Pantheon Log4J rolling debug to a file

log4j2-rollingdebug.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn" name="MyApp" packages="">
  <Properties>
    <Property name="root.log.level">DEBUG</Property>
  </Properties>

  <Appenders>
    <RollingFile name="RollingFile" fileName="debug.log"
                 filePattern="debug-%i.log">
      <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSSZZZ} | %t | %-5level | %c{1} | %msg%n"/>
      <Policies>
        <SizeBasedTriggeringPolicy size="50 MB"/>
      </Policies>
      <DefaultRolloverStrategy max="5"/>
    </RollingFile>
    <Console name="Console" target="SYSTEM_OUT">
      <ThresholdFilter level="INFO" onMatch="ACCEPT" onMismatch="DENY"/>
      <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSSZZZ} | %t | %-5level | %c{1} | %msg%n"/>
    </Console>
  </Appenders>
  <Loggers>
    <Root level="${sys:root.log.level}">
      <AppenderRef ref="Console"/>
      <AppenderRef ref="RollingFile"/>
    </Root>
  </Loggers>
</Configuration>