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https://issues.apache.org/jira/browse/NIFI-5152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16464769#comment-16464769
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Sivaprasanna Sethuraman commented on NIFI-5152:
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I saw the related question on Stackoverflow. Should this really be
`INPUT_REQUIRED`? I mean in some cases people might have situation where they
can use MoveHDFS to do a periodic archive from a static path where they can
simply go on using MoveHDFS without an upstream processor. I mean even after
making it INPUT_REQUIRED we can use something like GenerateFlowfile to do it..
but I'm just asking out of curiosity.
> MoveHDFS should have @InputRequirement(Requirement.INPUT_REQUIRED)
> ------------------------------------------------------------------
>
> Key: NIFI-5152
> URL: https://issues.apache.org/jira/browse/NIFI-5152
> Project: Apache NiFi
> Issue Type: Bug
> Affects Versions: 1.6.0
> Reporter: Bryan Bende
> Priority: Minor
>
> The onTrigger method of MoveHDFS will return when no incoming flow file is
> obtained, therefore the processor can only be used with an incoming
> relationships and should have the INPUT_REQUIRED annotation.
> If the expected behavior was to use the processor without an incoming
> relationship, then instead of requiring input, the code needs to be updated
> to handle both scenarios.
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