Daniel Stieglitz created NIFI-13963:
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Summary: Unknown fields not dropped by JSON Writer as expected by
specified schema
Key: NIFI-13963
URL: https://issues.apache.org/jira/browse/NIFI-13963
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 1.28.0, 1.27.0, 1.26.0
Reporter: Daniel Stieglitz
Assignee: Daniel Stieglitz
This is a back port of the fix introduced in NIFI-13843 for 2.x. This bug
apparently was introduced in 1.26.0 in NIFI-13090 (which was a back port of
NIFI-12480 for 2.x) with the changes to _AbstractJsonRowRecordReader_ in method
_createRecordFromRawValue_ which included a serialized form of the schema even
with unknown fields with the following lines:
{code:java}
final SerializedForm serializedForm =
SerializedForm.of(fieldNode::toString, "application/json");
return new MapRecord(childSchema, childValues, serializedForm);
}{code}
Apparently the _WriteJsonResult_ always had ability to write out the serialized
form of the JSON but it seems it never did since the
_AbstractJsonRowRecordReader_ never returned a serialized form of the JSON
until 1.26.0. This explains how [~mosermw] in a comment on NIFI-13843 was able
to see no issues when using nifi-record-serialization-services-nar-{*}1.25.0{*}
for JsonTreeReader and nifi-record-serialization-services-nar-{*}1.26.0{*} for
JsonRecordSetWriter but only saw issues when with
nifi-record-serialization-services-nar-{*}1.26.0{*} for JsonTreeReader and
nifi-record-serialization-services-nar-{*}1.26.0{*} for JsonRecordSetWriter
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