(Is this the correct list for help on this plugin?  Its web page does not have a
list listed, it is not listed on sf's "Maven Plugins", but it is hosted on sf,
so I am not sure.)

I am using Maven beta 1.1 and trying to get the Validator "3rd party" plugin
working (maven-xhtml-plugin).

The following problem occurs:

Could not start validation: null not found
at org.apache.maven.xhtml.Validator.initValidator (Validator.java:176)

Has anyone seen this before?

The offending lines are:
        // turn validation on
        try
        {
            this.xmlReader = XMLReaderFactory.createXMLReader();
            this.xmlReader.setFeature(VALIDATION_FEATURE, true);
        }
        catch (SAXNotRecognizedException e)
        {
            throw new BuildException("Could not start validation: " +
this.xmlReader + " doesn't provide validation");
        }
        catch (SAXNotSupportedException e)
        {
            throw new BuildException("Could not start validation: " +
this.xmlReader + " doesn't provide validation");
        }
        catch (SAXException e)
        {
            throw new BuildException("Could not start validation: " +
this.xmlReader + " not found");
        }


So a SAXException was thrown, probably by "XMLReaderFactory.createXMLReader()".

>From the Javadoc: "This method uses the value of the system property
"org.xml.sax.driver" as the full name of a Java class and tries to instantiate
that class as a SAX2 XMLReader."

I wonder if I have to set "org.xml.sax.driver" system property?

Or is there an extra config step I need to do that I did not see on the plugin
web site instructions?

Regretfully the real exception message is swallowed.  And before I have to get
source and modify and build to see it, I am hoping someone has a quick & easy
answer to the problem!  :-)


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