What version of Cocoon are you using?
I am using the lastest CVS and its works fine for me.
Just see the default value:
<xsp:logic>
String productId = <xsp-request:get-parameter name="productid" default=""/>;
^^^^^
</xsp:logic>
Antonio Gallardo
El Domingo, 13 de Octubre de 2002 21:57, Sonny Sukumar escribió:
> Hi,
>
> I included the xsp-request namespace in my XSP and then put in the code:
>
> <xsp:logic>
> String productId = <xsp-request:get-parameter name="productid"/>;
> </xsp:logic>
>
> This code is right above my root document element. I get this error when I
> try running it by going to
> http://localhost:8080/cocoon/test?productid=12345678:
>
> org.apache.cocoon.ProcessingException: Language Exception:
> org.apache.cocoon.components.language.LanguageException: Error while
> instantiating org/apache/cocoon/www/products_xsp:
> java.lang.NullPointerException
>
> The product with productid 12345678 exists in my backend database and the
> code works fine when I hardcode the value into my XSP, rather than trying
> to get it as a parameter.
>
> Any idea what I'm doing wrong?
>
> Thanks again,
>
> Sonny
>
> --- Antonio Gallardo Rivera <[EMAIL PROTECTED]> wrote:
> >El Domingo, 13 de Octubre de 2002 17:26, Sonny Sukumar escribi=F3:
> >> Hi guys,
> >>
> >> Is it possible to access request parameters from within an XSP or
> >> logicsheet?
> >
> >Yes, you can, for more info:=20
> >http://xml.apache.org/cocoon/userdocs/xsp/request.html
> >
> >> For example, when I go to
> >> http://localhost:8080/cocoon/test?param=3D12345=
> >
> >678
> >
> >> I'd like to use the value of param in my XSP or logicsheet as a basis
> >> for calling Java functions.
> >
> >You can do it using:
> ><xsp:logic>
> > String sParam =3D <xsp-request:get-parameter name=3D"param"
> > default=3D""/>; </xsp:logic>
> >
> >Rememeber to declare your namespace in you XSP:
> >xmlns:xsp-request=3D"http://apache.org/xsp/request/2.0";
> >
> >> In my pipeline, I currently just have the XSP as the generator and 1 XSL
> >> stylesheet to output to HTML. I think I could introduce another XSL
> >> stylesheet before this one which has use-request-paramters set to true
> >> and get the param that way, but it seems like it'd be slower to do 2
> >> transfor=
> >
> >ms
> >
> >> with 2 separate stylesheets rather than 1 transform with 1 stylesheet.
> >>
> >> Thanks!
> >>
> >> Sonny
> >
> >Antonio Gallardo
> >
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