Follow these steps: 1.- define one file appender for app messages and one appender for non-app messages.
2.- attach non-app appender to the root logger 3.- attach the app appender to the highest point of your app hierachy. Here I'm assuming you app is organized with a package hierachy that can be traced to a package that is the father of all your packages, and that you name your loggers after your classes, i.e. if your app is organized within a package hierachy that is called "com.robertbowen.app.*", you want to attach your app logger to "com.robertbowen.app". 4.- turn off additivity in the com.robertbowen.app logger. Very important, if you don't do this your app output will mingle with your non-app output at the root logger. 5.- Done! With this approach, you can also have your app on DEBUG and non-app messages on INFO or WARNING. On 6/6/06, Robert Bowen <[EMAIL PROTECTED]> wrote:
I have been scouring the list and have found a few mentions of how to maintain two seperate log files but I can't find examples and in any case what I would like to do is something a little different although I'm sure easy to do. My app spits out all kinds of info in a certain, precise format. Tomcat startup/shutdown and Java exceptions are sneaking into my log. I would like tobe able to have all non-app messages go to one log, and app messages to another. I am using xml format andmy log4j.xml is dirt simple. Can anyone tell me how to do this, or point me to a link? The documentation is enormous and they seem to explain just about everything you can possibly do with log4j ... except what I want to do. :( Thanks in advance, log4j.xml follows, Bob <log4j:configuration debug="true" xmlns:log4j="http://jakarta.apache.org/log4j/";> <appender name="ASYNC" class="org.apache.log4j.AsyncAppender"> <appender-ref ref="DAILYFILE"/> </appender> <appender name="DAILYFILE" class="org.apache.log4j.DailyRollingFileAppender"> <param name="file" value="${log.dir}vcache_sys"/> <param name="datePattern" value="'.'yyyy-MM-dd"/> <param name="threshold" value="INFO"/> <param name="append" value="true"/> <param name="immediateFlush" value="true"/> <layout class="org.apache.log4j.PatternLayout"> <param name="conversionPattern" value="%m%n"/> </layout> </appender> <root> <priority value="info"/> <appender-ref ref="ASYNC"/> </root> </log4j:configuration> --------------------------------- Yahoo! Messenger with Voice. Make PC-to-Phone Calls to the US (and 30+ countries) for 2¢/min or less.
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