*
 * @author mbechler
 *
 */
public class SMBProtocolDowngradeException extends CIFSException {

    /**
     * Serial version UID for serialization compatibility.
     */
    private static final long serialVersionUID = 1913365058349456689L;

    /**
     * Creates a new SMBProtocolDowngradeException with no message.
     */
    public SMBProtocolDowngradeException() {
    }

    /**

        if (message == null) {
            assertEquals(SMBProtocolDowngradeException.class.getName(), ex.toString());
        } else if (message.isEmpty()) {
            // Throwable.toString prints class + ": " (with space) even for empty string
            assertEquals(SMBProtocolDowngradeException.class.getName() + ": ", ex.toString());
        } else {
            assertEquals(SMBProtocolDowngradeException.class.getName() + ": " + message, ex.toString());

        Smb2IoctlResponse resp;
        try {
            resp = send(req, RequestParam.NO_RETRY);
        } catch (final SMBSignatureValidationException e) {
            throw new SMBProtocolDowngradeException("Signature error during negotiate validation", e);
        } catch (final SmbException e) {
            if (log.isDebugEnabled()) {