Detect browser closing

In my company, we have a requirement to display a message to the user whenever they close the browser while in the EP.
Is there any config or hacks (javascript, etc) to detect the browser closing to display a message box?
Thanks.

Hello,
We have similar requirement, did you get any solution for this ??
Please post if so...
Thanks

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Detecting browser closing

Is there a way to detect when the safari browser closing? I am writing a web application that needs to detect when a user abandons the website.

How perfect do you need it to be? You can use the onblur() event of the window, but there is no guarantee that it will be called. The only real guarantee is a missed heartbeat.

Servlet to detect browser closing

if a user closes a browser instead of clicking on something like "logout", then, how the servlet can detect that the user exits out the application, and update the database accordingly, for example, the time the user spent for that application?
i tried to use javascript, onunload, but it will trigger every back, refresh, and any link clicking event. so i'm wonder, if there's a way a servelet can detect it directly.
thanks a lot.
cc

The design is shaky at best, too.
The idea that somebody who logs on to the application and then closes the browser 10 minutes later, actually spent 10 minutes on the application, is hard to support. It's also possible they spent 9 of the minutes checking their e-mail in a different browser window, then closed all the windows.

Catch Browser closing

Ahh come on, has anyone found a workaround for detecting the browser closing so the session may be ended. This seems like a major in working with web apps.

Hi!
Use HttpSessionListener for session tracking.
It provides two methods sessionCreated() and sessionDestroyed().
When browser closing you get an event to sessionDestroyed method, there is also such event on session timeout.
Regards,
parasolko

How to detect Browser using JSP ?

Hi friends,
I wanna to put some code to detect browser and
Other than IE6+ i have to block other browser to display login.
How do i check that ? Using JSP.
e.g.
If i open IE6+ login page should be displayed. Else on other browsers
it will check brower and deny to display login page.
How Do i check it ? please Help me.

this code works for me in IE,Safari and firefox but i could not check in netscape as i dont have.
String userAgent = request.getHeader("User-Agent");
      System.out.println("UserAgent:"+userAgent);
      userAgent=userAgent.toLowerCase(); //convert to lowercase and then check
      if(userAgent.indexOf("netscape6") != -1)
     System.out.println("Netscape");
      else if(userAgent.indexOf("msie") != -1)
          System.out.println("IE");
     else if(userAgent.indexOf("firefox") != -1)
     System.out.println("Firefox");
     else if(userAgent.indexOf("safari") != -1)
     System.out.println("Safari");
     else
          System.out.println("Else");

How to track browser closing event?

Hi Everyone,
I ran into a problem, which I thought at first would be a very easy thing to solve. Unfortunately, I spent few hours already reading through the forums posts and could not find the answer. Some say it is impossible to implement. I think there has got to be a solution to this problem.
I need to track user's login time into the JSP application and record both login and logoff timestamps. I had no problem with the login. Just instantiated my TimeTracker object on the index.jsp page and it writes a new row into the database every time user hits this page. However, things are different with the logoff. User can exit out in three dirrent ways. One is to click the "Exit" button, second is when session expires and the third is when "X" button of the browser is clicked and browser shuts down. I can control first two scenarious. I don't know what to do about the user closing the browser.
I tried capturing onCLose, onUnload or onBeforeUnload events but all of them are also invoked when window gets instantiated or when user clicks on a different page within the application. I also tried instantiating an applet within my JSP template and invalidate session inside its destroy() method but the problem here is that the applet gets destroyed every time a different page within the application is accessed.
I am ready to give up and just leave it as it is now, let the session expire on its own and take care of the logoff time.
Did anybody have similar problem and found the resolution?
Any help would be greatly appreciated.
Thanks,
YM

The common answer is that there is no good way to track the browser closing. A page can't tell the difference between the browser closing and simply navigating to a different page, so determining when the broswer is actually closed is a tough task. There have been some complex solutions in the past, but none seemed to be guaranteed to work, and as such, are pretty much useless for most applications.

How to stop Execution of Queries when the Browser closed in middle?

Hi,
I have JSP search page, which takes search parameters from previous page runs queries and display the results. I am using connection pool to connect to AS400 database.
The problem I am facing is... The query still runs on database server, when the user closes browser before getting the search results.
I am closing all my statements and returning connection to pool at the end of the JSP page.
Is there any way to terminate the execution of the queries, when the user closes browser?
Thanks in advance.

