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https://issues.apache.org/jira/browse/NIFI-16027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Payne updated NIFI-16027:
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Status: Patch Available (was: Open)
> RPG status and status history return 404 when the RPG is in a connector canvas
> ------------------------------------------------------------------------------
>
> Key: NIFI-16027
> URL: https://issues.apache.org/jira/browse/NIFI-16027
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> When a Remote Process Group (RPG) lives inside a connector-managed canvas
> rather than the main NiFi flow, two API calls return 404:
> * {{PUT /nifi-api/remote-process-groups/\{id}}} — the position update is
> persisted, but the response is a 404 because building the response entity
> fails
> * {{GET /nifi-api/remote-process-groups/\{id}}} — the refresh call fails
> entirely
> Both failures come from the same root cause:
> {{ControllerFacade.getRemoteProcessGroupStatus()}} and
> {{getRemoteProcessGroupStatusHistory()}} locate the RPG by walking
> {{{}getRootGroup().findRemoteProcessGroup(id){}}}, which only searches the
> main flow hierarchy. When the RPG is in a connector canvas, this lookup
> returns null and a {{ResourceNotFoundException}} is thrown.
> The DAO layer
> ({{{}StandardRemoteProcessGroupDAO.locateRemoteProcessGroup{}}}) already
> searches connector-managed groups correctly, so the write operations succeed
> — only the status response path was missing the connector search.
>
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