This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
Are you trying to send a list of string values in a single hidden variable? If so, consider concatenating the values together with comma separators - the jsp/servlet side will get a single long string you can take apart into the individual values.