Yeah that would work... the HttpSession object is session in JSP.
Greg.
"Paul Franz" <[EMAIL PROTECTED]> on 2002/07/11 12:02:29 PM
Please respond to "JDJList" <[EMAIL PROTECTED]>
To: "JDJList" <[EMAIL PROTECTED]>
cc:
Subject: [jdjlist] Re: Caching issue
Don't JSPs support session objects? (I have never done any JSP stuff just
Servlets). If so, couldn't you save the variables (or even the HTML page)
in
a session variable.
Paul Franz
----- Original Message -----
From: "Raja Periyasamy" <[EMAIL PROTECTED]>
To: "JDJList" <[EMAIL PROTECTED]>
Sent: Thursday, July 11, 2002 11:42 AM
Subject: [jdjlist] Re: Caching issue
> Paul and Greg:
>
> Thanks for the feedback.
>
> I can not recreate the form or explicitly specify the
> file name for the 'go back' button on the error page.
> Because this error page is common to all the JSP
> pages. The only code I can associate with that button
> is 'window.history.back()'.
>
> Any other thoughts ...
>
> Thank you.
>
> -Raja
>
>
> --- [EMAIL PROTECTED] wrote:
> >
> >
> > You can use the following example of JavaScript to
> > skip over pages that you
> > don't want cached:
> >
> > (See attached file: page3.html)(See attached file:
> > page2.html)(See attached
> > file: page1.html)
> >
> > Look for the line:
> >
> > <A
> >
> HREF="javascript:location.replace('page2.html')">Page
> > 2</A>
> >
> > I use it with the code you outlined to prevent
> > caching of the JSP/Servlet pages and to prevent the
> > error you are seeing.
> >
> > HTH,
> > Greg.
> >
> >
> >
> >
> >
> > Raja Periyasamy <[EMAIL PROTECTED]> on 2002/07/11
> > 10:49:56 AM
> >
> > Please respond to "JDJList"
> > <[EMAIL PROTECTED]>
> >
> > To: "JDJList" <[EMAIL PROTECTED]>
> > cc:
> >
> > Subject: [jdjlist] Caching issue
> >
> >
> >
> > I get 'Page has expired' warning when I use
> > JavaScript
> > code 'window.history.back()'.
> >
> > Here is the problem instance. All our JSP pages are
> > not cached. We have the following scriplet code in
> > our
> > JSP pages :
> >
> > response.setHeader( "Cache-Control", "no-cache"
> > );
> > response.setDateHeader( "Expires", 0 );
> > response.setHeader( "Pragma", "No-cache" );
> >
> > We've a JSP page that shows a input form. Enter some
> > invalid data and submit to a servlet. ( FORM action
> > is POST ). Error JSP page is displayed. Click on 'go
> > back' button on the error page. The link to the 'go
> > back' button is 'javascript:window.history.back()'.
> > This causes the 'Page has expired' warning page.
> >
> > If I make that particular form JSP page cached, that
> > is comment the above lines, I get the form page with
> > previously entered values when I hit the 'go back'
> > button.
> >
> > Is there any solution to go back to the form page
> > without getting the warning page and without making
> > that form JSP page cached, when I hit 'go back'
> > button
> > on the error page?
> >
> > Any help would be greatly appreciated.
> >
> > Thank you.
> >
> >
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Sign up for SBC Yahoo! Dial - First Month Free
> > http://sbc.yahoo.com
> >
> > To change your membership options, refer to:
> > http://www.sys-con.com/java/list.cfm
> >
> >
> >
> >
> >
> <HR>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0
> Transitional//EN">
>
> <html>
> <head>
> <title>Untitled</title>
> </head>
>
> <body>
>
> <A
> HREF="javascript:location.replace('page4.html')">Page
> 4</A>
>
> </body>
> </html>
>
> <HR>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0
> Transitional//EN">
>
> <html>
> <head>
> <title>Untitled</title>
> </head>
>
> <body>
>
> <A
> HREF="javascript:location.replace('page3.html')">Page
> 3</A>
>
> </body>
> </html>
>
> <HR>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0
> Transitional//EN">
>
> <html>
> <head>
> <title>Untitled</title>
> </head>
>
> <body>
>
> <A
> HREF="javascript:location.replace('page2.html')">Page
> 2</A>
>
> </body>
> </html>
> > To change your membership options, refer to:
> > http://www.sys-con.com/java/list.cfm
> >
>
>
> __________________________________________________
> Do You Yahoo!?
> Sign up for SBC Yahoo! Dial - First Month Free
> http://sbc.yahoo.com
>
> To change your membership options, refer to:
> http://www.sys-con.com/java/list.cfm
>
To change your membership options, refer to:
http://www.sys-con.com/java/list.cfm
To change your membership options, refer to:
http://www.sys-con.com/java/list.cfm
