private boolean filterInvalidStr(String callerHost) {
        for (String invalidStr : invalidStrs) {
            if (!validStrCheck(callerHost, invalidStr)) {
                logger.debug("filter:{} {}", callerHost, invalidStr);
                return true;
            }
        }
        return false;
    }
https://github.com/pinpoint-apm/pinpoint/issues/7659
collector/src/main/java/com/navercorp/pinpoint/collector/dao/hbase/ReactorNettyBugWorkaroundFilter.java