On 7/27/07, Mohammed Zabin <[EMAIL PROTECTED]> wrote:
>
> Ok, in the first page, which use a tag, I generate 10 random numbers. and
> generate a SQL statement containing this numbers like the following:
> SELECT * FROM table WHERE id in ( 2, 3, 5, 10, .... etc). I use a string
> to hold the " in " statement and bound it to the whole query string.
>
> After submitting the page, I need to check the validety of the answers,
> for the same questions. So, I store the inStr in a session and read it in
> the second page.
>
> Regarding concurrency issue, I think that I don't need to synchronize
> random number generation. Because I don't have a problem for multiple
> requests to have the same set of questions. The most important issue is that
> for a given request, I need to submit the same collection of questions
> to Results page. And so, i used session to store the questions ids'.
>
>
> On 7/27/07, Pid <[EMAIL PROTECTED]> wrote:
> >
> > Caldarale, Charles R wrote:
> > >> From: Mohammed Zabin [mailto:[EMAIL PROTECTED] ]
> > >> Subject: Re: Bean and Servlet
> > >>
> > >> My Problem is that, I want to pass these numbers, Questions
> > >> IDs, from the first page, which i have made it as a tag class,
> > >> to Results page, which was made as servlet.
> > >
> > > Rather than hanging onto the ID within Tomcat, why not store it on the
> > > generated web page (as a hidden field) and have some script on that
> > page
> > > include it with the next request from the client? That way you avoid
> > > all synchronization issues that can occur with simultaneous requests.
> >
> > It sounds like a simple form submit with (a) hidden field(s).
> >
> > Why do all of the rest of the ids need to be submitted as well, if
> > you're only checking for the single correct answer?
> >
> > p
> >
> >
> > >> That was my problem my buddy, by the way, when i used
> > >> session, it worked fine. and you stated that this will
> > >> not work
> > >
> > > I didn't say it wouldn't work, I said you had to be careful and take
> > > concurrency into account, which your code snippets did not.
> > >
> > > - Chuck
> > >
> > >
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