On Mon, Sep 29, 2008 at 9:42 AM, Luhtala Santeri <[EMAIL PROTECTED]> wrote: > Hmm. Nobody seems to know or want share his/her knowledge about > pageFlowScope… :-) Not everybody is reading mails over the weekend ;-) > > > > Is there any decent documentation about this? I know the the docs in Myfaces > site but they don't quite explain how and what happens with pageFlowScope > when navigating back and forth and if the dialog is not launched with some > action…
the execption is caused by EL engine, when trying to use update incompatible values. Can you a) provide a more detailed stack trace b) some code examples that work and that don't work clear is just a java.util.Map.clear() delegation. So code would be good, to understand the problem better > > > > S > > > > ________________________________ > > From: Luhtala Santeri > Sent: 26. syyskuuta 2008 9:21 > To: MyFaces Discussion > Subject: [Trinidad] Strange behaviour of the pageFlowScope > > > > We have couple of pretty similar dialogs in our app. Stuff is passed to > dialog via pageFlowScope. In some situations the objects are passed using > tr:setActionListener-tag with commandLink and then the actual launching is > done in Java and in some cases the dialog is launched from Java-code and the > values are set to pageFlowScope also there(So no commandLinks). > > > > I have a strange exception. If I have launched the dialog from Java-code and > have set the values to pageFlowScope also there, then when I have done the > stuff in dialog and exit the dialog's scope and clear the pageFlowScope it > seems to clear it ok. But, when I open the other similar kind of dialog(from > commandLink) then we crash with this: > > …. > > java.lang.IllegalArgumentException: Cannot convert com.xxx.ui.policy. > > [EMAIL PROTECTED] of type class com.xxx.ui.policy.model > > . UiModelA to class com.xxx.ui.policy.model.UiModelB > > at com.sun.el.lang.ELSupport.coerceToType(ELSupport.java:381) > > at com.sun.el.parser.AstValue.setValue(AstValue.java:164) > > at > com.sun.el.ValueExpressionImpl.setValue(ValueExpressionImpl.java:269) > > …. > > When the dialog is launched via commandLink and values are set to > pageFlowScope with tr:setActionListener then theres no problem….!!!??? So > what does this tr:setActionListener do actually?? > > > > We use the same 'key' (like "selected") when setting values to pageFlowScope > with both dialogs. But this shouldn't matter? Right? And after all the > pageFlowScope is just some sort of Map. What does this pageFlowScope.clear() > actually do? And how can this be dependent of the type? I don't get this… > > > > Santeri -- Matthias Wessendorf blog: http://matthiaswessendorf.wordpress.com/ sessions: http://www.slideshare.net/mwessendorf twitter: http://twitter.com/mwessendorf
