Message.debug("connection to "+getHost()+" closed");
	private synchronized void closeConnection() {		if (_connectionCleaner != null) {			_connectionCleaner.interrupt();		}		if (_errorsReader != null) {			_errorsReader.interrupt();		}		try {			_process.destroy();		} catch (Exception ex) {}		try {			_in.close();		} catch (Exception e) {}		try {			_err.close();		} catch (Exception e) {}		try {			_out.close();		} catch (Exception e) {}				_connectionCleaner = null;		_errorsReader = null;		_process = null;		_in = null;		_out = null;		_err = null;	}