log4j 2 throws log4j 1 warnings

[Nerdy-5]

Description

In hierarchy.java, the lines

log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

make it seem, like log4j 1.x is failing to boot up, providing a link to outdated documentation.

Configuration

Version: [2.20.0]

Operating system: [AIX]

JDK: [OpenJDK 11]

Logs

log4j:WARN No appenders could be found for logger (xxx).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.

Reproduction

n.a.

[ppkarwasz]

Messages starting with log4j:WARN are really generated by Log4j 1.x (or Reload4j, see qos-ch/reload4j#69).

I am moving this to discussions.