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https://issues.apache.org/jira/browse/NIFI-10109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne updated NIFI-10109:
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Fix Version/s: 1.17.0
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Preserve Field Order in JsonTreeReader Map Records
> --------------------------------------------------
>
> Key: NIFI-10109
> URL: https://issues.apache.org/jira/browse/NIFI-10109
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: David Handermann
> Assignee: David Handermann
> Priority: Minor
> Fix For: 1.17.0
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The current implementation of the {{JsonTreeReader}} reads JSON Object nodes
> into a {{HashMap}} for representation as a {{{}MapRecord{}}}. Schemas
> generated from JSON Objects retain field order, but the internal {{Map}}
> representation does not preserve the field order due to the non-deterministic
> use of {{{}HashMap{}}}. Changing the internal representation to a
> {{LinkedHashMap}} would preserve field order for methods such as
> {{{}Record.toMap(){}}}.
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