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https://issues.apache.org/jira/browse/NIFI-7405?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17094981#comment-17094981
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Bryan Bende commented on NIFI-7405:
-----------------------------------
Thanks for reporting this. I've been unable to reproduce the error using the
original steps described in NIFI-6985 and latest master.
Can you provide specific steps to produce the problem?
Also, is there a stacktrace in nifi-app.log or nifi-user.log that goes with the
error message?
> Unable to manage flows containing versioned process groups with parameter
> context
> ----------------------------------------------------------------------------------
>
> Key: NIFI-7405
> URL: https://issues.apache.org/jira/browse/NIFI-7405
> Project: Apache NiFi
> Issue Type: Bug
> Components: Flow Versioning
> Affects Versions: 1.11.4
> Environment: Centos 7
> Reporter: David Grootwassink
> Priority: Major
>
> Reopen of NIFI-6985.
>
> When a process group that contains parameters in sub process groups is
> committed. Any attempt to update other instances of that process group on
> the canvas results in the following error:
> Failed to update flow to new version due to java.lang.NullPointerException
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