invalidateSavepoints();
    public synchronized void commit() throws SQLException {        if (isClosed())            throw new FBSQLException(                "You cannot commit a closed connection.",                FBSQLException.SQL_STATE_CONNECTION_CLOSED);//        if (getAutoCommit() && ((AbstractGDS)getInternalAPIHandler()).getType() != GDSType.ORACLE_MODE)//            throw new FBSQLException("commit called with AutoCommit true!");        txCoordinator.commit();    }