Using Map with html:optionsCollection

[Lars Bergström <la...@systeam.se>]

Dear Struts users,

I am trying to get my html:optionsCollection to work with a TreeMap. I
don't
know if this is possible but on the Struts API page for the class
OptionsCollectionTag I read the following:

"The collection may be an array of objects, a Collection, an
Enumeration, an
Iterator, or a Map."
(
http://jakarta.apache.org/struts/api/org/apache/struts/taglib/html/Opti
onsCollectionTag.html)


Since TreeMap implements SortedMap which is a subinterface of Map,
TreeMap
should work fine, right?

However, when the page is loaded I get the folloing error text:
"HTTP ERROR: 500 No getter method available for property label for bean
under
name 1=LabelValueBean[Label 1, Value 1]"

Can anyone explain this error message? This seems strange to me.

The returntype in my ActionFormBean is TreeMap and the code snippet
where I
build up the TreeMap is like this:

eventGroups = new TreeMap();
eventGroups.put( new String( "1" ),
                 new LabelValueBean( "Label 1",
                                     "Value 1" ) );
eventGroups.put( new String( "2" ),
                 new LabelValueBean( "Label 2",
                                     "Value 2" ) );
eventGroups.put( new String( "3" ),
                 new LabelValueBean( "Label 3",
                                     "Value 3" ) );
((EventGroupBean)form).setEventGroups( eventGroups );
(


Best regards

Lasse



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