struts2 map of maps

[JeffShelley]

I'm trying to set a whole hierarchy (from a TON of checkboxes) coming in to a
request and not having much luck.  I'm using the spring object factory.  

I don't know whether the problem is in xwork, Spring, Struts or me.  Is what
I'm trying even possible?

Thanks!
--Jeff




------------EXAMPLE-------------------

Here's a simple case of what I'd like to do:

http://localhost:8080/picsWeb2/Test.action?data[12][5][hi]=true

Here's the error I'm getting:  ERROR - ParametersInterceptor -
[setParameters]: Unexpected Exception caught setting 'data[12][5][hi]' on
'class TestAction: Error setting expression 'data[12][5][hi]' with value
'[Ljava.lang.String;@1b0b765'


And here's the code:
public class TestAction extends ActionSupport {

        protected Map<Integer, Map<Integer, Map<String, Boolean>>> data = null;
        
        public String execute()
        {
                return SUCCESS;
        }

        public Map<Integer, Map<Integer, Map<String, Boolean>>> getData() {
                return data;
        }

        public void setData(Map<Integer, Map<Integer, Map<String, Boolean>>> 
data)
{
                this.data = data;
        }
}




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