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https://issues.apache.org/jira/browse/NIFI-2923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15788102#comment-15788102
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ASF GitHub Bot commented on NIFI-2923:
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Github user pvillard31 commented on the issue:
https://github.com/apache/nifi/pull/1148
Hi @mauriziocolleluori,
If you still encounter issues in UI when testing properties while using
expression language, please check that nifi.kerberos.krb5.file is correctly set
in your nifi.properties file (and reference a readable file).
In addition, it would be great to do the same kind of modification in Kafka
processors where Kerberos principal is also a property. Let me know if you are
OK to do it, otherwise, I'll do it. Thanks!
> 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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