Does openjdk 1.8.0_242 supports Java Flight Recorder?

Question

I want to run a java application with JFR enabled. When I start my application as below java -XX:+UnlockCommercialFeatures -XX:StartFlightRecording

I get following erro

Answer 1

No it does not. As per the release notes for openjdk8u262, it is supported in OpenJDK 8 update 262.

New features - JDK-8223147: JFR Backport