Looks to me like you have nulls in your list. ListView isn't lenient  
enough to handle such lists, so you should purge the list; get rid of  
the nulls.

Eelco


On Oct 3, 2006, at 5:36 PM, kevinr wrote:

>
> I'm receiving a null pointer exception within the ListView  
> component. The
> ListView is trying to render null ListItems. From what I can see,
> populateItem isn't even being called. I can't tell if this is a  
> bug, or if
> I'm doing something wrong. I'm using ListViews in other sections of  
> my code
> and I do not see anything different as far as how I am utilizing  
> them. I'm
> using version 1.2.1. If anyone has seen this issue before, please  
> let me
> know. Any help is appeciated.
>
> Thanks in advance.
>
> He's a partial of the stack trace:
> WicketMessage: Exception in rendering component: [MarkupContainer  
> [Component
> id = panel, page = com.verisign.switchnet.ui.pages.OperatorAdmin,  
> path =
> 2:panel.OperatorAdmin$OperatorEditPanel, isVisible = true,  
> isVersioned =
> true]]Root cause:java.lang.NullPointerException     at
> wicket.markup.html.list.ListView.renderItem(ListView.java:677)     at
> wicket.markup.html.list.ListView.onRender(ListView.java:638)     at
> wicket.Component.render(Component.java:1518)
>
>
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> NullPointerException-in-ListView-tf2376982.html#a6622774
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>
>
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