i'm interessed by a project sample to create a portlet on jboss Portal.

every time my portlet show but is nothing in portlet

can you help me please.

for redirect to my ExtGxt file i wrote:
writer.println("<script language='javascript' src='"
+ renderRequest.getContextPath()
+ "/MyApp.nocache.js'></script>");


in my class
public class MyApp extends GenericPortlet
in DoView function

thank for you help