Summary: Use jcmd GC.class-histogram because it also works for verifying that the classes are loaded. open webrev at http://cr.openjdk.java.net/~coleenp/2020/8236901.01/webrev bug link https://bugs.openjdk.java.net/browse/JDK-8236901 Ran tier1 which runs the test on all Oracle platforms. Thanks, Coleen