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https://issues.apache.org/jira/browse/NIFI-5678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16781299#comment-16781299
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Joseph Percivall commented on NIFI-5678:
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[~mattyb149] I just attempted to do this with a v1.9.0 instance and it hits the
same error message ("Value is of type
org.apache.nifi.serialization.record.MapRecord but was expected to be of type
MAP<STRING>"). Attached is a template to recreate it. A potential reason is
that the map is nested within an array of records.
[^Nested_map_record_failing_validation.xml]
> ValidateRecord does not handle Map type correctly
> -------------------------------------------------
>
> Key: NIFI-5678
> URL: https://issues.apache.org/jira/browse/NIFI-5678
> Project: Apache NiFi
> Issue Type: Bug
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Priority: Major
> Fix For: 1.8.0
>
> Attachments: Nested_map_record_failing_validation.xml
>
>
> Consider the following Avro Schema:
> {code}
> {
> "name" : "test",
> "type" : "record",
> "fields" : [ {
> "name" : "field1",
> "type" : {
> "type" : "map",
> "values" : "string"
> }
> } ]
> }
> {code}
> and corresponding JSON data adhering to the schema:
> {code}
> [{
> "field1": {
> "toto" : "v1",
> "titi" : "v2"
> }
> }]
> {code}
> ValidateRecord marks the record as invalid though it should be valid. The
> message in the provenance event is "Record #1 is invalid due to:
> MapRecord[{toto=v1, titi=v2}] is not a valid value for /field1: Value is of
> type org.apache.nifi.serialization.record.MapRecord but was expected to be of
> type MAP[STRING]".
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