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https://issues.apache.org/jira/browse/NIFI-6601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17146107#comment-17146107
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Makarov Vasiliy Nicolaevich commented on NIFI-6601:
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It seems that in processors UI apply button is not grayed out too. I have added
Cancel button in the other ticket.
> Variables: "Apply" button should be greyed out if no changes have been made
> ---------------------------------------------------------------------------
>
> Key: NIFI-6601
> URL: https://issues.apache.org/jira/browse/NIFI-6601
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core UI
> Reporter: Andrew M. Lim
> Priority: Minor
>
> After opening the Variables window, the "Apply" button is available for
> selection immediately even when no edits have been made to apply. If
> selected, the window is closed which is what the Cancel button is for.
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