@kumar The default FlowFile attributes include: entryDate lineageStartDate fileSize filename path uuid The above FlowFile attribute key names are case sensitive. Thanks, Matt ... View more

@Simon Engelbert You don't need the listFile to use the FetchFile processor. The FetchFile processor also needs an input file to trigger. ... View more

@Sean Murphy Each Node in a NiFi cluster runs its own threads within its own processor working on its own set of FlowFiles. Nodes in a NiFi cluster have no knowledge of what FlowFiles are being worked on by other nodes. If you are seeing multiple copies of the same output, that suggest that each node in your cluster is processing the same files. I am not sure how your dataflow is designed to ingest the data it works on, but ideally you want to design it in such a way to prevent each node from ingesting the same data/files. Thanks, Matt ... View more

@Mothilal marimuthu Those processor were not introduced until Apache NiFi 1.0 / HDF 2.0. You screen shot shows you running NiFi 0.3 / HDF 1.1. ... View more