Hi,
I have a dataTable that shows the result of a Collection (and this collection is a object's collection of the type named "Grupo").
Each row of this dataTable shows the Grupo's description and in this description I need a commandLink.
I obtained to show te collection, but when I submit te commandLink, a message is shown in Tomcat:
What is the problem??
The part of my JSP that contains te dataTable: