Method类和cglib有鲜为人知的一腿？该如何解决

    public void copy(Object from, Object to, Map<String, Object> context, Collection<String> exclusions, Collection<String> inclusions) {        if (from == null || to == null) {            LOG.warn("Attempting to copy from or to a null source. This is illegal and is bein skipped. This may be due to an error in an OGNL expression, action chaining, or some other event.");            return;        }        TypeConverter conv = getTypeConverterFromContext(context);        Map contextFrom = Ognl.createDefaultContext(from);        Ognl.setTypeConverter(contextFrom, conv);        Map contextTo = Ognl.createDefaultContext(to);        Ognl.setTypeConverter(contextTo, conv);        PropertyDescriptor[] fromPds;        PropertyDescriptor[] toPds;        try {            fromPds = getPropertyDescriptors(from);            toPds = getPropertyDescriptors(to);        } catch (IntrospectionException e) {            LOG.error("An error occured", e);            return;        }        Map<String, PropertyDescriptor> toPdHash = new HashMap<String, PropertyDescriptor>();        for (PropertyDescriptor toPd : toPds) {            toPdHash.put(toPd.getName(), toPd);        }        for (PropertyDescriptor fromPd : fromPds) {            //修改部分 begin            if("targetSource".equals(fromPd.getName()) || "callback".equals(fromPd.getName())                    || "callbacks".equals(fromPd.getName())){                continue;            }         //修改部分 end            if (fromPd.getReadMethod() != null) {                boolean copy = true;                if (exclusions != null && exclusions.contains(fromPd.getName())) {                    copy = false;                } else if (inclusions != null && !inclusions.contains(fromPd.getName())) {                    copy = false;                }                if (copy == true) {                    PropertyDescriptor toPd = toPdHash.get(fromPd.getName());                    if ((toPd != null) && (toPd.getWriteMethod() != null)) {                        try {                            Object expr = compile(fromPd.getName());                            Object value = Ognl.getValue(expr, contextFrom, from);                            Ognl.setValue(expr, contextTo, to, value);                        } catch (OgnlException e) {                            // ignore, this is OK                        }                    }                }            }        }    }