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https://issues.apache.org/jira/browse/NIFI-7241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre Villard updated NIFI-7241:
---------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
> Unable to remove port from a child ProcessGroup
> -----------------------------------------------
>
> Key: NIFI-7241
> URL: https://issues.apache.org/jira/browse/NIFI-7241
> Project: Apache NiFi
> Issue Type: Bug
> Components: Flow Versioning
> Reporter: Wouter de Vries
> Assignee: Mark Payne
> Priority: Major
> Fix For: 1.12.0, 1.11.4
>
> Attachments: trace.log
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> Given the following scenario:
> * Output port 1 in process group A
> * Input port 2 in process group B
> * A connection between A and B
> * Process group C is versioned and contains A and B
> Removing the connection as well as output port 1 and then committing the
> version creates a flow version that cannot be upgraded to. (Try reverting to
> an older version, and back to this version). Throwing an
> IllegalStateException.
> I believe this is caused by the order of updates in
> "StandardProcessGroup.java" where child groups (line 3781) are updated prior
> to the connections of the group itself (line 3986). This causes the output
> port to be removed before the connection from it is removed. I haven't tested
> this but probably removing the input port causes similar issues.
>
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