On this tutorial : http://hortonworks.com/hadoop-tutorial/how-to-refine-and-visualize-sentiment-data/
The Pre-Requisites link for the gzip NiFi download is broken. Does someone have an updated link?
We recently redid our site. Check out this link, there is a download for a .gz on this page
Additionally, you can find links to the complete set of HDF 1.2 repo locations in the HDF 1.2 Release Notes: