Struts Actions and redirected URL's

[Lydia P]

Any suggestions will be greatly appreciated!

I have a search Action that returns a list of objects in tablular format 
from a query to one database table.
An object can be selected via a radio button, and deleted via a "Delete" 
button/Action.

The delete Action checks to see if this object exists in another 
database table.  If the object exists in other tables, I do not want the 
object deleted from the main table.  The logic for delete works fine, 
however, I want to let the user know WHY the object isnt being deleted, 
I am already using errors.add in other places, but can not use it here 
because of a different way of forwarding.
The results list table from the search has a URL that looks like :
context-root/inventory/executeSearch.do
If I use :
   return (mapping.findForward("success"));
Then an application resource message can be returned , but the URL for 
the original page is lost and it shows:
context-root/inventory/delete.do?serial=1122357&returnUrl=L2FjdGl2YXRlL2ludmVudG9yeS9leGVjdXRlU2VhcmNoLmRv

To resolve the URL problem, here is the URL code snippet with its 
corresponding actionForward:
String base64ReturnUrl= form.getReturnUrl();
           String returnUrl = null;
           if (base64ReturnUrl!=null){
               //get rid of the "/activate" from the url since the 
ActionForward will tack
               //that on as a result of the contextRelative == true setting
               returnUrl=Base64.decode(base64ReturnUrl);
               int startIndex = returnUrl.indexOf("/",1);
               returnUrl=returnUrl.substring(startIndex);
.
.
.
           ActionForward forward = new 
ActionForward("dynDelRedirect",returnUrl, true, true);
           return forward;

Action mapping for this action in struts-config.xml:
       <action path="/delete" 
type="com.activate.inventory.actions.InventoryDelete" 
name="inventoryFormEdit" scope="request" validate="false" 
roles="InventoryDeleters">
           <exception key="errors.unknownExceptionMsg" 
path="tiles.generalError.page" 
type="com.activate.inventory.InventoryDelegateException"/>
           <forward name="success" path="tiles.inventory.search" 
redirect="false">
           </forward>
       </action>

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