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

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<li><a href="https://www.facebook.com/Bristolengineer" target="_blank"><img src="images/final/fb3.png" width="200" height="45" alt="Follow Us on Facebook"></li>
<li><a href="https://twitter.com/Engineerscorset" target="_blank"><img src="images/final/twitter2.jpg" width="200" height="45" alt="Follow us on Twitter"></a></li>
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