Hi,
>
> java.lang.IllegalArgumentException: Cannot convert com.xxx.ui.policy.
>
> [EMAIL PROTECTED] of type class com.xxx.ui.policy.mode
>
> l.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)
>
>
>
> at
> com.sun.facelets.el.TagValueExpression.setValue(TagValueExpression.ja
>
> va:93)
>
> at
> com.sun.facelets.el.LegacyValueBinding.setValue(LegacyValueBinding.ja
>
> va:68)
>
> at
> org.apache.myfaces.trinidad.event.SetActionListener.processAction(Set
>
> ActionListener.java:59)
here, in line 59, is where the "class cast exception" happens.
It tries to update an EL value (setValue()).
It would be worth to start a debugger to see
a) the EL string (#{bean.blah}
b) double check if something wasn't cleaned up
-Matthias
>
> at
> javax.faces.event.ActionEvent.processListener(ActionEvent.java:51)
>
> at
> org.apache.myfaces.trinidad.component.UIXComponentBase.broadcast(UIXC
>
> omponentBase.java:628)
>
> at
> org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand
>
> .java:143)
>
> at javax.faces.component.UIData.broadcast(UIData.java:517)
>
> at javax.faces.component.UIData.broadcast(UIData.java:517)
>
> at
> javax.faces.component.UIViewRoot._broadcastForPhase(UIViewRoot.java:9
>
> 7)
>
> at
> javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1
>
> 71)
>
> at
> org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(Invoke
>
> ApplicationExecutor.java:32)
>
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl
>
> .java:95)
>
> at
> org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java
>
> :70)
>
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:139)
>
> at
> com.profitsoftware.ui.CustomFacesServlet.service(CustomFacesServlet.j
>
> ava:44)
>
> at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487
>
> )
>
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(Servlet
>
> Handler.java:1093)
>
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._invoke
>
> DoFilter(TrinidadFilterImpl.java:250)
>
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilt
>
> erImpl(TrinidadFilterImpl.java:207)
>
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilte
>
> r(TrinidadFilterImpl.java:161)
>
> at
> org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFi
>
> lter.java:92)
>
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(Servlet
>
> Handler.java:1084)
>
> at
> org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(Extensions
>
> Filter.java:301)
>
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(Servlet
>
> Handler.java:1084)
>
> at
> com.profitsoftware.jaasutils.jetty.WLFilter$SecuredRequest.run(WLFilt
>
> er.java:72)
>
> at java.security.AccessController.doPrivileged(Native Method)
>
> at javax.security.auth.Subject.doAs(Subject.java:337)
>
> at
> com.ibm.websphere.security.auth.WSSubject.doAs(WSSubject.java:118)
>
> at
> com.profitsoftware.jaasutils.jetty.WLFilter$WASSecuredRequest.run(WLF
>
> ilter.java:49)
>
> at weblogic.security.subject.SubjectProxy.doAs(SubjectProxy.java:64)
>
> at
> weblogic.security.subject.SubjectManager.runAs(SubjectManager.java:26
>
> 2)
>
> at weblogic.security.Security.runAs(Security.java:48)
>
> at
> com.profitsoftware.jaasutils.jetty.WLFilter.doFilter(WLFilter.java:14
>
> 0)
>
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(Servlet
>
> Handler.java:1084)
>
> at
> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:3
>
> 60)
>
> at
> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.jav
>
> a:216)
>
> at
> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:1
>
> 81)
>
> at
> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:7
>
> 26)
>
> at
> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>
>
>
> at
> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHand
>
> lerCollection.java:206)
>
> at
> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.
>
> java:114)
>
> at
> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:1
>
> 52)
>
> at org.mortbay.jetty.Server.handle(Server.java:324)
>
> at
> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:50
>
> 5)
>
> at
> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnectio
>
> n.java:842)
>
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:648)
>
> at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
>
> at
> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.ja
>
> va:395)
>
> at
> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool
>
> .java:450)
>
> ]
>
> …
>
>
>
> Hope this helps.
>
>
>
> Santeri
>
>
>
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
> Matthias Wessendorf
> Sent: 29. syyskuuta 2008 19:28
> To: MyFaces Discussion
> Subject: Re: [Trinidad] Strange behaviour of the pageFlowScope
>
>
>
> 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
--
Matthias Wessendorf
blog: http://matthiaswessendorf.wordpress.com/
sessions: http://www.slideshare.net/mwessendorf
twitter: http://twitter.com/mwessendorf