logger.cfg

# Set root logger level to DEBUG and its only appender to A1. 
log4j.rootLogger=DEBUG, A1

# A1 is set to be a ConsoleAppender. 
log4j.appender.A1=org.apache.log4j.ConsoleAppender

log4j.logger.tvisibility_rottree=INFO, A1
# A1 uses PatternLayout. 
log4j.appender.A1.layout=org.apache.log4j.PatternLayout 
log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n