Hi. In the manual in RollingFile appender section: https://logging.apache.org/log4j/2.x/manual/appenders.html#RollingFileAppender there're 2 typos. First one is in "TimeBased Triggering Policy" section, it says: "This policy accepts an increment" and it should be "This policy accepts an interval". The second one is in the description of "modulate" attribute, it says: "the interval is 4 then then the first rollover", there should be just one "then".
regards mike