RE: appenders in different levels? [newbie]

[PAULET Charles (DEVOTEAM)]

        -----Message d'origine-----
        De:     Adam Krieg 
        Date:   mardi 26 février 2002 16:41
        À:      'Log4J Users List'
        Objet:  RE: appenders in different levels? [newbie]

        Markus,
                I have a logging system where only fatal errors are sent through an
        SMTP handler and mailed to someone.  All messages are logged to the console.

        To do this my config file looks like this:

        log4j.rootLogger=debug, stdout,mail

        log4j.appender.stdout=org.apache.log4j.ConsoleAppender
        log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
        log4j.appender.stdout.layout.ConversionPattern=%5p [%t] (%F:%L) - %m%n

        #Use the SMTPAppender for mail
        log4j.appender.mail=org.apache.log4j.net.SMTPAppender
        [EMAIL PROTECTED]
        [EMAIL PROTECTED]
        log4j.appender.mail.Subject=A Fatal Harness Error Occurred
        log4j.appender.mail.SMTPHost=myMailHost
        log4j.appender.mail.layout=org.apache.log4j.PatternLayout
        log4j.appender.mail.layout.ConversionPattern=%5p [%t] (%F:%L) - %m%n

        #implement this class to only react to fatal or above errors
        log4j.appender.mail.EvaluatorClass=com.adam.utils.MailEventEvaluator



        Now we need to implement com.adam.utils.MailEventEvaluator which will cause
        the SMTPHandler to only be used when we come across a fatal level message.


        package com.adam.utils;

        import org.apache.log4j.Level;
        import org.apache.log4j.spi.TriggeringEventEvaluator;
        import org.apache.log4j.spi.LoggingEvent;

        /**
         *      This class isn used to send fatal error messages to a mail server as
        per
         *       Log4J TriggeringEventEvaluator functionality
         */
        public class MailEventEvaluator implements TriggeringEventEvaluator {
            public boolean isTriggeringEvent (LoggingEvent event)  {
                return event.level.isGreaterOrEqual(Level.FATAL);
            }
        }


        Hope this helps,
        Adam
        -----Original Message-----
        From: Markus Spath [mailto:[EMAIL PROTECTED]]
        Sent: Tuesday, February 26, 2002 10:26 AM
        To: [EMAIL PROTECTED]
        Subject: appenders in different levels? [newbie]


        Hi,

        is it possible to add appenders to category definitions listening to
        different 
        log-levels (sorry if my terminology is awkward)

        e.g.
        to print only errors of a given Category to the ConsoleAppender, but
        printing 
        all messages to a RolingFileAppender?

        (a workaround would be to define a seperate Category)


        any examples (*.lcf) would be very helpful.

        thanks,
        Markus


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