public static final String ERRORS_LOGIN_FAILURE = "{errors.login.failure}";

    /** The key of the message: Please retry because of illegal transition. */
    public static final String ERRORS_APP_ILLEGAL_TRANSITION = "{errors.app.illegal.transition}";

    /** The key of the message: others might be updated, so retry. */
    public static final String ERRORS_APP_DB_ALREADY_DELETED = "{errors.app.db.already.deleted}";

 *         .transformAsync((closer, transaction) -> transaction.queryClosingFuture("..."), executor)
 *         .transform((closer, result) -> result.get("userName"), directExecutor())
 *         .catching(DBException.class, e -> "no user", directExecutor())
 *         .finishToFuture();
 * }</pre>
 *
 * In this example, when the {@code userName} {@link Future} is done, the transaction and the query

        if (dr != null) {
            String service = null;

            if (request != null) {
                switch( request.command ) {
                    case ServerMessageBlock.SMB_COM_TRANSACTION:
                    case ServerMessageBlock.SMB_COM_TRANSACTION2:
                        switch( ((SmbComTransaction)request).subCommand & 0xFF ) {
                            case SmbComTransaction.TRANS2_GET_DFS_REFERRAL: