log4j2.xml

<Configuration status="WARN">
	<Appenders>
		<Console name="Console" target="SYSTEM_OUT">
			<!-- This pattern is mean for development purpose only -->
			<PatternLayout
				pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n" />

			<!-- This pattern is used on OpenOLAT cloud AND the OpenOlat code to send feedback per email
			<PatternLayout
                    pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %marker %c{1} ^%%^ I%X{ref}-J%sn ^%%^ %logger{36} ^%%^ %X{identityKey} ^%%^ %X{ip} ^%%^ %X{referer} ^%%^ %X{userAgent} ^%%^ %msg%ex{full,separator( )}%n" />  
			-->
			
			<!-- This pattern mimic the previous OLog formatting (but not exactly)
			<PatternLayout
				pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %marker %c{1} ^%%^ N${sys:nodeId}-R%X{ref}-M%sn ^%%^ %logger{36} ^%%^ %X{identityKey} ^%%^ %X{ip} ^%%^ %X{referer} ^%%^ %X{userAgent} ^%%^ %msg%ex{full,separator( )}%n" />
			-->
		</Console>
		
		<!-- File append with the pattern optimized to send feedback per email, don't forget to update the AppenderRef below -->
		<!--
		<RollingFile name="RollingFile" fileName="/path_to_logs/logs/olat.log"
			filePattern="/path_to_logs/logs/olat.log.%d{yyyy-MM-dd}">
			<PatternLayout
                    pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %marker %c{1} ^%%^ I%X{ref}-J%sn ^%%^ %logger{36} ^%%^ %X{identity} ^%%^ %X{ip} ^%%^ %X{referer} ^%%^ %X{userAgent} ^%%^ %msg%ex{full,separator( )}%n" />
			<Policies>
				<TimeBasedTriggeringPolicy interval="1" />
			</Policies>
		</RollingFile>
		-->
	</Appenders>
	<Loggers>
		<Logger name="org.apache.commons.httpclient" additivity="false" level="warn">
            <AppenderRef ref="Console" />
        </Logger>
		<Logger name="org.apache.pdfbox" additivity="false" level="fatal">
            <AppenderRef ref="Console" />
        </Logger>
		<Logger name="org.apache.fontbox" additivity="false" level="fatal">
            <AppenderRef ref="Console" />
        </Logger>
		<Logger name="org.hibernate.engine.internal.StatisticalLoggingSessionEventListener" additivity="false" level="fatal">
            <AppenderRef ref="Console" />
        </Logger>
        <!-- Change the level to debug to see the SQL statements generated by Hibernate -->
		<Logger name="org.hibernate.SQL" additivity="false" level="fatal">
			<AppenderRef ref="Console" />
		</Logger>
		<Logger name="org.hibernate.type.descriptor.sql.BasicBinder" additivity="false" level="fatal">
			<AppenderRef ref="Console" />
		</Logger>
		<AsyncRoot level="info">
			<AppenderRef ref="Console" />
		</AsyncRoot>
	</Loggers>
</Configuration>