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https://issues.apache.org/jira/browse/NIFI-5255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16496549#comment-16496549
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Matt Gilman commented on NIFI-5255:
-----------------------------------
As a workaround while the use case is evaluated, have you considered using a
funnel to merge the different sources into two output ports for A, B, C and for
B, C, D?
> UI - ability to connect multiple output ports to one input port
> ---------------------------------------------------------------
>
> Key: NIFI-5255
> URL: https://issues.apache.org/jira/browse/NIFI-5255
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core UI
> Reporter: Pierre Villard
> Priority: Major
>
> At the moment, when connecting two process groups, it's only possible to have
> 1-to-1 relationships to connect one output port to one input port.
> Here is my use case: I've one common process group collecting logs from
> multiple sources (A, B, C, D) and two process groups to process the logs. One
> of the process group should only process logs from A, B, C while the other
> should process logs from B, C, D.
> In the common process group, I've one output port per source (A, B, C, D). In
> each "processing" process group, I've one single input port (and I'll
> re-route if necessary based on the source). At the moment, I have to drag 6
> relationships to connect the common process group to the two others. I'd like
> to only draw 2 connections. When dragging the connection, I should be able to
> select multiple output ports from the common PG for one single destination.
> That would make the workflow easier to understand, and this approach much
> more scalable.
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