Program: 68666
Project: 68666
Buggy source:
private void marshalSimpleValue(XPathFragment xmlRootFragment,MarshalRecord marshalRecord,Object originalValue,Object object,Object value,AbstractSession session,NamespaceResolver namespaceResolver){
  if (xmlRootFragment != null) {
    QName qname=((XMLRoot)originalValue).getSchemaType();
    XMLConversionManager xmlConversionManager=(XMLConversionManager)session.getDatasourcePlatform().getConversionManager();
    value=xmlConversionManager.convertObject(value,ClassConstants.STRING,qname);
    Namespace generatedNamespace=setupFragment((XMLRoot)originalValue,xmlRootFragment,marshalRecord);
    getXPathNode().startElement(marshalRecord,xmlRootFragment,object,session,namespaceResolver,null,null);
    if (generatedNamespace != null) {
      marshalRecord.attribute(XMLConstants.XMLNS_URL,XMLConstants.XMLNS_URL,XMLConstants.XMLNS + "String_Node_Str" + generatedNamespace.getPrefix(),generatedNamespace.getNamespaceURI());
    }
    if (qname != null) {
      String prefix=marshalRecord.getNamespaceResolver().resolveNamespaceURI(qname.getNamespaceURI());
      if ((prefix == null) || prefix.equals("String_Node_Str")) {
        prefix=marshalRecord.getNamespaceResolver().generatePrefix();
        marshalRecord.attribute(XMLConstants.XMLNS_URL,XMLConstants.XMLNS_URL,XMLConstants.XMLNS + "String_Node_Str" + prefix,qname.getNamespaceURI());
      }
      String typeValue=prefix + "String_Node_Str" + qname.getLocalPart();
      addTypeAttribute(marshalRecord,typeValue);
    }
  }
  marshalRecord.characters((String)value);
  if (xmlRootFragment != null) {
    marshalRecord.endElement(xmlRootFragment,namespaceResolver);
  }
}

Fixed version (ground truth):
private void marshalSimpleValue(XPathFragment xmlRootFragment,MarshalRecord marshalRecord,Object originalValue,Object object,Object value,AbstractSession session,NamespaceResolver namespaceResolver){
  if (xmlRootFragment != null) {
    QName qname=((XMLRoot)originalValue).getSchemaType();
    value=((XMLConversionManager)session.getDatasourcePlatform().getConversionManager()).convertObject(value,ClassConstants.STRING,qname);
    Namespace generatedNamespace=setupFragment((XMLRoot)originalValue,xmlRootFragment,marshalRecord);
    getXPathNode().startElement(marshalRecord,xmlRootFragment,object,session,namespaceResolver,null,null);
    if (generatedNamespace != null) {
      marshalRecord.attribute(XMLConstants.XMLNS_URL,XMLConstants.XMLNS_URL,XMLConstants.XMLNS + "String_Node_Str" + generatedNamespace.getPrefix(),generatedNamespace.getNamespaceURI());
    }
    if (qname != null) {
      String prefix=marshalRecord.getNamespaceResolver().resolveNamespaceURI(qname.getNamespaceURI());
      if ((prefix == null) || prefix.equals("String_Node_Str")) {
        prefix=marshalRecord.getNamespaceResolver().generatePrefix();
        marshalRecord.attribute(XMLConstants.XMLNS_URL,XMLConstants.XMLNS_URL,XMLConstants.XMLNS + "String_Node_Str" + prefix,qname.getNamespaceURI());
      }
      String typeValue=prefix + "String_Node_Str" + qname.getLocalPart();
      addTypeAttribute(marshalRecord,typeValue);
    }
  }
  marshalRecord.characters((String)value);
  if (xmlRootFragment != null) {
    marshalRecord.endElement(xmlRootFragment,namespaceResolver);
  }
}