logback: Two appenders, multiple loggers, different levels

Question

I want to have two log files in my application (Spring Integration), debug.log and main.log. I want to run main.log at an INFO level and debug.log at a DEBUG level. This i

Answer 1

You can also do this somewhat more simply if you are willing to inherit from the root logger, e.g. here we add an extra logger for errors, that logs to stderr. It's only enabled for particular loggers.

    
        System.out 
        
            %d %-5level [%thread] %logger{0}: %msg%n
        
    
    
        
            ERROR
        

        System.err
        
            %d %-5level [%thread] %logger{0}: %msg%n