log4j by date

#log4j.logger.E=error

log4j.appender.E = org.apache.log4j.DailyRollingFileAppender

log4j.appender.E.layout=org.apache.log4j.PatternLayout

log4j.appender.E.layout.ConversionPattern=%d{yyyy-MM-dd-HH-mm-ss,SSS} [%t] [%c] [%p] - %m%n

# file naming

log4j.appender.E.DatePattern='.'yyyy-MM-dd

log4j.appender.E.Threshold = ERROR

log4j.appender.E.Append=true

log4j.appender.E.File=./xc_asmt_log/error/error.log