How do I use DataScroller?

[Sloan, Noah M]

So I'm doing this:

<h:dataTable>

....

   <f:facet name="footer">

     <t:dataScroller fastStep="10" pageIndexVar="BooklistPageIndex" 
pageCountVar="BooklistPageCount">

     </t:dataScroller>

   </f:facet>

</h:dataTable>

Which gets me a  /  by zero  Exception...

What did I do wrong?

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