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https://issues.apache.org/jira/browse/NIFI-7596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Handermann resolved NIFI-7596.
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Resolution: Duplicate
Closing as duplicate in favor of NIFI-9894, which describes the same feature
request with some additional details.
> InvokeHTTP - Get Request Body From Attribute
> --------------------------------------------
>
> Key: NIFI-7596
> URL: https://issues.apache.org/jira/browse/NIFI-7596
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Reporter: Mermillod
> Priority: Minor
>
> *Use case :* the flow file contains 1 big data (ex : PDF or pictures), but
> you want to lookup metadata with InvokeHTTP using a POST (or PUT). POST is
> often used in http API for "search" with lot of params or list of params.
> Other exemple is the 3-steps batch-upload of products like Nuxeo or
> Salesforce Bulk API : you need to "open" a batch with a POTS invokeHTTP.
>
> *Proposition* : In the InvokeHTTP, add a "Get Request Body From Attribute"
> (like Put Response Body In Attribute). If this field not empty, the chosen
> attribute will be read as the request, insted of the flow file.
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