I'm integrating a third party library into our application. This library
produces a lot of output at the DEBUG level that I'd like NOT to be in our
regular application log. However recently we've encountered a problem that
we can only diagnose by turning on the debug level for this code. I'd like
to be able to segregate this output to a separate file using a separate
appender.
My log4j.xml looks something like this (irrelevant parts removed):
<appender name="MainAppender"
class="org.jboss.logging.appender.DailyRollingFileAppender">
<param name="File" value="${jboss.server.home.dir}/log/server.log"/>
<param name="Append" value="true"/>
<param name="Threshold" value="DEBUG"/>
<!-- Rollover at midnight each day -->
<param name="DatePattern" value="'.'yyyy-MM-dd"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<appender name="ThirdPartyAppender"
class="org.jboss.logging.appender.DailyRollingFileAppender">
<param name="File" value="${jboss.server.home.dir}/log/thirdParty.log"/>
<param name="Append" value="true"/>
<param name="Threshold" value="DEBUG"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p [%c] %m%n"/>
</layout>
</appender>
<category name="com.thirdparty">
<priority value="DEBUG"/>
<appender-ref ref="ThirdPartyDebug"/>
</category>
<category name="com.thirdparty">
<priority value="WARN"/>
</category>
<root>
<priority value="TRACE" class="org.jboss.logging.XLevel"/>
<appender-ref ref="CONSOLE"/>
<appender-ref ref="MainAppender"/>
</root>
What ends up happening is that I get debug level output in both the
MainAppender and the ThirdPartyAppender. I'd like to only get WARN and
above in the Main appender for the thirdparty library and I'd like to get
Debug in the ThirdParty log.
Any ideas?
Thanks,
Adam
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