NiFi xml ingest Prepare script needs to check for null values of the metadata.sourceDataSetIds

Description

the NiFi XML Ingest assumes the sourceDataSetIds exist but for legacy feeds it doesnt.
This needs to be null safe

Environment

None

Assignee

Scott Reisdorf

Reporter

Scott Reisdorf

Labels

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Reviewer

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Story point estimate

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Sprint

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Fix versions

Affects versions

Priority

Medium
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