log4j.rootLogger=ERROR, qcg-icon log4j.logger.org.qcg.icon=TRACE log4j.appender.qcg-icon=org.apache.log4j.RollingFileAppender log4j.appender.qcg-icon.File=${user.home}/.qcg-icon/qcg-icon.log log4j.appender.qcg-icon.MaxFileSize=100KB log4j.appender.qcg-icon.layout=org.apache.log4j.PatternLayout log4j.appender.qcg-icon.layout.ConversionPattern=%-20d [%p] %t : %m%n