Hi Vijay,

If you make real application do not copy j2ee tutorial. For a tutorial one
DB connection is enough.

Fei Li


----- Original Message -----
From: "vijay" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, September 24, 2002 5:46 PM
Subject: j2ee and database connection


> > Hi,
>
> i've a few doubts about ServletContext & HttpSessionContext. In the j2ee
> tutorial, i've noticed a example where a class(BookDB) is deployed as
event
> listener which implements ServletContext. and other servlet in the
> application are using the same class BookDB. BookDB creates a (one)
database
> connection and has a few methods.
>
> My question is, if that application has only one connection, then what if
> 1000 users access the application at a time?
> I'm assuming ServletContext means it's the scope when ever a particular
> servlet is deployed r started.
>
> If 1000 users invoke a servlet at the same time then the event listener
> creates 1000 instances of BookDB class or only one which is shared by 1000
> users? if it is only one, then can we specify the number of connections to
> open in the event listener class?
> How connection pooling works in J2EE?
>
> is it a right way to create a db connection  in HttpSessionContext scope?
>
>
> Please advice..or let me know where can i find the neccessary info..
>
> Thanks in advance..
>
> Vijay
>
>
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