can't open my index ,jsp and error.jsp

[tmary]

Hi all
I have jbos4.0.2, emf , and lobz3.0.1, when I follow the
http://www.objectlearn.com/support/docs/creatingFirstJ2EEProject.jsp to create a simple j2ee application , I can't open my index.jsp , or error.jsp
what is wrong??
Thank you

[tmary]

can anyone just give a hit??
thank you