> Antony Grinyer wrote:
> > Hi,
> >
> > A have a simple sitemap entry as below:
> >
> > <map:match pattern="listcontainers">
> > <map:generate type="file" src="content/showsyscontainer.xml"/>
> > <map:transform type="bdbxml"/>
> > <map:transform type="xslt" src="style/xsl/containerslist.xsl"/>
> > <map:serialize type="html"/>
> > </map:match>
> >
> > The generator is a simple XML file which is passed to a java class
> > transformer ( referenced as type="bdbxml") which returns
> XML results.
> > This all works fine if I use <map:serialize type="xml"/> to simply
> > output the XML, however if I try to transform the XML
> output with the
> > XSLT transformer above I get an error:
> >
> >
> >>>Error executing pipeline.
> >
> >
> >>>org.apache.cocoon.ProcessingException: Error executing pipeline.:
> >>>java.lang.RuntimeException
> >
> >
> > I know the XSLT containerslist.xsl is correct as I've tried
> it against
> > some sample output XML in XMLSpy, but it appears that when
> I add this
> > XSLT transformer I get a Processing Exception?
> >
> > In the sitemap.log it is reported as:
> >
> > Unable to get parser: java.lang.RuntimeException:
> > java.lang.NullPointerException
Upayavira wrote:
> Your transformer is passing something down the pipeline as
> null. This isn't tripping up the XML serializer, but is
> tripping up the xslt transformer. Go through each of the
> startElement, etc, calls within your transformer looking at
> the output. See if you can see any nulls in there.
e.g. there is a null passed as the value of a namespace URI to
AttributesImpl.addAttribute
If the namespace URI is null it should be represented by the empty
string ("") not java null.
Cheers
Con
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