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https://issues.apache.org/jira/browse/NIFI-7925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17218289#comment-17218289
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ASF subversion and git services commented on NIFI-7925:
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Commit d05d0c6240217da9cc72c07110ed273f37b0fa21 in nifi's branch
refs/heads/main from Denes Arvay
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=d05d0c6 ]
NIFI-7925: ValidateRecord reports false positive for avro arrays with null
elements
> ValidateRecord reports false positive for avro arrays with null elements
> ------------------------------------------------------------------------
>
> Key: NIFI-7925
> URL: https://issues.apache.org/jira/browse/NIFI-7925
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.12.1
> Reporter: Christophe Monnet
> Assignee: Denes Arvay
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> with this avro schema:
> {code:json}
> {
> "type": "record",
> "name": "simple",
> "fields": [{
> "name": "stuff",
> "type": {
> "type": "record",
> "name": "stuff",
> "namespace": "simple",
> "fields": [{
> "name": "languages",
> "type": {
> "type": "array",
> "items": ["null", "string"]
> },
> "doc": ""
> }
> ]
> },
> "doc": ""
> }
> ]
> }
> {code}
> and this payload:
> {code:json}
> {"stuff":{"languages":[null]}}
> {code}
> ValidateRecord fails with
> Records in this FlowFile were invalid for the following reasons: ; The
> following 1 fields had values whose type did not match the schema:
> [/stuff/languages]
> But when using avrotool I can convert the payload:
> {code:bash}
> $ avrotool fromjson --schema-file schema.json payload.json > payload.avro
> $ avrotool tojson payload.avro
> {"stuff":{"languages":[null]}}
> {code}
> Moreover with this payload
> {code:json}
> {"stuff":{"languages":[]}}
> {code}
> ValidateRecord routes to the valid queue.
> Therefore I suspect that ValidateRecord has a bug when it comes to arrays
> with nullable items.
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