> Jason Wyatt wrote:
> >
> > Hi,
> >
> > I am using JBuilder 3.5 Enterprise & am having a problem with
> > JSP's introspection, ie using setProperty<... property="*" ...> to
> > set fields of the same name in a bean.
> >
> > I have two jsp pages, one to display a page (the 'view' page) and
> > another to read the form which is generated from the view page
> > submit (the 'reader' page). Both pages use the same bean - the
> > view page uses it to read and display info from the ejbs, and the
> > reader page uses it to do the introspection, and submision of info
> > to the ejbs.
> >
> > My problem is this:
> > The introspection works fine if the bean is instantiated with
> > "request" scope in both pages, but this means that the bean is
> > instantiated twice - once for the view page, and again for the reader
> > page. I would prefer if the bean is instantiated with "session" scope
> > in the view page, so that one instance is shared by the view and
> > the reader. When I change the scope to "session" in both pages,
> > the bean instance is available correctly to the reader, but the
> > instrospection stops working. Does introspection rely on requests,
> > or is there a way to use session scope?
>
> A possible reason for what you see is using the <jsp:setProperty>
> action within the body of the <jsp:useBean> action:
>
> <jsp:useBean id="foo" scope="session" ... >
> <jsp:setProperty name="foo" property="*" />
> </jsp:useBean>
>
> If that's the case, the <jsp:setProperty> action is only called when
> the bean is created, i.e. the first time you access this page within the
> session. Change it to this instead:
>
> <jsp:useBean id="foo" scope="session" ... />
> <jsp:setProperty name="foo" property="*" />
>
> With this syntax, <jsp:setProperty> is always called when you access the
> page, changing the state of the bean if it already exists.
>
> Hans
> --
> Hans Bergsten [EMAIL PROTECTED]
> Gefion Software http://www.gefionsoftware.com
>
Yes - this was indeed why it wasn't working.
Thank you Hans!
Jason.
Jason Wyatt
Communications Division
Illawarra Technology Corporation
Wollongong NSW AUSTRALIA
tel: +61 2 42 268 837 fax: +61 2 42 268 904
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