RE: problems tracking session from page to page

[Geoff Howard]

which you can do with the create-session="true" attribute on xsp:page.  see 
the docs.

Geoff

At 05:37 AM 6/5/2003, you wrote:
You have to create a session object first.

Regards
shoaib
-----Original Message-----
From: Mike Lenyon [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 27, 2003 9:38 AM
To: [EMAIL PROTECTED]
Subject: Re: problems tracking session from page to page
shoaib,

thanks for your response.  the context in which i'm trying to use the 
session object is xsp.  unfortunately, merely starting my xsp with

<xsp:page
    language="java"
    xmlns:xsp="<http://apache.org/xsp>http://apache.org/xsp";
xmlns:xsp-request="<http://apache.org/xsp/request/2.0>http://apache.org/xsp/request/2.0";

xmlns:xsp-session="<http://apache.org/xsp/session/2.0>http://apache.org/xsp/session/2.0";>

causes the error message:
java.lang.IllegalStateException: Cannot create a session after the 
response has been committed

Mike Lenyon
----- Original Message -----
From: <mailto:[EMAIL PROTECTED]>shoaib
To: <mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED]
Sent: Monday, May 26, 2003 9:16 PM
Subject: RE: problems tracking session from page to page
Why dont you use XSP and then use session object of XSP just as you use in 
normal case of JSP page.

Regards
Shoaib
-----Original Message-----
From: Mike Lenyon [mailto:[EMAIL PROTECTED]
Sent: Tuesday, May 27, 2003 4:53 AM
To: <mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED]
Subject: problems tracking session from page to page
hi all,

i'm a cocoon newbie.  i created a couple of pages that store values in the 
session.  i've tried retrieving those values from the session with calls 
like request.getSession(), but i get an error each time i make such a 
call:  "Cannot create a session after the response has been committed."

so i think, ok, cocoon will track the session for me from page to 
page.  all i need to do is use tags like this:

<xsp-request:set-attribute name="current-quote">
    <xsp:expr>currentQuote</xsp:expr>
</xsp-request:set-attribute>
and this:
<xsp-request:get-attribute name="current-quote"/>

unfortunately, what i've found is that no state is maintained from page to 
page just using the above tags.

in the past, using servlets and jsp, i was accustomed to getting the 
session (by calling request.getSession()) whenever i was ready and storing 
objects in it and retrieving objects from it.  but with cocoon, i get the 
afforementioned error each time i call request.getSession().

what am i doing wrong?  what's a better way to track the session from one 
page to the next?  there are multiple points of entry into my website and 
i would like to avoid redirecting users to a page where a session gets created.

thanks in advance for your help.

Mike Lenyon


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