> Are you just missing the getter for user? Struts2 has to call
> getUser().getGroups().
The action has getters and setters for both user and groups, and the user
object has a getter/setter for its groups attribute.
> I never have these two attributes pointing to the same property. It may
> work, but it's the first place I'd look for type conversion problems.
> My list attribute always points to a List with key and value entries for
> the select and the name attribute always points to a String[] that will
> contain the selected key values.
Thanks for the pointer on that, I was wondering what the difference between
them was; however, I don't think that is quite the issue in this case (yet).
Taking your advice on having a String[] for the name attribute, I can do an
<s:updownselect list="groups" name="groupKeys" /> and that collection
displays its data, but when I have <s:updownselect list="user.groups"
name="groupKeys" /> the JSP throws the same exception as the
<s:optiontransferselect> snippet that is causing headaches.
Apr 2, 2008 10:33:18 AM org.apache.catalina.core.ApplicationDispatcher
invoke
SEVERE: Servlet.service() for servlet jsp threw exception
tag 'updownselect', field 'list': The requested list key 'user.groups' could
not be resolved as a collection/array/map/enumeration/iterator type.
Example: people or people.{name} - [unknown location]
It is baffling me at this point because they are the same data type, and
getters/setters exist for all the related objects... *scratches head*
-Ryan
Jeromy Evans - Blue Sky Minds wrote:
>
> ryangr wrote:
>
>> With that being said...I can populate the list "groups" just fine, but
>> when
>> I try to use "user.groups" to get the other list it throws an exception
>> that
>> says: "The requested list key 'user.groups' could not be resolved as a
>> collection/array/map/enumeration/iterator type." What am I doing wrong?
>> It's
>> probably pretty obvious, but this hasn't exactly been a good week for
>> concentration so far. ;)
>>
>
> Are you just missing the getter for user? Struts2 has to call
> getUser().getGroups().
>
>
>> I have the following for code in my JSP:
>>
>> <s:optiontransferselect
>> name="user.groups"
>> list="user.groups"
>
> I never have these two attributes pointing to the same property. It may
> work, but it's the first place I'd look for type conversion problems.
> My list attribute always points to a List with key and value entries for
> the select and the name attribute always points to a String[] that will
> contain the selected key values.
>
>
>
>
>
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