Joseph Percivall created NIFI-4692:
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Summary: AttributesToJSON "Null Value" description doesn't match
implementation
Key: NIFI-4692
URL: https://issues.apache.org/jira/browse/NIFI-4692
Project: Apache NiFi
Issue Type: Bug
Reporter: Joseph Percivall
Priority: Minor
The description for the "Null Value" property is "If true a non existing or
empty attribute will be NULL in the resulting JSON. If false an empty string
will be placed in the JSON". In particular, the "empty attribute" portion leads
me to believe that if the attribute exists but is an empty string, the
resulting JSON would be NULL (when the property is 'true').
In actuality, the property only appears to change whether a missing attribute
will be NULL or an empty string ("")[1].
Since no one has brought it up as an issue, I assume it is working as people
would like so the documentation should be adjusted to match the actual logic.
Potentially adding a second property for how to treat attributes with a value
of an empty string.
[1]
https://github.com/apache/nifi/blob/e62417ea6b189ad0e7522cffd68481dd5df7ffd8/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/AttributesToJSON.java#L181
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