parsing FlowFile content for driving Elasticsearch 
operations.

The example provided in the processor's additonal details documentation does 
not work if one uses an {{Infer Schema}} approach in the {{Record Reader}} 
(because the processor calls {{DataTypeUtils.toMap}} which leaves nested JSON 
objects as {{MapRecord}} objects, that JAckson doesn't know how to serialise 
into JSON).



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