sun.security.provider.PolicyFile$PolicyEntry.toString() throws MissingResourceException because there is NO resource for "SPACE" in sun.security.util.Resources

Exception is thrown when run below code, "java.util.MissingResourceException: Can't find resource for bundle sun.security.util.Resources, key SPACE"

    public static void printPolicy() throws Exception {
        Policy policy = Policy.getPolicy();
        System.out.println("should be PolicyFile: " + policy.getClass().getName());
        Class policyFileClass = Policy.getPolicy().getClass();

        // private AtomicReference<PolicyInfo> policyInfo = new AtomicReference<>();
        Field policyInfoField = policyFileClass.getDeclaredField("policyInfo");
        policyInfoField.setAccessible(true);

        Object policyInfo = ((AtomicReference)policyInfoField.get(policy)).get();
        Class policyInfoClass = policyInfo.getClass();
        System.out.println("should be PolicyInfo: " + policyInfoClass.getName());

        Field policyEntriesField = policyInfoClass.getDeclaredField("policyEntries");
        policyEntriesField.setAccessible(true);
        List policyEntries = (List)policyEntriesField.get(policyInfo);
        for (Object entry : policyEntries) {
            System.out.println("**** PolicyEntry: " + entry);
        }
    }