--- old/src/hotspot/share/memory/metaspaceTracer.cpp 2019-12-03 19:37:00.000000000 -0800 +++ new/src/hotspot/share/memory/metaspaceTracer.cpp 2019-12-03 19:37:00.000000000 -0800 @@ -62,7 +62,7 @@ E event; if (event.should_commit()) { event.set_classLoader(cld); - if (cld->is_unsafe_anonymous()) { + if (cld->is_shortlived()) { event.set_unsafeAnonymousClassLoader(true); } else { event.set_unsafeAnonymousClassLoader(false);