case MASTER: {
    DBClientConnection * c = new DBClientConnection(true);
    c->setSoTimeout( socketTimeout );
    log(1) << "creating new connection to:" << _servers[0] << endl;
    if ( ! c->connect( _servers[0] , errmsg ) ) { // <------ This can throw an assertion and c will never be cleaned!!!
        delete c;
        return 0;
    }
    log(1) << "connected connection!" << endl;
    return c;
}