In the past the connector inherited xerces. I think it may need to be added to the connector classpath.

Caused by: org.jdom.JDOMException: Could not load default SAX parser: org.apache.xerces.parsers.SAXParser: SAX2 driver class org.apache.xerces.parsers.SAXParser not found: org.apache.xerces.parsers.SAXParser
at org.jdom.input.SAXBuilder.createParser(SAXBuilder.java:581)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:424)
at org.jdom.input.SAXBuilder.build(SAXBuilder.java:851)
at com.metamatrix.connector.xml.base.ExecutionInfo.getNamespaces