How to set and pass a Header Varible in Jsp

Hi ,
I am using Headervariable login module(which takes user id form http header variable) for single sign on.
I configured the login module stack. But to test i need a jsp from which i can pass the user id in http header.
to test if i am able to set the user id in http header , i have written 2 jsps
1. Header.jsp
In this , i am setting the user id
response.addHeader("UserId" ,"user1");
and i am posting it to HeaderResult.jsp
2.HeaderResult.jsp
In this, i am tryng to rretrieve it By using
request.getHeader("UserId");
But i am not geeting any value.
Can i set user defined header variables?if not, can i set the standard http header variabes,
Please help me with the code.
Thanks,
Lakshmi

Hi Deltev,
Yes it will be lost, should i use request.servervariable(Http_userid)?
The Headeresult.jsp is only to test if i am able to set the header .
Actaully ,from Header.jsp i am calling the portal(Login module stack configured to HeaderVaribleLogin).
the poratl expects the userid from Http Header from jsp i need to send this in header.
How do i do this. I am missing something while passing the userid in header.
Please lete me know.
Thanks,
Lakshmi

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