BootLog.debug("Configure mapper: class=" + className);
    private void configureMapper(List<DeviceToDriverMapper> mappers, ConfigurationElement element) {        final String className = element.getAttribute("class");        BootLog.debug("Configure mapper: class=" + className);        if (className != null) {            try {                final Class cls = Thread.currentThread()                        .getContextClassLoader().loadClass(className);                final DeviceToDriverMapper mapper = newMapperInstance(cls, element);                mappers.add(mapper);            } catch (ClassNotFoundException ex) {                BootLog.error("Cannot find mapper class " + className, ex);            } catch (IllegalAccessException ex) {                BootLog.error("Cannot access mapper class " + className, ex);            } catch (InstantiationException ex) {                BootLog.error("Cannot instantiate mapper class " + className, ex);            } catch (ClassCastException ex) {                BootLog                        .error("Mapper class "                                + className                                + " does not implement the DeviceToDriverMapper interface");            }        } else {            BootLog.error("class attribute required in mapper");        }    }