Geir Klingenberg created NIFIREG-350:
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Summary: Unable to manage flows containing versioned process
groups with parameter context
Key: NIFIREG-350
URL: https://issues.apache.org/jira/browse/NIFIREG-350
Project: NiFi Registry
Issue Type: Bug
Reporter: Geir Klingenberg
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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