Hi log4j-users,
I'm having problems with a custom filter not working as I would expect
and would welcome any explanation you are able to give.
I have created a very simple filter that always returns Filter.ACCEPT
from within decide(), however as I raise level of my logger set in the
configuration file, to INFO for example, I no longer see any DEBUG
output. Even though my filter should log all messages, it appears
something else with Log4j is still making a greaterThanOrEqual
comparison and stopping below threshold messages from reaching my
filter.
Any explanation on what else I need to do/extend to make things work
as I want will be gratefully received.
thanks,
Simon
>
here's my code if it's any help:
package org.logging.test;
import org.apache.log4j.Logger;
import org.apache.log4j.xml.DOMConfigurator;
public class TestLogger {
static Logger logger = Logger.getLogger(TestLogger.class);
public static void main(String[] args) {
String filename = "log.xml";
DOMConfigurator.configure(filename);
logger.fatal("fatal");
logger.error("error");
logger.info("info");
logger.debug("debug");
}
}
my filter:
package org.logging.test;
import org.apache.log4j.spi.Filter;
import org.apache.log4j.spi.LoggingEvent;
public class BitFilter extends Filter {
public int decide(LoggingEvent aEvent) {
return Filter.ACCEPT;
}
}
my log.xml config file:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/";
debug="false">
<appender name="consoleTest" class="org.apache.log4j.ConsoleAppender">
<param name="Target" value="System.out"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%-5p %c{1} >>>> %m%n"/>
</layout>
<filter class="org.logging.test.BitFilter" />
</appender>
<logger name="org.logging.test.TestLogger" additivity="false">
<level value="INFO"/>
<appender-ref ref="consoleTest" />
</logger>
</log4j:configuration>
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