Wie kann ich xerces sagen, dass Fehler auf stdout ausgegeben werden sollen?

#include <iostream>

#include <xercesc/sax2/XMLReaderFactory.hpp>
#include <xercesc/sax2/SAX2XMLReader.hpp>
#include <xercesc/sax2/DefaultHandler.hpp>
#include <xercesc/validators/common/Grammar.hpp>
#include <xercesc/util/XMLUni.hpp>

XERCES_CPP_NAMESPACE_USE

int main(int argc, char **argv)
{
    try
    {
        XMLPlatformUtils::Initialize();
    }
    catch( XMLException& e )
    {
        char* message = XMLString::transcode( e.getMessage() );
        std::cerr << "XML toolkit initialization error: " << message << std::endl;
        XMLString::release( &message );
    }

    SAX2XMLReader* parser = xercesc::XMLReaderFactory::createXMLReader();
    parser->setFeature(XMLUni::fgSAX2CoreNameSpaces, true);
    parser->setFeature(XMLUni::fgSAX2CoreValidation, true);
    parser->setFeature(XMLUni::fgXercesDynamic, false);
    parser->setFeature(XMLUni::fgXercesSchema, true);
    parser->setFeature(XMLUni::fgXercesSchemaFullChecking, true);

    parser->loadGrammar(argv[2], Grammar::SchemaGrammarType, true);
    parser->setFeature(XMLUni::fgXercesUseCachedGrammarInParse, true);

    DefaultHandler handler;
    parser->setContentHandler(&handler);
    parser->setErrorHandler(&handler);
    parser->setEntityResolver(&handler);
    parser->parse(argv[1]);

    delete parser;

    return 0;
}