[logback-user] Assigning a log level to an appender

Benoît Thiébault thiebault at artenum.com
Fri Dec 14 15:40:09 CET 2012

Hi everyone,

I have developed a custom LogBack appender and I would like it to receive only log messages of a given level. I don't want to hard code it in the class, but to set it in the XML configuration file.

I thought something like this would work (but it doesn't):
<root level="trace">
	<appender-ref ref="FILE" />
	<appender-ref ref="MyTraceAppender" />
	<appender-ref ref="MyInfoAppender" level="info"/>

I also tried something like:
<appender name="MyTraceAppender" class="org.test.MyLogger1"/>
<appender name="MyInfoAppender" class="org.test.MyLogger2" level="info"/>

No luck either.

It seems only loggers can be assigned a threshold level. So I though about something like this:
<logger name="test" level="info">
    <appender-ref ref="MyInfoAppender" />

but this would only log messages sent by classes whose package is test. *... And I want to log anything.

Can anyone help?

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