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https://issues.apache.org/jira/browse/WICKET-3225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Igor Vaynberg resolved WICKET-3225.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 1.5-M4
         Assignee: Igor Vaynberg

> SelectOptions onPopulate method exception will never be thrown
> --------------------------------------------------------------
>
>                 Key: WICKET-3225
>                 URL: https://issues.apache.org/jira/browse/WICKET-3225
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-extensions
>    Affects Versions: 1.5-M3
>         Environment: all
>            Reporter: Richard Emberson
>            Assignee: Igor Vaynberg
>            Priority: Trivial
>             Fix For: 1.5-M4
>
>
> In the extensions SelectOptions onPopulate method there is the following code:
>       Collection<? extends T> modelObject = (Collection<? extends 
> T>)getDefaultModelObject();
>   
>       if (modelObject != null)
>       {
>         if (!(modelObject instanceof Collection))
>         {
>           throw new WicketRuntimeException("Model object " + modelObject +
>             " not a collection");
>         }
> .....
> I suspect that the WicketRuntimeException will never be thrown because the 
> cast above it
> will fail first.

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