@nishantgupta101    There is no reason you could not write your own custom script that connects to a FTPS endpoint to retrieve a file which can be called via the ExecuteStreamCommand processor.  There are also other script based processors that you can use. ... View more

Thnks Bryan ... View more

I have tried this mechanism and it works really well when using parameters for processors. But when it comes to parametrising controller services, the new key value pairs or updated key value pairs reflect in the services only after we restart the NiFi service. Is there a workaround to this?? The reason to parameterise controller service is that in an enterprise say we have many Oracle databases. Should we be creating a new controller service for every database or have just one controller service and pass it values from an external properties file?? ... View more