log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="INFO" name="harvester-config">

    <Properties>
        <Property name="LOG_DIR">${sys:logdir}</Property>
        <Property name="ARCHIVE">${LOG_DIR}/archive</Property>
        <Property name="PATTERN">%d{ABSOLUTE} %level{length=5} [%thread] %logger{1} - %msg%n</Property>
    </Properties>

    <Appenders>

        <RollingFile name="fileWriter"
                     fileName="${LOG_DIR}/oai-harvester.log"
                     filePattern="${ARCHIVE}/oai-harvester.log.%d{yyyy-MM-dd}.gz">
            <PatternLayout pattern="${PATTERN}"/>
            <Policies>
                <OnStartupTriggeringPolicy/>
                <TimeBasedTriggeringPolicy interval="3" modulate="true" />
            </Policies>
        </RollingFile>

        <Routing name="RoutingAppender">

            <Routes pattern="$${ctx:logFileName}">

                <!-- This route is chosen if ThreadContext has a value for logFileName
                         The value dynamically determines the name of the log file. -->
                <Route>
                    <RollingFile name="Rolling-${ctx:logFileName}"
                                 fileName="${LOG_DIR}/${ctx:logFileName}.log"
                                 filePattern="${ARCHIVE}/${ctx:logFileName}.log.%d{yyyy-MM-dd}.gz">
                        <PatternLayout pattern="${PATTERN}" />
                        <Policies>
                            <OnStartupTriggeringPolicy/>
                            <!--<SizeBasedTriggeringPolicy size="10MB" />-->
                            <TimeBasedTriggeringPolicy interval="3" modulate="true" />
                        </Policies>
                    </RollingFile>
                </Route>


                <!-- By having this set to ${ctx:logFileName} it will match when filename
                     is not set in the context -->
                <Route ref="fileWriter" key="${ctx:logFileName}"/>
            </Routes>
        </Routing>

    </Appenders>

    <Loggers>

        <Logger name="nl.mpi.oai.harvester" level="INFO" additivity="false">
            <AppenderRef ref="RoutingAppender"/>
        </Logger>
        
        <Logger name="ORG.oclc.oai.harvester2.verb" level="INFO" additivity="false">
            <AppenderRef ref="RoutingAppender"/>
        </Logger>

        <Root level="INFO">
            <AppenderRef ref="fileWriter"/>
        </Root>
    </Loggers>

</Configuration>