Het is geïntroduceerd in Facelets 2.x . Gezien het feit dat het niet werkt, gebruikt u Facelets 1.x .
Facelets 2.x is not standalone available. It is embedded in JSF 2.x. If you can, upgrade to JSF 2.x. If you can't, then you've either to wrap the model in a custom model which holds the index as well, or to grab
instead if your view markup allows it (it's a view build time tag, not a view render time tag), or to grab Tomahawk's
instead which has a
rowIndexVar attribute for this purpose.
Update as per the comments, you turn out to be using RichFaces. In that case, you can also use the
which offers both a