[logback-user] runtime configuration

[Ceki Gulcu]

LoggerContext.reset (aka shutdownAndReset) does not touch logger levels. This is 
  a relic from log4j, which behaves in the same way. Would you like the level 
values nulled as well?

mateusz jedruch wrote:
> Hi,
> I am preparing something like web interface for my app logging configuration,
> similar to yours JMX configurator.
> As I noticed when you add new logger in the runtime then it is impossible
> to remove it (set its log level null). I have checked the shutdownAndReset()
> and id doesn't work.
> 
> I have attached the source code which should explain you what I would like
> achieved. Could you check it?
> 
> Thanks,
> -mateusz
> 
> package foo;
> 
> import org.slf4j.Logger;
> import org.slf4j.LoggerFactory;
> 
> import ch.qos.logback.classic.Level;
> import ch.qos.logback.classic.LoggerContext;
> import ch.qos.logback.classic.jmx.Configurator;
> 
> public class Main {
> 
>     private static final Logger LOGGER = LoggerFactory.getLogger(Main.class);
> 
>     public static void main(String[] args) {
>         LOGGER.info("Message #1"); //shouldn't be logged, LOGGER's
> level is null so takes root's off level
>         LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
>         ch.qos.logback.classic.Logger log = lc.getLogger(LOGGER.getName());
>         log.setLevel(Level.INFO);
>         LOGGER.info("Message #2"); //should be logged, LOGGER's level is info
>         Configurator config = new Configurator(lc);
>         config.reload(); //shutdownAndReset() is call inside this method
>         LOGGER.info("Message #3"); // why it is logged here ? LOGGER's
> level is still INFO, shouldn't be null ?
>     }
> }
> 
> logback.xml:
> 
> <configuration>
> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
>     <layout class="ch.qos.logback.classic.PatternLayout">
>         <Pattern>%d{HH:mm:ss.SSS} [%thread] %5level %logger{18} -
> %msg%n</Pattern>
>     </layout>
> </appender>
> 
> <root>
>     <level value="off" />
>     <appender-ref ref="STDOUT" />
> </root>
> </configuration>
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> 

-- 
Ceki Gülcü
Logback: The reliable, generic, fast and flexible logging framework for Java.
http://logback.qos.ch