Mark Payne created NIFI-829:
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             Summary: When using InvokeHTTP, the provenance lineage indicates 
that it has a cycle and produces an error instead of showing the lineage
                 Key: NIFI-829
                 URL: https://issues.apache.org/jira/browse/NIFI-829
             Project: Apache NiFi
          Issue Type: Bug
          Components: Extensions
            Reporter: Mark Payne
             Fix For: 0.3.0


InvokeHTTP emits CLONE and RECEIVE provenance events but would expect a 
CONTENT_MODIFIED. This is a good example, like FetchHDFS, where we really need 
a FETCH provenance event, because the content is being modified by replacing it 
with the result of a network request.

In the meantime, though, the RECEIVE I think should instead be a 
CONTENT_MODIFIED.

Also, I think that a FORK may be more appropriate than a CLONE, since the 
content of the newly created FlowFile is also changed in the processor.



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