ASF GitHub Bot commented on NIFI-4863:

GitHub user markap14 opened a pull request:


    NIFI-4863: Bug fixes to the way that we handled Remote Group Ports wh…

    …en changing flow version / reverting local changes
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You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/markap14/nifi NIFI-4863

Alternatively you can review and apply these changes as the patch at:


To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #2462
commit ef64b56f215cac51a9935500fbf553816e0ffa92
Author: Mark Payne <markap14@...>
Date:   2018-02-09T19:09:23Z

    NIFI-4863: Bug fixes to the way that we handled Remote Group Ports when 
changing flow version / reverting local changes


> If changing version of flow and new flow has no connection to RPG Port, can 
> get error saying unable to start components
> -----------------------------------------------------------------------------------------------------------------------
>                 Key: NIFI-4863
>                 URL: https://issues.apache.org/jira/browse/NIFI-4863
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>    Affects Versions: 1.5.0
>            Reporter: Mark Payne
>            Assignee: Mark Payne
>            Priority: Major
> When we have a Remote Process Group with multiple ports, we push to the flow 
> registry the ports that we have connections for. I have a connection to Port 
> A and save that to the flow registry, then create a connection to Port B. I 
> have RPG transmitting data. Then I revert local changes. This properly 
> reverts the flow but fails to restart components. This is because it is 
> attempting to start Port B, and there are no connections for that Port.

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