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https://issues.apache.org/jira/browse/NIFI-9018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timea Barna updated NIFI-9018:
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Status: Patch Available (was: In Progress)
> When connection points to a moved port version change with NiFi Registry may
> throw exception
> --------------------------------------------------------------------------------------------
>
> Key: NIFI-9018
> URL: https://issues.apache.org/jira/browse/NIFI-9018
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Timea Barna
> Assignee: Timea Barna
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Replication steps:
> 1) create a PG with 1 input port in it (nothing else is needed)
> 2) add/commit the PG to NiFi Registry (version #1)
> 3) update the flow the following way: add a new PG and drag-and-drop the
> input port into it. Add an arbitrary processor to the outer PG and connect to
> the inner PG's input port
> 4) commit to the registry (version #2)
> 5) revert to version #1
> 6) upgrade to version #2 -> upgrade fails with "Failed to perform update flow
> request due to Failed to update Flow on all nodes in cluster due to Cannot
> add Connection to Process Group because its destination is an Input Port but
> the Input Port does not belong to a child Process Group"
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