We have installed RFA jar 7.6.1.E2 and the latest version 8.1.0.E2 without any early compile concerns.
Please help confirm whether RFA8.1 is compatible/supported with RedHat Enterprise Linux 7.X-64 bit editions?
Also can you confirm which of your feeds: TREP ADS2.X, ADH2.X, ADH3.X, Elektron, RDF-D is compatible using RFA Java 8.1.0.E2