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From "Adam Winer" <awi...@gmail.com>
Subject Re: Problem with <tr:inputFile> in Seam 1.2.1GA and Trinidad 1.0.1
Date Fri, 13 Jul 2007 23:48:11 GMT
Any time you have a ClassCastException with two classes
that should be just fine, check your classpath - thoroughly.
Look for a duplicate copy of trinidad.

-- Adam


On 7/13/07, fabio quimbay <fabio.quimbay@gmail.com> wrote:
> Hi, Adam ...
>
> Thanks for your answer. About the 2 possibilities, I see the source of this
> projects (MyFaces / Trinidad) and my project, and I see this ... In the
> source class "UploadedFiles" I see this:
>
>         static public class FixFilename implements UploadedFile,
> Serializable
>         { ... }
>
> and its implements is : import
> org.apache.myfaces.trinidad.model.UploadedFile . And in my
> source code, in my class "GestionPlantilla" I see this:
>
>     public void fileUploaded(ValueChangeEvent event)
>     {
>         UploadedFile archivo = (UploadedFile) event.getNewValue();
>         if (archivo != null) {
>             archivoPlantilla = archivo;
>         }
>     }
>
> ant its implements is import
> org.apache.myfaces.trinidad.model.UploadedFile. Are the
> same Interfaces. And I be carefull, and I use the same version of Trinidad,
> 1.0.1 and MyFaces 1.1.5. I only put this:
>
>     <context-param>
>         <!-- Maximum memory per request (in bytes) -->
>
> <param-name>org.apache.myfaces.trinidad.UPLOAD_MAX_MEMORY</param-name>
>         <!-- Use 2000K -->
>         <param-value>2048000</param-value>
>     </context-param>
>     <context-param>
>         <!-- Maximum disk space per request (in bytes) -->
>         <param-name>
>
> org.apache.myfaces.trinidad.UPLOAD_MAX_DISK_SPACE
>         </param-name>
>         <!-- Use 20,000K -->
>         <param-value>20480000</param-value>
>     </context-param>
>
> but, same ... doesn't work. Thanks for your help.
>
> On 7/13/07, Adam Winer < awiner@gmail.com> wrote:
> > The relevant exception is:
> >
> > > Caused by: java.lang.ClassCastException :
> > >
> org.apache.myfaces.trinidadinternal.config.upload.UploadedF
> > > iles$FixFilename
> > >  at
> > >
> com.colconnect.reel.session.GestionPlantilla.fileUploaded
> > > (GestionPlantilla.java:58)
> >
> > I'm gonna guess that line 58 is:
> >
> > >  UploadedFile archivo = (UploadedFile) event.getNewValue();
> >
> > I can guarantee that FixFilename does in fact implement
> > org.apache.myfaces.trinidad.model.UploadedFile.
> >
> > So there's two possibilities:
> > - You're importing a different UploadedFile interface (I'm guessing
> >   that's the issue)
> > - You've got a classpath issue with two versions of Trinidad
> >   (less likely).
> >
> > FWIW, I've always been apalled that ClassCastExceptions don't
> > tell you both what it was trying to cast and what it was trying
> > to cast *to*.  Would make life easier.
> >
> > -- Adam
> >
> >
> > On 7/13/07, fabio quimbay <fabio.quimbay@gmail.com > wrote:
> > > Greetings ...
> > >
> > > I have a project with Seam 1.2.1GA and Trinidad 1.0.1 on JBoss 4.2.0GA,
> > > works good. Many components like <tr:panelPage> work good, bad when I
> use
> > > <tr:inputFile> doesn't work, because I see this error:
> > >
> > > 09:30:22,875 ERROR [ExceptionFilter] uncaught exception
> > > javax.servlet.ServletException:
> > > /plantillas/subirPlantilla.xhtml @22,121
> > > valueChangeListener="#{gestionPlantilla.fileUploaded }":
> > > javax.ejb.EJBTransactionRolledbackException
> > > : org.apache.myfaces.trinidadinternal.config.upload.Upl
> > > oadedFiles$FixFilename
> > >  at
> > >
> javax.faces.webapp.FacesServlet.service(FacesServlet.java
> :154)
> > > ...
> > > ...
> > > Caused by: javax.faces.el.EvaluationException:
> > > /plantillas/subirPlantilla.xhtml @22,121 valueChangeL
> > >
> > > istener="#{gestionPlantilla.fileUploaded}":
> > > javax.ejb.EJBTransactionRolledbackException:
> > > org.apache.myfaces.trinidadinternal.config.upload.Upl
> > > oadedFiles$FixFilename
> > >  at com.sun.facelets.el.LegacyMethodBinding.invoke
> > > (LegacyMethodBinding.java :73)
> > > ...
> > > ...
> > > Caused by: javax.ejb.EJBTransactionRolledbackException:
> > > org.apache.myfaces.trinidadinternal.config.u
> > > pload.UploadedFiles$FixFilename
> > >  at org.jboss.ejb3.tx.Ejb3TxPolicy.handleInCallerTx
> > > (Ejb3TxPolicy.java:87)
> > > ...
> > > ...
> > > Caused by: java.lang.ClassCastException:
> > >
> org.apache.myfaces.trinidadinternal.config.upload.UploadedF
> > > iles$FixFilename
> > >  at
> > >
> com.colconnect.reel.session.GestionPlantilla.fileUploaded
> > > (GestionPlantilla.java:58)
> > > ...
> > > ...
> > >
> > > it was when I return the event.getNewValue() :
> > >  public void fileUploaded(ValueChangeEvent event)
> > >  {
> > >  UploadedFile archivo = (UploadedFile) event.getNewValue();
> > >  if (archivo != null) {
> > >  archivoPlantilla = archivo;
> > >  }
> > >  }
> > >
> > >
> > > and my view is like this:
> > > ...
> > > ...
> > > <tr:inputFile label="#{messages[' plantilla.contenido']}"
> > > valueChangeListener="#{gestionPlantilla.fileUploaded}" />
> > > ...
> > > ...
> > >
> > > Any idea. Thanks, for your help.
> > >
> > >
> > > --
> > > fabio quimbay
> > > www.fabio.quimbay.name
> > > fabio@quimbay.name
> >
>
>
>
> --
> fabio quimbay
>  www.fabio.quimbay.name
> fabio@quimbay.name

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