Arduino/app/src/log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn" name="Arduino" packages="cc.arduino">
  <Appenders>

    <!-- Console Appender -->
    <Console name="Console" target="SYSTEM_ERR">
      <PatternLayout pattern="%d{yyyy-MM-dd'T'HH:mm:ss.SSSXXX}{UTC} %p %c{1.}:%L [%t] %m%n"/>
    </Console>

    <!-- Rolling File Appender -->
    <RollingFile name="RollingFile" fileName="${sys:log4j.saveDirectory}/logs/application.log"
                 filePattern="${sys:log4j.saveDirectory}/logs/application-%d{MM-dd-yyyy}-%i.log.gz"
                 ignoreExceptions="false">
      <PatternLayout>
        <Pattern>%d{yyyy-MM-dd'T'HH:mm:ss.SSSXXX}{UTC} %p %c{1.}:%L [%t] %m%n</Pattern>
      </PatternLayout>
      <Policies>
        <SizeBasedTriggeringPolicy size="50 MB"/>
      </Policies>
      <DefaultRolloverStrategy max="20"/>
    </RollingFile>
  </Appenders>
  <Loggers>
    <Root level="debug">
      <AppenderRef ref="Console" level="info" />
      <AppenderRef ref="RollingFile"/>
    </Root>
  </Loggers>
</Configuration>