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https://issues.apache.org/jira/browse/NIFI-15373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josef Zahner updated NIFI-15373:
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Summary: Realtime Syntax Highlighting Behaviour has changed in NiFi 2.6.0
(was: Realtime Syntax HIghlighting Behavior has changed in NiFi 2.6.0)
> Realtime Syntax Highlighting Behaviour has changed in NiFi 2.6.0
> ----------------------------------------------------------------
>
> Key: NIFI-15373
> URL: https://issues.apache.org/jira/browse/NIFI-15373
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core UI
> Affects Versions: 2.6.0, 2.7.0, 2.7.1, 2.7.2
> Reporter: Josef Zahner
> Priority: Minor
> Attachments: image-2025-12-19-07-09-24-878.png,
> image-2025-12-19-07-10-16-050.png
>
>
> The Realtime property value syntax highlighting has been changed in NiFi >
> 2.5.0. Let me provide two different examples from NiFi 2.7.1:
> # Parameters are not anymore checked at the time of writing whether they are
> valid, as soon as you enter “#{" and type, the word will be automatically
> always coloured.
> !image-2025-12-19-07-09-24-878.png|width=293,height=184!
> # The same for NiFI Expression Language functions, as soon as you type
> "{{{}${your-var:}"{}}} the function will be coloured and not only if it's a
> valid function. In my example you can see that even "{{{}bla(){}}}" has been
> coloured even thought it doesn't exists.
> !image-2025-12-19-07-10-16-050.png|width=297,height=187!
> This change/bug makes the endusers life really a lot more difficult as the
> live check is missing. You always have to press "Ok" and "Validate" or
> "Apply" to see whether the statement was correct or not.
> The answer from [~mcgilman] in Slack to this behaviour was the following:
> "{_}This is a consequence of {color:#de350b}*migrating to the latest version
> of Codemirror*{color} (see Jira Link below). Previously we were on a legacy
> version that needed to be migrated to a new major version. We are now on the
> latest major version and it has replaced syntax highlighting from a character
> streaming API to a lezer grammar that is compiled at build time.
> {color:#de350b}*Support for valid tokens at runtime would need to further
> evaluation.*{color}{_}{color:#de350b} *"*{color}
> We would really appreciate if the behaviour on the newest NiFi versions would
> be the same as in earlier versions.
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