DailyRollingFileAppender

With the following Log4j configuration



 log4j.appender.R=org.apache.log4j.DailyRollingFileAppender

 log4j.appender.R.File=sample.log

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





The sample.log will be copied to sample.log.2006-06-06, example,



 sample.log

 sample.log.2006-06-06

 sample.log.2006-06-05



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1. name="Rolling" class="org.apache.log4j.RollingFileAppender">
2. name="file" value="${catalina.home}/logs/test.log" />
3. name="maxFileSize" value="10000KB" />
4. name="maxBackupIndex" value="25" />
5. class="org.apache.log4j.PatternLayout">
6. name="ConversionPattern" value="[%t] %d{HH:mm:ss,SSS} %-5p %l - %m%n" />

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1. name="Daily" class="org.apache.log4j.DailyRollingFileAppender">
2. name="file" value="${catalina.home}/logs/test.log" />
3. name="DatePattern" value="'.'yyyy-MM-dd" />
4. name="MaxBackupIndex" value="10" />
5. class="org.apache.log4j.PatternLayout">
6. name="ConversionPattern" value="[%t] %d{HH:mm:ss,SSS} %-5p %l - %m%n" />
9.