[jira] [Commented] (NIFI-4407) Non-EL statement processed as expression language

["Pierre Villard (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-4407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16175418#comment-16175418 ] 

Pierre Villard commented on NIFI-4407:
--------------------------------------

It seems to be the expected behaviour if we look at {{org.apache.nifi.attribute.expression.language.TestQuery}}
Instead of a bug, it could be something to document in https://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html

> Non-EL statement processed as expression language
> -------------------------------------------------
>
>                 Key: NIFI-4407
>                 URL: https://issues.apache.org/jira/browse/NIFI-4407
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.0.0, 1.1.0, 1.2.0, 1.1.1, 1.0.1, 1.3.0
>            Reporter: Pierre Villard
>            Priority: Critical
>
> If you take a GFF with custom text: {{test$$foo}}
> The generated text will be: {{test$foo}}
> The property supports expression language and one $ is removed during the EL evaluation step. This can be an issue if a user wants to use a value containing to consecutive $$ (such as in password fields).



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