Github user justinleet commented on the issue:
https://github.com/apache/metron/pull/1213
@mmiklavc It's been like that for a long time.
https://github.com/apache/metron/blob/6fb85e124d87581c37b79ea105570f4f85b59384/metron-platform/metron-parsers/src/main/java/org/apache/metron/parsers/bolt/ParserBolt.java#L118.
It's probably earlier than this, I didn't track down the actual commit, just
checked a random one from awhile ago.---
