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From "James Carman" <ja...@carmanconsulting.com>
Subject Re: BeanUtils setProperty IllegalArgumentException: Null property value for property
Date Sat, 15 Sep 2007 03:08:38 GMT
The City object must be instantiated already, I believe.  And, you
might want to try using setNestedProperty() rather than setProperty().

On 9/14/07, Néstor Boscán <nestor.boscan@tcs.com.ve> wrote:
> Hi
>
> I suppose that this has been asked and answered before but I can't find the
> solution. I have some classes like this:
>
> public class Address {
>   private City city;
>
>   public City getCity () { return city; }
>
>   public void setCity (City city) { this.city = city; }
> }
>
> public class City {
>   private String name;
>
>   public String getName ( return name; }
>
>   public void setName (String name) { this.name = name; }
> }
>
> And I'm trying to set the city's name like this:
>
> PropertyUtils.setProperty (address, "city.name", "Toronto");
>
> And I'm getting IllegalArgumentException: Null property value for 'name'.
>
> Now I checked the 1.6 BeanUtils code and it doesn't instantiate the class
> anywhere. Is this something that BeanUtils does?. If not does anybody knows
> another technology that can do this?
>
> Regards,
>
> Néstor Boscán
>

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