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