spring-security/samples/ldap-xml/src/main/webapp/WEB-INF/classes/logback.xml

<configuration>
	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
	<encoder>
		<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
	</encoder>
	</appender>

	<root level="WARN">
		<appender-ref ref="STDOUT" />
	</root>

</configuration>