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From "Don Grodecki (JIRA)" <j...@apache.org>
Subject [jira] Created: (COCOON-1876) XMLDBTransformer blows up Saxon
Date Wed, 05 Jul 2006 20:43:29 GMT
XMLDBTransformer blows up Saxon
-------------------------------

         Key: COCOON-1876
         URL: http://issues.apache.org/jira/browse/COCOON-1876
     Project: Cocoon
        Type: Bug

  Components: Blocks: XML-DB  
    Versions: 2.1.9    
    Reporter: Don Grodecki


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 "".
                // 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);

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:

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.


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