<div><a href="http://logback.qos.ch/manual/configuration.html#loggerElement">http://logback.qos.ch/manual/configuration.html#loggerElement</a></div><div><br></div><div><span class="Apple-style-span" style="font-family: Verdana, Arial, SunSans-Regular, sans-serif; background-color: rgb(255, 255, 255); font-size: medium; "><h4 style="color: rgb(51, 51, 51); padding-top: 0ex; background-color: transparent; font-weight: bold; font-size: medium; ">
<a name="loggerElement" href="http://logback.qos.ch/manual/configuration.html#loggerElement" style="color: rgb(0, 0, 204); background-color: transparent; text-decoration: none; ">Configuring loggers, or the <code><logger></code> element</a></h4>
</span></div><div>each appender thus referenced is added to the named logger. Note that unlike log4j, logback-classic does not close or remove any previously referenced appenders before adding the new appender reference.</div>
<div><br></div><div><br></div><div><br></div><div><br></div><div>In log4j version 1.2.16 , any previously referenced appenders are valid.</div><div><div><logger name="classlogger" additivity="false"></div>
<div><span class="Apple-tab-span" style="white-space:pre"> </span><level value="INFO" /></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><appender-ref ref="MYINFO_FILE" /></div>
<div><span class="Apple-tab-span" style="white-space:pre"> </span><appender-ref ref="DEBUG" /></div><div></logger></div></div><div><br></div><div><br></div><div>So, the manual is wrong. </div>