Registry crashed with "An illegal reflective access operation has occurred"`

Running the latest version 2.2.3 with SQL storage and it seems that from time to time the application crashed with this exception:

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.jolokia.util.ClassUtil (file:/usr/share/java/jolokia-jvm-agent/jolokia-jvm.jar) to constructor sun.security.x509.X500Name(java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String)
WARNING: Please consider reporting this to the maintainers of org.jolokia.util.ClassUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations

Not sure how to debug this further. Note that it was also happening with older version, like 2.0.1

[jsenko]

From a quick search, it seems that the error is related to the Java module system. The target of reflection must be exposed by the module. Found this issue https://github.com/rhuss/jolokia/issues/394

Tbh, Jolokia has not yet been ported to Java 11 (nor really tested). This is on the todo list, but currently, I’m buried under work so that this has no high priority for me at the moment.

[PlugaruT]

OK that’s good news (although we should still investigate that warning). What was the actual cause of the crash?? Now I’m super curious. 😃

K8s node autoscaller was moving pods around nodes 😅 this were the only logs, hence my assumption.