I was getting this same error for Java agents running on Corretto 11 and agent version 21.10.  As of version 21.11.3 the agents still failed to start up, but with version 21.11.4 they are starting up now.  We still have an issue with the agents not reporting Java memory metrics (like GCs), but that issue is plaguing us on some of our Java 8 JVMs as well. ... View more