code: private void beAccessible(Method method) {
          try {
              method.setAccessible(true);
          } catch (RuntimeException e) { // for Java9 headache
              String msg = "Failed to set accessible to the field: " + method;
              throw new BeanMethodSetAccessibleFailureException(msg, beanDesc.getBeanClass(), method, e);
          }
      }
docs: ============