Hi,

Have a look at the generated java code in the work directory of your servlet
engine.
I am sure it will give you a clue about how XSP works in Cocoon. ;-)

Michael

> -----Original Message-----
> From: Istvan Beszteri [mailto:[EMAIL PROTECTED]]
> Sent: maandag 4 maart 2002 16:35
> To: [EMAIL PROTECTED]
> Subject: xsp-request problem
> 
> 
> Hi All,
> 
> I just started to learn XSP and I tried some examples.
> I have found a strange problem with xsp-request.
> 
> The following xsp works properly:
> 
> <?xml version="1.0"?>
> <?cocoon-process type="xsp"?>
> <xsp:page
>     xmlns:xsp="http://apache.org/xsp";
>     xmlns:xsp-request="http://apache.org/xsp/request/2.0";
> >
>     <xsp:logic>
>         String fruit = "apple";
>     </xsp:logic>
> 
>     <html>
>        <b>The string is: </b><xsp:expr>fruit</xsp:expr>
>        <br/>
>        <b>The request parameter is: </b> 
> <xsp-request:get-parameter    
> name="fruit"/>
>     </html>
> </xsp:page>
> 
> with a certain request, but if I try to give value to the 
> fruit string as in 
> the following example, I get a null pointer exception:
> 
> <?xml version="1.0"?>
> <?cocoon-process type="xsp"?>
> <xsp:page
>     xmlns:xsp="http://apache.org/xsp";
>     xmlns:xsp-request="http://apache.org/xsp/request/2.0";
> >
>     <xsp:logic>
>         String fruit = <xsp-request:get-parameter name="fruit"/>;
>     </xsp:logic>
> 
>     <html>
>        <b>The string is: </b><xsp:expr>fruit</xsp:expr>
>        <br/>
>        <b>The request parameter is: </b> <xsp-request:get-parameter 
> name="fruit"/>
>     </html>
> </xsp:page>
> 
> It seems <xsp-request:get-parameter name="fruit"/> gives back 
> a null pointer 
> if I use it within the <xsp:logic> tags.
> 
> Any idea?
> 
> Thanks in advance!
> 
> Istvan
> 
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