appsjava

Hi, Firstly,let me thank for activation of java.My problem is as described here : I have the following domain registered through heliohost on johnny server http://www.javaapps.heliohost.org, My heliohost account name is appsjava. I have a jsp called index.jsp in testServlet folder under public_html,after activation of java on johnny the index.jsp contents are displayed properly, however when the servlet file viz., testServlet is invoked an error 404-page not found is displayed. Could you please advice me as to what must be done to address this issue. Thanks