Allright.
As you know there is no direct way to catch that event, you will have to do this workaround :
1. Create a class which implements HttpSessionBindingListener. The valueUnbound method will have flag or code to stop running query.
2. Instantiate this in your search page, and add it into session.
3. Add javascript in search JSP to access another(dummy) JSP on unload event(to catch browser closing) something like:
function unload()
location.href = "/kill.jsp";
4. The code in dummy JSP will remove the object from session, and will fire valueUnbound method.
Let me know if this helps.
-Mak

Condition to test for the browser closing/refreshing

I have an applet that rotates pictures in a html file. I have it in an eternal loop to keep it running. It loads fine, but if you refresh or try to close the browser, the browser locks. Without question this happens because the loop does not test for the browser closing or refreshing so the loop never stops. Does anyone have an idea of a Java condition to test for the browser closing/refreshing so I can stop my loop when these events occur.

The applets stop message should be called on a reload and/or a close. You could set a flag in your stop method that could be checked by a thread that actually sits and loops.
When the flag is set, kill the tread.
You should clear that flag in your start method.
I have an applet that rotates pictures in a html file.
I have it in an eternal loop to keep it running. It
loads fine, but if you refresh or try to close the
browser, the browser locks. Without question this
happens because the loop does not test for the
browser closing or refreshing so the loop never
stops. Does anyone have an idea of a Java condition
to test for the browser closing/refreshing so I can
stop my loop when these events occur.

Lock not always released if browser closed in edit mode.

We have had a few instances in the last couple weeks (since deployment of an I.P. application) where a user has either closed the browser while in edit mode, or received some sort of error when saving plan data and the browser closed, where the Lock in RSPLSE/SM12 was not deleted. In the last case, the lock stayed for 6 hours before we were notified to manually delete the lock. The user had closed all windows, even restarted her machine.
Any insight on how to enforce removal of locks if browser is closed? We are on SAPKW70017 and BI Java Support Package Patch SP015

Hi Cote,
this is a frequently discussed topic. Usually the lock should be released, the session should be closed etc at the time closing a window.
One idea for this one: Does a small popup window appear when you close your browser? If the users have activated the popup blocker this will cause problems because the locks and sessions can not be released. Also it might cause problems using other browsers than IE...
Good luck.
Brgds,
Marcel

How to detect browser window move?

Hi,
I want to know if there is certain event defined in Java to detect browser window move. Like in JavaScript, there is an event handler "onMove".
Thanks.

No, I think you can have "onMove" call a java function.

How to Detect browser crash

hi i want to know how to detect browser crash or the way to go about it , i can use any language to any api's plz specify me some solution .It would be really healpfull

paul_123 wrote: hi i want to know how to detect browser crash ..
Like the other person that replied, I do not quite understand why it is of interest that the end user's browser crashes. If, like they suspect, it is to do with your applet, I think the best solution is to launch the applet using webstart and forget the browser. If the end user launches a webstart based applet from the browser and the browser crashes, the applet will keep working just fine.
Is your applet publicly available? If so, what is the URL where we can see it?

How to disable auto detect browser settings

When I want to start scan to Optimize Internet in "Easy Solve" feature of Comcast. It says DISABLE AUTO-DETECT BROWSER SETTINGS to enable scan running. Please send me the answer.

Is this page accessible to non-subscribers? If so, please provide a URL. If not, hopefully Comcast can answer this question.

Detect browser inactivity

How is it possible for an applet to detect if the browser window becomes passive (user changed to another window)? I've seen an applet to do this but I don't understand how it's implemented.

Jo,
          Pls refer SnoopServlet.java(weblogic_home/examples/servlets) which
          comes with weblogic installation.
          Kumar
          Jan-Olav Eide wrote:
          > How can I detect browser version & type from a servlet ?
          >
          > --
          > jo

Detect browser using velocity

Can any one tell me how the codes are written in velocity to detect browser.

AmitChalwade123456 wrote:
rrp wrote:
Can any one tell me how the codes are written in velocity to detect browser.what's this velocity ?? share u r knowledge with usVelocity is a templating engine. [ http://velocity.apache.org/ ].
I think I would put the browser discovery code (if I really had to use it) in controller. (Or JavaScript).

Detect Browser Version & Browser Name

Hello,
I have written some java code to detect browser version & name but its not working in ADF. Please help to detect browser details.
public void browserDetail(HttpServletRequest request,
HttpServletResponse response)throws IOException,ServletException{
response.setContentType("text/html");
Enumeration headerNames = request.getHeaderNames();
while(headerNames.hasMoreElements()) {
String headerName = (String)headerNames.nextElement();
System.out.println("BrowserName" + headerName);
System.out.println("Header" + request.getHeader(headerName));
Please Help
Thanks

Hi,
try this: http://blogs.oracle.com/jdevotnharvest/entry/how_to_detect_browser_type
Frank

Detect browser closing

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