log4j.rootLogger = DEBUG, A2
log4j.appender.A2 = org.apache.log4j.RollingFileAppender
log4j.appender.A2.File = error.log
log4j.appender.A2.MaxFileSize = 30KB
log4j.appender.A2.MaxBackupIndex = 3
log4j.appender.A2.layout = org.apache.log4j.PatternLayout
log4j.appender.A2.layout.ConversionPattern = %d{yyyy-MM-dd hh:mm:ss}:%p %t %c - %m%n