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From David Scott <>
Subject Re: Notification when HTTP client aborted connection?
Date Sat, 26 Oct 2002 20:56:47 GMT
Steve Parkinson wrote:

>We have some servlets which may potentially create
>long-lived database searches, data mining, etc. If the
>user is willing to wait for the servlet to complete,
>everything is good, but if they press 'stop', visit
>another page, or otherwise close the connection to the
>webserver, we want to get notified. This way, we can
>abort the database connection, so the database isn't
>being used to run unnecessary searches.
>First, is there a facility in the API for a servlet to
>set up a listener, so the servlets gets notified when
>the servlet container has lost the connection? 
>Secondly, is anyone aware of any webserver
>implementation which triggers the notification?
>It seems that this would be an obvious kind of
>feature, but doesn't seme to be implemented. I also
>asked on the Sun Java Servlet forum, but no one seems
>to have any idea.
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