log4j-core/src/test/resources/log4j-test2.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
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 contributor license agreements.  See the NOTICE file distributed with
 this work for additional information regarding copyright ownership.
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      http://www.apache.org/licenses/LICENSE-2.0

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<Configuration status="OFF" name="XMLConfigTest" monitorInterval="1">
  <Appenders>
    <RollingFile name="HostFile" fileName="target/${hostName}.log" filePattern="target/${hostName}-%d{MM-dd-yyyy}-%i.log">
      <PatternLayout>
        <Pattern>%d %p %C{1.} [%t] %m%n</Pattern>
      </PatternLayout>
      <Policies>
        <OnStartupTriggeringPolicy />
        <TimeBasedTriggeringPolicy interval="24" modulate="true" />
      </Policies>
    </RollingFile>
    <Console name="STDOUT">
      <PatternLayout pattern="%m MDC%X%n"/>
      <Filters>
        <MarkerFilter marker="FLOW" onMatch="DENY" onMismatch="NEUTRAL"/>
        <MarkerFilter marker="EXCEPTION" onMatch="DENY" onMismatch="ACCEPT"/>
      </Filters>
    </Console>
    <Console name="FLOW">
      <PatternLayout pattern="%C{1}.%M %m %ex%n"/>
      <Filters>
        <MarkerFilter marker="FLOW" onMatch="ACCEPT" onMismatch="NEUTRAL"/>
        <MarkerFilter marker="EXCEPTION" onMatch="ACCEPT" onMismatch="DENY"/>
      </Filters>
    </Console>
    <File name="File" fileName="target/test.log">
      <PatternLayout>
        <Pattern>%d %p %C{1.} [%t] %m%n</Pattern>
      </PatternLayout>
    </File>
    <List name="List">
    </List>
    <List name="HostTest">
      <PatternLayout pattern="%d %p %C{1.} [%t] %m ${hostName}%n"/>
    </List>
    <List name="NoThrowable">
      <PatternLayout pattern="%d %p %C{1.} [%t] %m%n%ex{0}"/>
    </List>
  </Appenders>

  <Loggers>
    <Logger name="org.apache.logging.log4j.test1" level="debug" additivity="false">
      <ThreadContextMapFilter>
        <KeyValuePair key="test" value="123"/>
      </ThreadContextMapFilter>
      <AppenderRef ref="STDOUT"/>
    </Logger>

    <Logger name="org.apache.logging.log4j.hosttest" level="debug" additivity="false">
      <!-- User appender-ref alias to prove it works -->
      <appender-ref ref="HostTest"/>
    </Logger>


    <Logger name="org.apache.logging.log4j.nothrown" level="debug" additivity="false">
      <AppenderRef ref="NoThrowable"/>
    </Logger>

    <Logger name="org.apache.logging.log4j.core.LoggerTest" additivity="false">
      <AppenderRef ref="List"/>
    </Logger>

    <Logger name="org.apache.logging.log4j.core" level="debug" additivity="false">
      <AppenderRef ref="STDOUT"/>
    </Logger>

    <Logger name="org.apache.logging.log4j.test2" level="debug" additivity="false">
      <AppenderRef ref="File"/>
    </Logger>
    <Logger name="org" level="error" additivity="true"/>
    <Root level="trace">
      <AppenderRef ref="List"/>
    </Root>
  </Loggers>

</Configuration>