[castor-user] [XML] Unmarshalling collection with compound location attribute

[Ian Stride]

Hi,

I am having problems unmarshalling the XML below. I think the problem is 
with mapping the collection with a compound location attribute on the 
bind-xml element. The mapping file I have created (below) will marshall 
my Java object correctly, but the reverse (unmarshalling) does not work. 
The error I get is:

java.lang.IllegalStateException: Java schema change: Class 
GenericHolidayDealDetail$Image can no longer be constructed: 
GenericHolidayDealDetail$Image

I have tried many different mapping configurations to get to this point 
and I cannot see what else I can try. Any suggestions?

Input XML:

<topasXML>
 <response>
   <offer UID="1234">
     <property>
       <images>
         <image key="pic1">pic1.jpg</image>
         <image key="pic2">pic2.jpg</image>
       </images>
     </property>
   </offer>
 </response>
</topasXML>

The Java class:

public class GenericHolidayDealDetail {
   private String id;
   private List<Image> imageUrls;

   //getters and setters...
  
   //inner class
   public class Image {
       private String url;
       private String title;

      public Image(String url, String title) {
           this.url = url;
           this.title = title;
       }

      //getters and setters...
   }
}

Mapping file:

<mapping>
   <class name="GenericHolidayDealDetail">
       <map-to xml="topasXML" />
       <field name="id">
           <bind-xml name="UID" node="attribute" 
location="response/offer" />
       </field>
       <field name="imageUrls" type="GenericHolidayDealDetail$Image" 
collection="arraylist" >
           <bind-xml name="image" node="element" 
location="response/offer/property/images"/>
       </field>
   </class>
  
   <class name="GenericHolidayDealDetail$Image" 
verify-constructable="false">
       <map-to xml="image"/>
       <field name="url">
           <bind-xml node="text" />
       </field>
       <field name="title">
           <bind-xml name="key" node="attribute" />
       </field>
   </class>
</mapping>

Thanks,

Ian

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