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https://issues.apache.org/jira/browse/NIFI-3600?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998830#comment-15998830
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ASF subversion and git services commented on NIFI-3600:
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Commit 5f65b2561a25a10289a1a10c5325042ed988b105 in nifi's branch 
refs/heads/master from [~jeremy.dyer]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=5f65b25 ]

NIFI-3600 Improve logging and relationship routing for failures in DeleteHDFS

realized that the session should be cloned here because its inside a for loop 
and the original flow file would be transferred but not be the latest flow file 
if an error occurred in the for loop

@trixpan at a high level what do you think about this approach?

NIFI-3600: Added unit test

NIFI-3600: Removed the hdfs.error.code attribute
Signed-off-by: Matt Burgess <mattyb...@apache.org>

This closes #1595


> Improve logging and relationship routing for failures in DeleteHDFS
> -------------------------------------------------------------------
>
>                 Key: NIFI-3600
>                 URL: https://issues.apache.org/jira/browse/NIFI-3600
>             Project: Apache NiFi
>          Issue Type: Improvement
>            Reporter: Jeremy Dyer
>            Assignee: Jeremy Dyer
>             Fix For: 1.2.0
>
>         Attachments: NIFI-3600_unit_test.patch
>
>
> Currently if DeleteHDFS attempts to delete a file and does not have 
> permissions to delete that file the flowfile session is rolled back and 
> penalized. This causes the incoming connection into DeleteHDFS to build up 
> over time and not process at all.
> This enhancement would add a new relationship to DeleteHDFS where files 
> failures to delete a file strictly tied to invalid permissions would be 
> routed given the end user the opportunity to react to those invalid 
> permissions through another approach.



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