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From "Don Grodecki" <...@browsersoft.com>
Subject Re: XMLDBTransformer blows up Saxon
Date Thu, 29 Jun 2006 16:47:31 GMT
1-What said the xml specification about null?
The API being called is the SAX org.xml.sax.ContentHandler.createElement().
>From the Interface definition at 
http://www.saxproject.org/apidoc/index.html:
"Parameters:
uri - the Namespace URI, or the empty string if the element has no Namespace 
URI or if Namespace processing is not being performed
..."

Note that a null value is not specified as one of the options:

2-Which saxon version blows up with null?
Both the versions that I have, which are saxon8 (jar contents dated 
4/7/2005) and saxonB-8.7.3 (the latest), blow out with a 
NullPointerException.

I have used Saxon quite a bit, for XSLT 2.0, and the only calls to Saxon 
with null URIs have been from the XMLDBTransformer.

- Don

----- Original Message ----- 
From: "Antonio Gallardo" <agallardo@agssa.net>
To: <dev@cocoon.apache.org>
Sent: Wednesday, June 28, 2006 7:08 PM
Subject: Re: XMLDBTransformer blows up Saxon


Don Grodecki escribió:
> The XMLDBTransformer blows up Saxon, which does not like null URIs. The
> following fix seems to work, replacing null in the first parameter to
> addAttribute with "". - Don
>
>                 // Report result
>                 AttributesImpl attrs = new AttributesImpl();
>                 attrs.addAttribute("", XMLDB_QUERY_OID_ATTRIBUTE,
>                         XMLDB_QUERY_OID_ATTRIBUTE, "CDATA", this.key);
>                 attrs.addAttribute("", XMLDB_QUERY_TYPE_ATTRIBUTE,
>                         XMLDB_QUERY_TYPE_ATTRIBUTE, "CDATA",
> this.operation);
>                 attrs.addAttribute("", XMLDB_QUERY_RESULT_ATTRIBUTE,
>                         XMLDB_QUERY_RESULT_ATTRIBUTE, "CDATA", result);
>
>
Hi Don,

Thanks for the patch, would you responds this questions:

1-What said the xml specificationa about null?
2-Wich saxon version blows up with null?

Best Regards,

Antonio Gallardo.




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