Hello!    I had a similar problem. I have a Nifi cluster of 3 nodes, my problem was that the load was not blancing correctly and the input flowfile was from nodes 2 and 3 and the http was executing only in primary node.    You need to put the InvokeHTTP in: Scheduling -->Execution--> all nodes The connection before the InvokeHTTP: Settings --> load Balance Strategy --> Round robin   I don't now if this is your case. Let us know if this helps 🙂     ... View more