Select an appropriate logging level for your needs that balances the amount of information captured with the troubleshooting you have to do. The logging level defaults to ERROR for production installations and INFO for development installations.
Search for the following section in log4j2-nnl.xml or log4j2.xml. Change the log level to one of the values listed below.
<Loggers>
<Root level="<log level>">
<AppenderRef ref="DRFILE" />
</Root>
</Loggers>Commonly used logging levels:
DEBUG: The highest log setting. Use this setting while you're troubleshooting issues.
ERROR: Only log errors.
INFO: A typical log level that shows operations and failures.