Hi Sunny, http://en.wikipedia.org/wiki/Comet_(programming) : gives overview abt server side push.
And also you can use HttpSessionListener to listen for session expiry event, instead of using timer to detect the same. -Prakash M. On Jun 24, 6:38 pm, StrongSteve <swe.sta...@gmail.com> wrote: > @Sunny: > Although you found the thread on the server there is no way (except > polling) to inform the user/client/browser about the occurrence of > this event. > > @Bruno: > Nice solution, but it is basically a counter/timer on the client side. > Please correct me if I am wrong. You specify a time and after the time > has run off, the user gets logged off. Except if his is clicking a > special button in the small window of opportunity. > > Basically what you all want to do is to kick the user after he/she has > worked for an amount of time. > From my point of view this differs from the concept of session. Those > define a timeout of inactivity time - not a maximum working time > (There is a great difference in limiting the time a user has to max. > 30 minutes or set the maximum inactivity time to 30 minutes). If this > time is reached the session object is removed from the server. Why? In > order to free up resources on the server side. > In your client timer solutions how to you ensure that the session > object gets removed from the server? > In order for your solution to work properly you need to start your > server with an infinite session timeout and this can very easily be a > problem if your session-object-free-up mechanism fails. > > Greetings > Stefan > > On 24 Jun., 14:51, Bruno Lopes <bruno.lourenco.lo...@gmail.com> wrote: > > > > > Hi > > > I have the solution :) > > > Check the file atttached > > > Hope it helps :) > > > Bruno > > > On Thu, Jun 24, 2010 at 12:56 PM, Sunny <pratik.sachd...@gmail.com> wrote: > > > Hi Stefan, > > > Thanks for the suggestion but i cannot do that because that will > > > create too much of network traffic. > > > Mean While i have found a way to identify the DAEMON THREAD for the > > > session that has recently expired > > > but i still need a way to send the message to correct widget, in my > > > case a Label, to show the message to the user. > > > > Thanks > > > Sunny > > > > On Jun 24, 4:49 pm, StrongSteve <swe.sta...@gmail.com> wrote: > > > > Hi Sunny, > > > > > You need some kind of polling solution. > > > > > For example an invisible frame on the client side that asks the server > > > > periodically (f.e. every second) if the session is still valid. > > > > If not, then this invisible frame will display an alert box on the > > > > client side informing about the session expiration. > > > > > Greetings > > > > Stefan > > > > > On 24 Jun., 12:02, CIAO <pratik.sachd...@gmail.com> wrote: > > > > > > Hi, > > > > > What i am trying to do is that I have created a simple login page > > > > > through which user identifies himself, after successful authentication > > > > > of the user as soon as he enters the data page a cookie is created on > > > > > the client side with a session name string in it also the same session > > > > > name and the time of creation of the session gets stored in a Hash-map > > > > > on the server side say if user does not logs out then his session > > > > > continues to persists till the session is timed out. Also at the time > > > > > of session expiry the cookie gets deleted and the value from the Hash- > > > > > map is removed by a timer task running on the server side. thereby > > > > > removing all the information about that session from the application > > > > > > Now the problem is Say that user has opened a window (Session) and has > > > > > forgotten about it then he will remains logged in (Till he refreshes/ > > > > > Closes the browser/Sign-out) in-spite of the fact that his session has > > > > > expired. > > > > > What i want to do is that as soon as the timer task discovers that the > > > > > session has expired it should send the user information that "your > > > > > session has expired" and log him out automatically. > > > > > > mind that the hash-map used is a static map and its method for > > > > > inserting the values has been kept as synchronous to cater to > > > > > different browser/Systems > > > > > > Thanks in Advance > > > > > Sunny > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Google Web Toolkit" group. > > > To post to this group, send email to google-web-tool...@googlegroups.com. > > > To unsubscribe from this group, send email to > > > google-web-toolkit+unsubscr...@googlegroups.com<google-web-toolkit%2Bunsubs > > > cr...@googlegroups.com> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/google-web-toolkit?hl=en. > > > SessionTimeOutControl.java > > 6KAnzeigenHerunterladen -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. 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