using ReflectionToStringBuilder.toString on the URLClassLoader

throw java.lang.reflect.InaccessibleObjectException: Unable to make field private final java.security.AccessControlContext java.net.URLClassLoader.acc accessible: module java.base does not "opens java.net" to unnamed module @aec6354

The test code is
URLClassLoader urlClassLoader = new URLClassLoader(new URL[]{});String result = ReflectionToStringBuilder.toString(urlClassLoader);