I am having following xml config for log4j with 3 appenders. And want to configure logger the following way:
All messages more than INFO are written to STDOUT and global log FILE appenders
But for some class Oauth I want to have extra log file OAUTHFILE
Some classes are filtered and write messages to LOG only on error level this can be achieved by
<logger name="application" level="ERROR" />
some classes are filtered and write messages to its own log file. This is also solved with additivity equal false flag.
<logger name="MapActor" level="DEBUG" additivity="false"> <appender-ref ref="MAPACTORFILE" /> </logger>
But how can I solve the 2nd problem. The folowing configuration produces debug and error messages in STDOUT and! in OAUTHFILE
<configuration>
...
<appender name="STDOUT" ...></appender>
<appender name="FILE" ...>
</appender>
<appender name="OAUTHFILE" ...>
</appender>
...
<logger name="controllers.OAuth" level="DEBUG" additivity="false">
<appender-ref ref="OAUTHFILE" />
</logger>
<root level="INFO">
<appender-ref ref="STDOUT" />
<appender-ref ref="FILE" />
</root>
</configuration>
Actually I have found the solution for second task. I should make 2 STDOUT and FILE appenders - one for general logging and the second one with filtering
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} %coloredLevel %cyan(%logger{15}) %message%n%xException{5}</pattern>
</encoder>
</appender>
<appender name="STDOUTERR" class="ch.qos.logback.core.ConsoleAppender">
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>WARN</level>
</filter>
<encoder>
<pattern>%d{HH:mm:ss.SSS} %coloredLevel %cyan(%logger{15}) %message%n%xException{5}</pattern>
</encoder>
</appender>
And use the second as extra appender-ref for classes that should produce error log to general stdout like here:
<logger name="MapActor" level="DEBUG" additivity="false">
<appender-ref ref="MAPACTORFILEAPPENDER" />
<appender-ref ref="STDOUTERR" />
</logger>
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