Log4j in Java – logils: how to log in to a file?

I'm in Grails config This log4j configuration is available in groovy

log4j = {
    error  'org.codehaus.groovy.grails.web.servlet',//  controllers
                   'org.codehaus.groovy.grails.web.pages' //  GSP
    warn 'org.mortbay.log' 


    appenders {
        rollingFile  name:'infoLog',file:'info.log',threshold: org.apache.log4j.Level.INFO,maxFileSize:1024
        rollingFile  name:'warnLog',file:'warn.log',threshold: org.apache.log4j.Level.WARN,maxFileSize:1024
        rollingFile  name:'errorLog',file:'error.log',threshold: org.apache.log4j.Level.ERROR,maxFileSize:1024
        rollingFile  name:'custom',file:'custom.log',maxFileSize:1024
    }

    root {
        info 'infoLog','warnLog','errorLog','custom',stdout
        error()
        additivity = true
    }
}

Infolog, warnlog and errorlog come from the previous problem... They work well

Now I add a new rollingfile wit name "custom"

I try to use log Info ("something... ${obj}") log in from my controller and service; But it seems that the message is not inserted into custom Log, do I need to add something to the configuration?

thank you!!

Solution

Just got the answer from Grails' mailing list:

I just need to add

Debug "Grails. App"

Roar warning "org. Mortbay. Log"

Case closed!

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