promo/application-logger.xml

<configuration>

    <conversionRule conversionWord="coloredLevel" converterClass="play.api.Logger$ColoredLevel"/>
    <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%coloredLevel %date %logger{30} - %message%n%xException{5}</pattern>
        </encoder>
    </appender>

    <!-- Libraries -->
    <logger name="com.ning" level="WARN"/>
    <logger name="org.bson" level="WARN"/>
    <logger name="javax.management" level="WARN"/>
    <logger name="memcached" level="WARN"/>
    <logger name="db" level="DEBUG"/>

    <!-- Application -->
    <logger name="play" level="WARN"/>
    <logger name="application" level="DEBUG"/>

    <logger name="promo.loader" level="DEBUG"/>

    <root level="WARN">
        <appender-ref ref="stdout"/>
        <appender-ref ref="file"/>
    </root>

</configuration>