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https://issues.apache.org/jira/browse/NIFI-4407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16547563#comment-16547563
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ASF subversion and git services commented on NIFI-4407:
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Commit 72a5e6bfba1597f6174223f3afc85de478d49898 in nifi's branch
refs/heads/master from [~markap14]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=72a5e6b ]
NIFI-4407: Updated Expression Language Guide to provide details about how
escaping $ is accomplished, and when the $ character should and should not be
escaped. Fixed bug in the Query compiler that mistakenly would blindly replace
484 with $ even when the 484 did not precede an Expression. Added additional
test cases.
Signed-off-by: Pierre Villard <[email protected]>
This closes #2898.
> 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
> Assignee: Mark Payne
> Priority: Critical
> Fix For: 1.8.0
>
>
> 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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