private Class<?> whiteListLoad(String className, boolean resolve) throws ClassNotFoundException {
            Class<?> clazz = null;
            if (!whiteList.isEmpty()) {
                if (!whiteList.contains(className)) {
                    // class is not allowed to load with current cl
                    return null;
                }
            }

            return super.loadClass(className, resolve);
        }
do load only if white list is not empty and class do in white list
test/test-integration/src/test/java/com/alipay/sofa/rpc/triple/ark/MultiClassLoaderTest.java