Thanks to all for your insights.  What I ended up doing was installing NiFi locally on my machine, still connected to my database server on the network.  I had to mess with the DB Connection Pool a bit to get the correct combination of Database Connection URL and userid and password, but I got it to write successfully to my hard drive locally.  Fortunately, I had a limit of 45 files set for the directory in my PutFile processor because I got 45 flowfiles in a heartbeat.  So, if you're testing this out, MAKE SURE YOU LIMIT YOUR NUMBER OF FILES before you attempt to run your processes!!! ... View more