Peter Molnar created NIFI-9544:
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Summary: LookUpRecord does not work for arrays if look up value is
missing for a key in the array
Key: NIFI-9544
URL: https://issues.apache.org/jira/browse/NIFI-9544
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 1.15.0
Environment: apache/nifi:1.15.0 official docker image
Reporter: Peter Molnar
Attachments: LookUpRecord_issue.xml, image-2022-01-06-15-45-26-394.png
I tried to use the LookUpRecord processor with the example shown on
[https://nifi.apache.org/docs/nifi-docs/components/org.apache.nifi/nifi-standard-nar/1.15.0/org.apache.nifi.processors.standard.LookupRecord/additionalDetails.html]
page under "Record Update Strategy - Replace Existing Values" section.
In the Simple Key Value Lookup Service I defined the following key-value pairs
(Note: that FR key is missing on purpose):
* US => United States
* CA => Canada
I created a GenerateFlowFile processor to create a file with the following
content:
[
{
"locales": [
{
"region": "FR",
"language": "fr"
}, {
"region": "US",
"language": "en"
}
]
}, {
"locales": [
{
"region": "CA",
"language": "fr"
},
{
"region": "JP",
"language": "ja"
}
]
}
]
The LookUpRecord is configured as follows:
!image-2022-01-06-15-45-26-394.png!
JsonTreeReader and JsonRecordSetWriter are just configured with infer and
inherit schema.
Once LookUpRecord is executed, "US" values is not looked up and replaced. The
reason for this since "FR" cannot be looked up, line 343 in LookUpRecord.java
([https://github.com/apache/nifi/blob/7fe8858d22f580ad9dcd96ebafb59dbe5e73f5cb/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/LookupRecord.java#L341)]
returns before attempting to look up the "US" value.
I would expect that in this case "US" is still looked up regardless if "FR" key
can be looked up or not.
Please find enclosed the NiFi template for reproducing the issue.
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