sample-app/src/main/resources/log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
~ Licensed to the Apache Software Foundation (ASF) under one or more
~ contributor license agreements. See the NOTICE file distributed with
~ this work for additional information regarding copyright ownership.
~ The ASF licenses this file to You under the Apache license, Version 2.0
~ (the "License"); you may not use this file except in compliance with
~ the License. You may obtain a copy of the License at
~
~      http://www.apache.org/licenses/LICENSE-2.0
~
~ Unless required by applicable law or agreed to in writing, software
~ distributed under the License is distributed on an "AS IS" BASIS,
~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
~ See the license for the specific language governing permissions and
~ limitations under the license.
-->
<Configuration status="ERROR">
  <properties>
    <property name="LOG_DIR">target/logs</property>
  </properties>
  <MarkerFilter marker="FLOW" onMatch="ACCEPT" onMismatch="NEUTRAL"/>
  <MarkerFilter marker="Audit" onMatch="ACCEPT" onMisMatch="NEUTRAL"/>
  <Appenders>
    <Console name="Console" target="SYSTEM_OUT">
      <PatternLayout pattern="%d{ABSOLUTE} %-5level # %class.%method %m%n" />
    </Console>

    <RollingFile name="log4j" fileName="${LOG_DIR}/log4j.txt" filePattern="${LOG_DIR}/archive/log4j.txt.%d{yyyyMMdd_HHmmss}-%i">
      <PatternLayout>
        <MarkerPatternSelector defaultPattern="%d [%t] %-5p %X{loginId, userId, ipAddress, corpAcctNumber} %C{1.}.%M:%L - %m%n">
          <PatternMatch key="FLOW" pattern="%d [%t] %-5p %X{loginId, userId, ipAddress, corpAcctNumber} -------- %C{1.}.%M:%L %msg --------%n"/>
        </MarkerPatternSelector>
      </PatternLayout>
      <Policies>
        <SizeBasedTriggeringPolicy size="30 MB"/>
      </Policies>
      <!-- A max of 20 will allow 20 files per second with the date pattern specified on the RollingFile declaration.
           Hopefully that is a ridiculous value -->
      <DefaultRolloverStrategy min="1" max="20">
        <Delete basePath="${LOG_DIR}/archive">
          <!-- Nested conditions: the inner condition is only evaluated on files for which the outer conditions are true. -->
          <IfFileName glob="log4j.txt.*">
            <!-- Only allow 1 GB of files to accumulate -->
            <IfAccumulatedFileSize exceeds="1 GB"/>
          </IfFileName>
        </Delete>
      </DefaultRolloverStrategy>
    </RollingFile>
    <RollingFile name="audit" fileName="${LOG_DIR}/audit.log" filePattern="${LOG_DIR}/archive/audit.log.%d{yyyyMMdd_HHmmss}-%i">
      <RFC5424Layout enterpriseNumber="18060" includeMDC="true" mdcId="RequestContext" appName="SampleApp"
                     mdcPrefix="" newLine="true"/>
      <Policies>
        <SizeBasedTriggeringPolicy size="30 MB"/>
      </Policies>
      <!-- A max of 20 will allow 20 files per second with the date pattern specified on the RollingFile declaration.
           Hopefully that is a ridiculous value -->
      <DefaultRolloverStrategy min="1" max="20">
        <Delete basePath="${LOG_DIR}/archive">
          <!-- Nested conditions: the inner condition is only evaluated on files for which the outer conditions are true. -->
          <IfFileName glob="audit.log.*">
            <!-- Only allow 1 GB of files to accumulate -->
            <IfAccumulatedFileSize exceeds="1 GB"/>
          </IfFileName>
        </Delete>
      </DefaultRolloverStrategy>
    </RollingFile>
  </Appenders>
  <Loggers>
    <Logger name="org.apache.logging.log4j.audit" level="info" additivity="false">
      <AppenderRef ref="log4j"/>
    </Logger>
    <Logger name="AuditLogger" level="trace" additivity="false">
      <AppenderRef ref="audit"/>
    </Logger>
    <Root level="warn">
      <AppenderRef ref="log4j" />
    </Root>
  </Loggers>
</Configuration>