---
'NzistiCaResisti
----- Original Message -----
From: "Kevin Mukhar" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, September 06, 2000 3:33 PM
Subject: Re: How to stop a servlet once started ?
> Aaah... time once again for the
> how-does-the-server-know-when-the-user-clicks-stop thread...
>
> Vijaya Bhaskar Varanasi wrote:
> >
> > My question is what should be done when the SUBMIT button in the html
form
> > is hit and immediately STOP button of the browser is clicked ? Right
now,
> > the servlet runner is throwing a java.net.SocketException : Socket Write
> > error (code = 10053) after some time of hitting the STOP button. But,
still
> > I am able to see the values inserted into the Access DB !
> >
> > I have tried con.setAutoCommit(false) and con.commit() and
con.rollback()
> > at (supposedly) appropriate places (here con is the Connection object)
No
> > use. Can anybody please give me a tip to solve the problem ?
>
> There is no good, easy solution. As you have discovered, when the user
> clicks stop (or clicks a bookmark or link) the browser DOES NOT send
> that information to the server. Once the browser has sent the end of
> request "marker," the HTTP request is complete, and there's no way to
> send more information to the server (as part of the same request).
> Usually the way the server finds out is when it tries to send the
> response back and gets an IOException (SocketException IS_A
> IOException).
>
> I have very little experience with Access so this is just a guess:
> Access does not support transactions; that is why trying rollback might
> not work. If Access does support transactions, then setting auto commit
> to false and using commit or rollback should work. By the way, where are
> those "appropriate places?" It seems to me the appropriate place would
> be the catch or finally block after you've caught the IOException. If
> Access does not support transactions, you might try calling
> executeUpdate after you've sent the response; that way, if you get an
> IOException, you can avoid the update. Of course, if your response
> includes feedback from inserting the data, this won't work.
>
> You might try searching the archives for more information because the
> stop button issue has been discussed many times before.
>
> K Mukhar
>
>
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