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From "Shapira, Yoav" <Yoav.Shap...@mpi.com>
Subject RE: how to block
Date Thu, 06 Feb 2003 18:16:17 GMT
Hi,
Google is your friend:
http://forums.devshed.com/archive/1/2000/08/2/1298

Yoav Shapira
Millennium ChemInformatics


>-----Original Message-----
>From: Bing Zhang [mailto:BZhang@7thonline.com]
>Sent: Thursday, February 06, 2003 1:10 PM
>To: 'Tomcat Users List'
>Cc: Dan Yin; Jimmy Wu; Daniel Ruiz
>Subject: how to block
>
>Hi all:
>
>	I have one problem right now, which many people here on the list
>should have already experienced.
>
>	For example, some post from browser take some time on the server
>side(servlet code) to process.  Often times impatient user will click
>multiple times on the "submit" button, Or "malicious" user will hold
>"Enter"
>key to request it million times.  What's going to happen on the server
side
>is:  multiple threads onto the same servlet would be launched and
resources
>would be used up, like connections, and CPU processing time.
>
>      So what's a general approach to prevent this ??  No matter the
>solution is on the client side (HTML/JavaScript), the server
>side(servlet/JSP), or combined.  Can you guys pass some experience,
ideas,
>thoughts on this ??
>
>	Thank you so much.
>
>	Bing
>
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