Grails reasonable log4j settings for development

Config.groovy

...

log4j = {
 
 appenders {
  console name:'stdout',  threshold: org.apache.log4j.Level.INFO
  file name:'file', file:'/var/logs/grails.log'
 }
 
 root {
  debug 'file',  'stdout'
  additivity = true
 }
 
 error  'org.codehaus.groovy.grails.orm.hibernate', // hibernate integration
   'org.springframework',
   'org.hibernate',
   'net.sf.ehcache.hibernate'
 
 warn   'org.mortbay.log',
   'org.codehaus.groovy.grails.commons' // core / classloading
   
 info  'org.codehaus.groovy.grails.web.servlet',  //  controllers
  'org.codehaus.groovy.grails.web.pages', //  GSP
  'org.codehaus.groovy.grails.web.sitemesh', //  layouts
  'org.codehaus.groovy.grails.web.mapping.filter', // URL mapping
  'org.codehaus.groovy.grails.web.mapping', // URL mapping
  'org.codehaus.groovy.grails.plugins' // plugins
 
 debug 'grails.app'
}

debug to file and info to your terminal window