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https://issues.apache.org/jira/browse/NIFI-2923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15602992#comment-15602992
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ASF GitHub Bot commented on NIFI-2923:
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Github user bbende commented on the issue:
https://github.com/apache/nifi/pull/1148
Thank you for contributing. In addition to adding the
expressionLanguageSupported flag on the property descriptors, we would also
need to go through the code and find every place where the properties are
evaluated, for example:
https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-hadoop-bundle/nifi-hdfs-processors/src/main/java/org/apache/nifi/processors/hadoop/AbstractHadoopProcessor.java#L283
And that would need to call evaluateAttributeExpressions().
> Add expression language support to Kerberos parameters used by processors
> -------------------------------------------------------------------------
>
> Key: NIFI-2923
> URL: https://issues.apache.org/jira/browse/NIFI-2923
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Maurizio Colleluori
> Priority: Minor
>
> Kerberos properties (e.g. principal, keytab) available as attributes in
> certain processors (e.g. HDFS processors) only accept a constant value.
> Support for expression language could be enabled and allow for
> parameterisation.
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