Problems initializing form objects

[Diego Manilla Suárez]

Hi! I have a problem with form members initialization.
I have this form.
public class BasicContentForm extends ValidatorForm {
   protected java.util.List propertyValues;
  
   public BasicContentForm() {
       this.propertyValues = new java.util.ArrayList();
   }
  
   public void setPropertyValues( java.util.List propertyValues ) {
       this.propertyValues = propertyValues;
   }   
  
   public java.util.List getPropertyValues() {
       return this.propertyValues;
   }
  
   public Object getPropertyValue(int index) {
       return propertyValues.get(index);
   }
  
   public void reset(ActionMapping mapping, HttpServletRequest request) {
       this.propertyValues = new java.util.ArrayList();
   }
}

And this jsp:
<logic:iterate name="basicContentForm" property="propertyValues" 
id="propertyValue">
<html:text name="propertyValue" property="value" indexed="true"/>
</logic:iterate>

The problem is that the number and type of the elements of 
propertyValues list is calculated dynamically (from the database). I was 
doing that on my Action class, but I've realized that this doesn't work: 
when I submit the form, I get an Exception at BeanUtils.populate, 
because the list is not properly initialized. If I can't initialize it 
on the reset() method (I need to access the database), what else can I do?

Thanks in advance
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