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.
I was trying to send parameters through xmlHttp.send(params) and process them in my servlet class.
However, I could not retrieve those parameters in the servlet class by using request.getParameter("paramName");
and here is the code in my servlet class
now I am able to get and display "hahaha" in my webpage ,but all the parameters returned are all nulls.