log4j2.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?><Configuration monitorInterval="10">

	<Appenders>
		<Console name="STDOUT">
			<PatternLayout pattern="%d{HH:mm:ss.SSS} [%-5.5p] [%-36.36c] - %m%n"/>
		</Console>

		<!-- Rolling file appender -->
		<RollingFile fileName="${sys:openhab.logdir}/openhab.log" filePattern="${sys:openhab.logdir}/openhab.log.%i.gz" name="LOGFILE">
			<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5.5p] [%-36.36c] - %m%n"/>
			<Policies>
				<OnStartupTriggeringPolicy/>
				<SizeBasedTriggeringPolicy size="16 MB"/>
			</Policies>
			<DefaultRolloverStrategy max="7"/>
		</RollingFile>

		<!-- Event log appender -->
		<RollingRandomAccessFile fileName="${sys:openhab.logdir}/events.log" filePattern="${sys:openhab.logdir}/events.log.%i.gz" name="EVENT">
			<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5.5p] [%-36.36c] - %m%n"/>
			<Policies>
				<OnStartupTriggeringPolicy/>
				<SizeBasedTriggeringPolicy size="16 MB"/>
			</Policies>
			<DefaultRolloverStrategy max="7"/>
		</RollingRandomAccessFile>

		<!-- Audit file appender -->
		<RollingRandomAccessFile fileName="${sys:openhab.logdir}/audit.log" filePattern="${sys:openhab.logdir}/audit.log.%i.gz" name="AUDIT">
			<PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss.SSS} [%-5.5p] [%-36.36c] - %m%n"/>
			<Policies>
				<OnStartupTriggeringPolicy/>
				<SizeBasedTriggeringPolicy size="8 MB"/>
			</Policies>
			<DefaultRolloverStrategy max="7"/>
		</RollingRandomAccessFile>

		<!-- OSGi appender -->
		<PaxOsgi filter="*" name="OSGI"/>
	</Appenders>

	<Loggers>
		<!-- Root logger configuration -->
		<Root level="${env:logger.root.level:-WARN}">
			<AppenderRef ref="LOGFILE"/>
			<AppenderRef ref="OSGI"/>
			<AppenderRef ref="STDOUT"/>
		</Root>

		<!-- openHAB specific logger configuration -->

		<Logger level="${env:logger.openhab.level:-INFO}" name="org.openhab"/>

		<!-- Uncomment this logger and update the name to enable debug logging for a binding -->
		<!--
		<Logger level="DEBUG" name="org.openhab.binding.YOURBINDINGNAME"/>
		-->

		<!-- You can also override the variables of the loggers below to enable logging without -->
		<!-- modifying this file. E.g. set 'logger.misc1.name' to 'org.openhab.binding.YOURBINDINGNAME' -->
		<!-- in the launch configuration of app.bndrun . Similarly you can also override the -->
		<!--'logger.misc1.level' this way or change the log level of the root and openhab loggers above. -->
		<Logger level="${env:logger.misc1.level:-DEBUG}" name="${env:logger.misc1.name:-override.me}"/>
		<Logger level="${env:logger.misc2.level:-DEBUG}" name="${env:logger.misc2.name:-override.me}"/>
		<Logger level="${env:logger.misc3.level:-DEBUG}" name="${env:logger.misc3.name:-override.me}"/>

		<Logger level="ERROR" name="openhab.event.ItemStateEvent"/>
		<Logger level="ERROR" name="openhab.event.ItemAddedEvent"/>
		<Logger level="ERROR" name="openhab.event.ItemRemovedEvent"/>
		<Logger level="ERROR" name="openhab.event.ItemChannelLinkAddedEvent"/>
		<Logger level="ERROR" name="openhab.event.ItemChannelLinkRemovedEvent"/>
		<Logger level="ERROR" name="openhab.event.ChannelDescriptionChangedEvent"/>
		<Logger level="ERROR" name="openhab.event.ThingStatusInfoEvent"/>
		<Logger level="ERROR" name="openhab.event.ThingAddedEvent"/>
		<Logger level="ERROR" name="openhab.event.ThingUpdatedEvent"/>
		<Logger level="ERROR" name="openhab.event.ThingRemovedEvent"/>
		<Logger level="ERROR" name="openhab.event.InboxUpdatedEvent"/>
		<Logger level="ERROR" name="openhab.event.RuleStatusInfoEvent"/>
		<Logger level="ERROR" name="openhab.event.RuleAddedEvent"/>
		<Logger level="ERROR" name="openhab.event.RuleRemovedEvent"/>
		<Logger level="ERROR" name="openhab.event.StartlevelEvent"/>
		<Logger level="ERROR" name="openhab.event.AddonEvent"/>

		<Logger additivity="false" level="INFO" name="openhab.event">
			<AppenderRef ref="EVENT"/>
			<AppenderRef ref="OSGI"/>
			<AppenderRef ref="STDOUT"/>
		</Logger>

		<!-- openHAB user based script logger configuration -->
		<Logger level="TRACE" name="org.openhab.automation.script" />
		
		<Logger level="ERROR" name="javax.jmdns"/>
		<Logger level="ERROR" name="org.jupnp"/>

		<!-- Filters known issues of pax-web (issue link to be added here). -->
		<!-- Can be removed once the issues are resolved in an upcoming version. -->
		<Logger level="OFF" name="org.ops4j.pax.web.pax-web-runtime"/>

		<!-- Filters known issues of lsp4j, see -->
		<!-- https://github.com/eclipse/smarthome/issues/4639 -->
		<!-- https://github.com/eclipse/smarthome/issues/4629 -->
		<!-- https://github.com/eclipse/smarthome/issues/4643 -->
		<!-- Can be removed once the issues are resolved in an upcoming version. -->
		<Logger level="OFF" name="org.eclipse.lsp4j"/>

		<!-- Filters warnings for events that could not be delivered to a disconnected client. -->
		<Logger level="ERROR" name="org.apache.cxf.jaxrs.sse.SseEventSinkImpl"/>

		<!-- Filters known issues of javax.mail, see -->
		<!-- https://github.com/openhab/openhab-addons/issues/5530 -->
		<Logger level="ERROR" name="javax.mail"/>

		<!-- Filters disconnection warnings of the ChromeCast Java API, see -->
		<!-- https://github.com/openhab/openhab-addons/issues/3770 -->
		<Logger level="ERROR" name="su.litvak.chromecast.api.v2.Channel"/>
	</Loggers>

</Configuration>