fixed: WildcardTypeImpl cannot be cast to java.lang.Class

resolveClass

private Class<?> resolveClass(Type type) {
    Class<?> clazz;
    try {
        clazz = (Class<?>) type;
    } catch (ClassCastException e) {
        Type wildcardType = ((WildcardType) type).getUpperBounds()[0];
        clazz = (Class<?>) wildcardType;
    }
    return clazz;
}