Manfred,

> BTW, the whole state saving thing is currently beeing 
> refactored in JSF 
> 1.2, so that client and server side state saving will be more 
> compatible 
> and Serializable problems get addressed.

is this allready *inside* draft of 1.2?
or just disscussed, *after* getting feedback
to the draft?


> Manfred
> 
> 
> Korhonen, Kalle schrieb:
> >>-----Original Message-----
> >>From: Matthias Wessendorf [mailto:[EMAIL PROTECTED]
> >>Subject: RE: Exception during server-side state saving
> >>BTW. javax.faces.application.StateManager.SerializedView
> >>(inner class) is serializable IN myfaces!
> >>But I guess it shouldn't. See
> >>JavaDoc for JSF API @ SUN
> > 
> > 
> > Ah. I didn't even compare the old code with the latest. 
> Maybe that's 
> > the solution then, at least for the short term, to have 
> SerializedView 
> > and JspStateManagerImpl Serializable, maybe with attributes 
> > non-transient. In the long run, maybe we can do something 
> more elegant 
> > in the context listener, ie. to remove the objects from the session 
> > that shouldn't be serialized when the context is about to be 
> > destroyed. Thanks for looking into the issue Matthias, I seriously 
> > don't have time to deal with it right now. And so far, it's been 
> > mostly just an annoyance to us, not a showstopper.
> > 
> > Kalle
> > 
> > 
> >>But spec says nothing on that,
> >>I guess (a time ago I looked inside that issue...)
> >>
> >>Also thanks for mailing it to the list!
> >>
> >>BTW. I mailed to infrastructure guys @apache, after we leave
> >>incubator, they change it...
> >>
> >>Ted brings this up to PMC of incubator.
> >>
> >>
> >>>-----Original Message-----
> >>>From: Korhonen, Kalle [mailto:[EMAIL PROTECTED]
> >>>Sent: Thursday, January 13, 2005 10:13 PM
> >>>To: MyFaces Development
> >>>Subject: RE: Exception during server-side state saving
> >>>
> >>>
> >>>Hi,
> >>>
> >>>I wrote this (read below) in the comments of bug JIRA MYFACES-75
> >>>(exception during server-side state saving). Thought it might be 
> >>>useful to send it to the list as well, cause I surely don't know 
> >>>what's the proper way to fix this.. Anybody got any good ideas?
> >>>
> >>>Kalle
> >>>
> >>>---
> >>>I believe servlet spec 2.3 requires that a container is able to
> >>>serialize the session for persistence. In Tomcat, you can 
> >>
> >>configure a
> >>
> >>>session.PersistentManager to not try to store the session
> >>
> >>on disk by
> >>
> >>>setting its attribute "saveOnRestart" to false. The attribute by
> >>>default is true, which causes the whole problem.
> >>>
> >>>Just marking JspStateManagerImpl serializable isn't enough
> >>
> >>to fix the
> >>
> >>>problem. When I was working with sourceforge codebase, I
> >>>experimentally hacked and successfully fixed the problem 
> with these 
> >>>steps:
> >>>- marked ...application.jsp.JspStateManagerImpl Serializable
> >>>- marked its private member _renderKitFactory transient
> >>>- marked 
> >>
> >>javax.faces.application.StateManager.SerializedView (an inner
> >>
> >>>class) Serializable
> >>>- marked its private members _structure and _state transient
> >>>
> >>>However, I never made a patch for it, because I seriously
> >>
> >>doubt that
> >>
> >>>making these changes is the correct way of solving the
> >>
> >>problem. If you
> >>
> >>>make the private members transient, it prevents the
> >>
> >>serialization of
> >>
> >>>backing beans in session scope. It might also be that backing beans
> >>>shouldn't be included when the container is trying to 
> serialize the 
> >>>session, but not sure.
> >>>
> >>>I guess the view is stored in session for being able to restore it,
> >>>but when the container is shutting down, it should be 
> >>
> >>removed from the
> >>
> >>>session. I don't think it should be serializable at all. About the
> >>>StateManager, I'm not too sure if it should or not.
> >>>Surely we shouldn't throw an exception of StateManager not being 
> >>>Serializable, but I would almost leave some exception there 
> >>
> >>or, better
> >>
> >>>yet, a descriptive error message, and just force the users
> >>
> >>to either
> >>
> >>>configure their containers correctly or deal with it some 
> other way.
> >>>
> >>>
> >>>>-----Original Message-----
> >>>>From: Sean Schofield [mailto:[EMAIL PROTECTED]
> >>>>Sent: Saturday, January 08, 2005 3:07 PM
> >>>>To: MyFaces Development
> >>>>Subject: Re: Exception during server-side state saving
> >>>>
> >>>>Matthias,
> >>>>
> >>>>Then it seems like additional classes need to be made
> >>
> >>Serializable.
> >>
> >>>>My application was *very* simple so I didn't run into
> >>
> >>this problem.
> >>
> >>>>I still think you need my patch b/c if you take it out, it will
> >>>>complain that JspStateManagerImpl can't be serialized.
> >>>>
> >>>>I don't know enough about MyFaces yet to know why
> >>>>JspStateManagerImpl should be serialized.  I suspect 
> >>
> >>somewhere the
> >>
> >>>>code is trying to store it in the session.  The solution
> >>
> >>is to stop
> >>
> >>>>requiring that it be serialized or fix all of the
> >>
> >>potential things
> >>
> >>>>that could be stored in JspStateManagerImpl and make them
> >>>>serializable as well.
> >>>>
> >>>>I will try to look into it.
> >>>>
> >>>>Regards,
> >>>>sean
> >>>>
> >>>>
> >>>
> >>
> > 
> > 
> 

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