check();
execute("UNLOCK TABLES;", new DoNothingPreparer());
    public void testConnection(Admin admin) throws PublisherConnectionException {        try {            check();        } catch (PublisherException e) {            final PublisherConnectionException pce = new PublisherConnectionException("Connection in init failed: "+e.getMessage());            pce.initCause(e);            throw pce;        }    }