Basic log4j2.xml configuration file

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<?xml version="1.0" encoding="UTF-8"?>
    <Console name="STDOUT" target="SYSTEM_OUT">
      <PatternLayout pattern="%d %-5p [%t] %C{2} %m%n"/>
    <Root level="debug">
      <AppenderRef ref="STDOUT"/>

This is a basic log4j2.xml configuration which has a console appender and a root logger. The pattern layout specifies which pattern should be used for logging the statements. In order to debug the loading of log4j2.xml you can add the attribute status = <WARN | DEBUG | ERROR | FATAL | TRACE | INFO> in the configuration tag of your log4j2.xml. You can also add a monitor interval so that it loads the configuration again after the specified interval period. The monitor interval can be added to the configuration tag as follows: monitorInterval = 30. It means that the config will be loaded every 30 seconds.

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