Hi Antwort ,
Thanx a lot for ur help.. Now i am able to create new session and if i not
perform any operations in that page on the specified time. that page is not comming
and if i click refresh button new page is comming... Well ............ But my
problem is while i entering into my web page the first screen is blank in the same
way while the page is expired after the particular time if i click any link that
page also blank....... can u give me some tips so that while i am entering my
web-page it should not come blank and it the same way after the page expired, some
message should come...
Thanx in advance
cheers
venkatesh
[EMAIL PROTECTED] wrote:
> Hi,
> to create a user-session you may try the following code in the doGet
> (...)/doPost (...) - handling-Methods :
>
> HttpSession oSession = roRequest.getSession (false); // try to get an
> exisiting session
>
> if (oSession != null)
> {
> // OK, anyone is been connected for the n-th time
>
> // continue ....
> performTask (....)
> }
> else
> {
> // - user tries to connect the first time, no cookie on the client
> -> no session
> // - sessiontimeout, all userdata are lost
> // this behaviour occurs too if you use an clustered webserver since
> all sessiondata residents only on one machine (!!!)
> // you can't determine, why the session is invalid
> oSession = roRequest.getSession (true); // get a new session
> without any attributes in
>
> // perhaps an errormessage or a login-handling or both
> } :
>
> All user-sessions will be invalidated by tomcat automatically. The timeout is
> defined in the WEB.XML in your %TOMCAT_HOME%/conf - Directory. Out-of-the-box
> this parameter is initialized with 30. This means, after approximately 30
> Minutes the user-session will be invalidated. The next HTTP-Request will run
> into the ELSE-case described above. Try any other values :-)
>
> venkatesan <[EMAIL PROTECTED]> am 15.02.2001 12:10:14
>
> Bitte antworten an [EMAIL PROTECTED]
>
> An: [EMAIL PROTECTED]
> Kopie: (Blindkopie: Ralf Bode/13/LBSH/DE)
>
> Thema: session creation?
>
> Hi All,
> I am creating web applications using servlets. can anybody tell
> that simple session creation for a particular user and invalidate after
> a specific time.
>
> Thanks
>
> cheers
> venkatesh
>
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