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https://issues.apache.org/jira/browse/NIFI-11763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17741991#comment-17741991
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David Handermann commented on NIFI-11763:
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[~HennigD2] Thanks for describing this issue. The change to block access to
context parameters in evaluateELString() was intentional as described in
NIFI-10674. The change was necessary because evaluateELString() enabled
bypassing framework restrictions on access sensitive values from a
non-sensitive location.
Thanks for providing the reproduction flow definition, but can you provide any
additional details regarding the intended use case?
> evaluateELString not evaluating ContextParameters
> -------------------------------------------------
>
> Key: NIFI-11763
> URL: https://issues.apache.org/jira/browse/NIFI-11763
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.21.0, 1.22.0
> Environment: Linux NiFi 3 nodes cluster - 8 CPU core +32 GB of RAM
> per node
> Reporter: Dirk Hennig
> Priority: Major
> Attachments: Complex_UpdateAttribute_Test.json
>
>
> When using Expression Language it was possible to lookup parameters from
> ContextParameters and variables from VariableRegistry. Examples:
> ${ literal('#\{Tenant-Testing-HOST1}'):evaluateELString() }
> ${ literal('${Testvar}'):evaluateELString() }
> Both were working in NiFi 1.18.0. Now with NiFi version 1.21.0 this stopped
> working for ContextParameters and only lookups of varaibles are working.
> Please see the attached template with an example flow.
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