You should be aware that you now disabled the serialization, which may
cause problems on your production environment if you don't pay
attention to it.
Not a big problem, but something you should be aware of.
Martijn
On 2/19/08, Carlos Pita <[EMAIL PROTECTED]> wrote:
> Just in case someone else is having the same problem, I solved it for
> the time being overriding
>
> @Override
> protected ISessionStore newSessionStore() {
> return new HttpSessionStore(this);
> }
>
> in my app. The default configuration of my jetty embedded launcher
> seems to keep the session in memory, so it works out of the box. But
> other servers could offer other default session store strategies.
>
> Regards
> -Carlos
>
> On Feb 19, 2008 6:02 PM, Carlos Pita <[EMAIL PROTECTED]> wrote:
> > Hi all,
> >
> > I've finally taken the time to trace some insidious reloading filter
> > bugs that tend to show up as:
> >
> > org.apache.wicket.WicketRuntimeException: Parameter clazz must be an
> > instance of com.livra.cereza.web.user.login.LoginPage, but is a
> > com.livra.cereza.web.layout.CerezaPage
> > at org.apache.wicket.markup.MarkupCache.getMarkup(MarkupCache.java:269)
> >
> > The frequency of these bugs have lately reached a level that rendered
> > the reloading filter almost useless.
> >
> > The problem is simple: pages are loaded by the reloading classloader,
> > then serialized into diskpagestore, then deserialized
> > (diskpagestore.sessionentry.loadpage) in the context of a page loaded
> > by another classloader. So they change their classloaders from one
> > request to the next.
> >
> > markupcache tries to compare page classes from different classloaders,
> > one coming directly or indirectly from the store, the other not, and
> > the history ends in an exception trace that starts like the one above.
> >
> > Workarounds that come into my mind: *) deserialize pages in the
> > context of the wicketfilter classloader, *) use in-memory store for
> > working with the reloading classloader.
> >
> > What do you think? Jean Baptiste?
> >
> > Thank you in advance
> > Regards
> > -Carlos
> >
>
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