public class MainClass {

    public static void main(String[] args) {

        Security.setProperty("ssl.SocketFactory.provider", "ru.CryptoPro.ssl.SSLSocketFactoryImpl");

        System.setProperty("javax.net.ssl.keyStoreType", "HDImageStore");
        System.setProperty("javax.net.ssl.trustStoreType", "HDImageStore");
        System.setProperty("javax.net.ssl.trustStore", "E:\\truststore.store");
        System.setProperty("javax.net.ssl.trustStorePassword", "password");
        System.setProperty("com.sun.security.enableCRLDP", "true");
        System.setProperty("com.ibm.security.enableCRLDP", "true");

        DefaultSTSIssuedTokenConfiguration stsConfig = new DefaultSTSIssuedTokenConfiguration(
                STSIssuedTokenConfiguration.PROTOCOL_13,
                "https://dss.testserver.test/STS/Active.svc/username/transport",
                "http://dss.testserver.test/STS/Active.svc/mex");


        stsConfig.getOtherOptions().put(BindingProvider.USERNAME_PROPERTY,"testuser");
        stsConfig.getOtherOptions().put(BindingProvider.PASSWORD_PROPERTY,"password");


        try {
            SignService srv = new SignService(new URL("http://dss.testserver.test/SignServer/SignService.svc?wsdl"));
            Iterator<QName> ports = srv.getPorts();
            ISignService client = null;
            while (ports.hasNext()) {
                QName portName = ports.next();
                ISignService p = srv.getPort(portName, ISignService.class, new WebServiceFeature[] {
                        new STSIssuedTokenFeature(stsConfig)
                });
                String en = (String)((BindingProvider)p).getRequestContext().get(BindingProvider.ENDPOINT_ADDRESS_PROPERTY);
                if(en.equals("https://dss.testserver.test/SignServer/SignServiceR.svc/issuedtoken/transport/nosc")) {
                    client = p;
                    break;
                }
            }

            if (client == null) {
                System.out.println("Cannot find endpoint in service WSDL");
            }

            ArrayOfDSSCertificate certs = client.getCertificates(); // здесь собственно падает в ошибку

        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (ISignServiceGetCertificatesDssFaultFaultFaultMessage iSignServiceGetCertificatesDssFaultFaultFaultMessage) {
            iSignServiceGetCertificatesDssFaultFaultFaultMessage.printStackTrace();
        }
    }

}