[jira] [Assigned] (NIFI-5910) Upgrading versioned process group overwrites external service reference

["Bryan Bende (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bryan Bende reassigned NIFI-5910:
---------------------------------

    Assignee: Bryan Bende

> Upgrading versioned process group overwrites external service reference
> -----------------------------------------------------------------------
>
>                 Key: NIFI-5910
>                 URL: https://issues.apache.org/jira/browse/NIFI-5910
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Bryan Bende
>            Assignee: Bryan Bende
>            Priority: Minor
>              Labels: SDLC
>
> Using two NiFi instances and one NiFi registry...
> 1) In NiFi 1:
>  * Create a controller service at the root level
>  * Create a process group with a processor that uses the service from the root level
>  * Start version control
> 2) In NiFi 2:
>  * Import the flow and see the processor has an invalid service reference
>  * Create a service at root level and change processor to use that service
>  * Notice no local changes to commit, this is correct
> 3) In NiFi 1:
>  * Make a change to the processor, just move its position
>  * Save version 2 of the flow to registry
> 4) In NiFi 2:
>  * Upgrade the process group to version 2
>  * Notice the service reference of the processor is reset back to the invalid reference
> If you did the same steps, but in step 3 you modify something else besides that processor, then when upgrading in NiFi 2 it retains the correct service reference. So it is only when the upgrade has changes to the processor with the external service reference.



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