if (overrideClassName != null && !"".equals(overrideClassName)) { LOOKUP = (Lookup) Class.forName(overrideClassName, true, l).newInstance(); LOG.trace(Constants.LOG_MSG_LOOKUP_OVERRIDE(overrideClassName)); } else { LOOKUP = new Lookup(); LOG.debug(Constants.LOG_MSG_LOOKUP_SYS_ERROR(overrideClassName), e); LOG.warn(Constants.LOG_MSG_LOOKUP_SYS_ERROR(overrideClassName));