log4j-core/src/test/resources/AsyncLoggerConfigTest4.xml

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="ERROR">
  <Appenders>
    <RandomAccessFile name="File"
          fileName="target/AsyncLoggerConfigTest4.log"
          bufferedIO="false"
          immediateFlush="true"
          append="false">
      <PatternLayout>
        <Pattern>%d %p %c{1.} [%t] %testformat %testparameters %m %ex%n</Pattern>
      </PatternLayout>
    </RandomAccessFile>
  </Appenders>
  <Loggers>
    <Logger name="com.foo.Bar" level="trace">
      <AppenderRef ref="File"/>
    </Logger>
    <AsyncLogger name="com.foo" level="trace">
      <AppenderRef ref="File"/>
    </AsyncLogger>
    <Logger name="com" level="trace">
      <AppenderRef ref="File"/>
    </Logger>
    <AsyncRoot level="info">
      <AppenderRef ref="File"/>
    </AsyncRoot>
  </Loggers>
</Configuration>