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From "Bryan Bende (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (NIFI-6985) Unable to manage flows containing versioned process groups with parameter context
Date Tue, 07 Jan 2020 18:15:00 GMT

     [ https://issues.apache.org/jira/browse/NIFI-6985?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bryan Bende reassigned NIFI-6985:
---------------------------------

    Assignee: Bryan Bende

> Unable to manage flows containing versioned process groups with parameter context
> ---------------------------------------------------------------------------------
>
>                 Key: NIFI-6985
>                 URL: https://issues.apache.org/jira/browse/NIFI-6985
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Geir Klingenberg
>            Assignee: Bryan Bende
>            Priority: Major
>
> Nifi is unable to import a flow from Nifi Registry, if that flow contain one or more
process groups that
>  # have a parameter context
>  # is already under source control.
> To reproduce the error, create a process group (groupA), add some processor, add a parameter
context, and map the parameter(s) to processor properties. Check in groupA to Registry, and
remove it from the canvas. Create a new group, groupB, that acts as the root group in the
flow. Enter groupB, and import groupA from Registry. Check in groupB.
> From a different Nifi instance, import groupB from Registry. Nifi gives the following
error message:
> An unexpected error has occurred. Please check the logs for additional details (the logs
do not contain any further error message)
> A different error message is produced if the flow is already on the Nifi canvas, and
updated via the Version->Change version menu:
> Failed to update flow to new version due to java.lang.NullPointerException
> A work-around is to remove the sub-groups from source control. E.g. in the example above,
navigate to groupA on the Nifi instance where the flow was created, and stop version control
of groupA. Check in the changes of groupB. You should now be able to import groupB from Registry
on a different Nifi instance.



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