Well I cannot say "working properly" in my case because I have a different issue I am pursuing, but for the specific error "Introspecting scheme=jmx: script running failed (exited with code 1)" - yes this fixed it.
The JMX app files need to be owned and accessible by the user that is running the spunk process. When I found the mismatch, and corrected it, then the JMX data input could show up in the list. Reboot if you find and fix a permissions issue.
... View more