Chris Sampson created NIFI-8232:
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Summary: CSVReader no longer detects duplicate header values
Key: NIFI-8232
URL: https://issues.apache.org/jira/browse/NIFI-8232
Project: Apache NiFi
Issue Type: Bug
Affects Versions: 1.13.0
Reporter: Chris Sampson
The update of {{commons-csv}} from [version 1.6 to
1.8|https://github.com/apache/nifi/blob/f9ae3bb9c970cd8d6d1d9e10f07cab9bdb66baa9/nifi-nar-bundles/nifi-standard-services/nifi-record-serialization-services-bundle/nifi-record-serialization-services/pom.xml#L67]
in NIFI-7187 has meant that duplicate CSV Fields are no longer detected when
inferring the schema from a CSV file's header (either via {{infer}} or {{use
header strings}} schema access strategy).
The ability to dis/enable this detection was added in [commons-csv
1.8|https://archive.apache.org/dist/commons/csv/RELEASE-NOTES.txt] and should
be allowed to be toggled in NiFi (effectively this has been implicitly changed
from {{false}} to {{true}} by the aforementioned upgrade).
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