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https://issues.apache.org/jira/browse/NIFI-5758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16693661#comment-16693661
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Joseph Rosado commented on NIFI-5758:
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The problem is when I make a change to the variable at the parent level, those
changes are not replicated downstream to embedded process groups. In fact, the
embedded process groups will reference it's local variable as per the design;
thus overriding the parent. As a result, I need to manually delete all scoped
variables from embedded process groups whenever I import a process group from
the Registry. Unfortunately, this negates the concept of a "global" variable.
Instead, we should have the option to choose whether a variable should be
scoped to embedded process groups.
> Duplicate Variables
> -------------------
>
> Key: NIFI-5758
> URL: https://issues.apache.org/jira/browse/NIFI-5758
> Project: Apache NiFi
> Issue Type: Bug
> Components: Variable Registry
> Affects Versions: 1.7.1
> Reporter: Joseph Rosado
> Priority: Major
> Attachments: nifi-duplicate-variables.PNG
>
>
> We have a process group with variables defined for the entire flow. However,
> the variables are duplicated in each nested process group. Therefore, making
> it difficult to manage, and identify issues. (see attached)
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