01.
log4j.appender.rolling=org.apache.log4j.RollingFileAppender02.
log4j.appender.rolling.File=C://rolling.log03.
log4j.appender.rolling.MaxFileSize=5KB04.
log4j.appender.rolling.MaxBackupIndex=105.
log4j.appender.rolling.layout=org.apache.log4j.PatternLayout06.
log4j.appender.rolling.layout.ConversionPattern=%d [%t] %-2p %c -%m%n
Rolling File Appender in log4j.xml
01.
<?xml version="1.0" encoding="UTF-8" ?>02.
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">03.
04.
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">05.
<!-- File Appender -->06.
<appender name="rolling" class="org.apache.log4j.RollingFileAppender">07.
<param name="File" value="log/rolling.log"/>08.
<param name="MaxFileSize" value="1kb"/>09.
<param name="MaxBackupIndex" value="1"/>10.
<param name="Append" value="true"/>11.
<layout class="org.apache.log4j.PatternLayout">12.
<param name="ConversionPattern" value="%-5p%c{1}-%m%n"/>13.
</layout>14.
</appender>15.
16.
<root>17.
<priority value ="debug"/>18.
<appender-ref ref="rolling"/>19.
</root>20.
</log4j:configuration>