Craig:
I am using struts and am pretty impressed with the way you good ppl have
comeup with such a generic and helpful framework. I will like to contribute
in the development efforts, can any one tell me how can I contribute in this
great work.
Regards
Chetan
----- Original Message -----
From: "Craig R. McClanahan" <[EMAIL PROTECTED]>
To: "Struts Developers List" <[EMAIL PROTECTED]>
Sent: Tuesday, March 25, 2003 10:49 AM
Subject: Re: forms tag ? serialaizable
>
>
> On Mon, 24 Mar 2003, Vic Cekvenich wrote:
>
> > Date: Mon, 24 Mar 2003 18:55:00 -0500
> > From: Vic Cekvenich <[EMAIL PROTECTED]>
> > Reply-To: Struts Developers List <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Subject: Re: forms tag ? serialaizable
> >
> > <SNIP>
> > >
> > > If your UserBean class declares "implements Serializable", this means
that
> > > UserBean also takes responsibility for saving and restoring the
instance
> > > variables of the base class as well. If it doesn't, then your
UserBean
> > > class is broken. The only thing the container should need to do is an
> > > "instanceof Serializable" test.
> > >
> >
> >
> > public class UserBean extends ValidatorForm
> > implements Serializable, Collection { // class }
> >
> > My concreate does. But the container I think sees is as
> > ValidatorForm.... which it tags as not Serializable and throws an
> > exception. I could test by making ActionForm implement Seriazable, see
> > if that "fixes" it.
> >
>
> What the container should do (and Tomcat in particular does) is an
> "instanceof Serializable" check, which will return true if the base class
> says "implements Serializable" (which is already true for ActionForm, and
> therefore DynaActionForm) or whether the concrete class itself does (as in
> your example above).
>
> If you still have a serialization problem with a UserBean declared as you
> indicate above, it's likely that one of the instance variables inside
> UserBean (or its superclass) cannot actually be serialized. For example,
> if you've got an instance variable of type java.sql.Connection, you'd
> definitely run into problems.
>
> >
> > tia,
> >
> > .V
>
> Craig
>
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