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https://issues.apache.org/jira/browse/NIFI-4184?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16094103#comment-16094103
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ASF GitHub Bot commented on NIFI-4184:
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Github user ijokarumawak commented on the issue:
https://github.com/apache/nifi/pull/2007
@panelladavide I don't know any reason for not supporting EL with
REMOTE_OWNER/GROUP. I think applying EL at incoming FlowFile level is safe, and
wouldn't break anything because it just sets owner for a specific path.
It would be problematic if it changes FileSystem or HdfsResources instance
state those are reused from every onTrigger call. But again, setting owner
should just affect the specified path, so it should be fine.
I guess it's just written that way at the initial contribution and haven't
been requested until now.
> I needed to put some attributes on REMOTE_GROUP and REMOTE_OWNER in the
> PutHDFS Processor
> ------------------------------------------------------------------------------------------
>
> Key: NIFI-4184
> URL: https://issues.apache.org/jira/browse/NIFI-4184
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: dav
>
> I needed to put some attributes on REMOTE_GROUP and REMOTE_OWNER in order to
> achieve it i put expressionLanguageSupported(true) on the PropertyDescriptor
> of REMOTE_GROUP and REMOTE_OWNER
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