Log4j - File Appender

File Appender configuration in log4j.properties

• 01.log4j.appender.file=org.apache.log4j.FileAppender
• 02.log4j.appender.file.File=C:/logfile.log
• 03.log4j.appender.file.layout=org.apache.log4j.PatternLayout
• 04.log4j.appender.file.layout.ConversionPattern=%d %c [%t] %-2p %c -%m%n

File Appender configuration 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="file" class="org.apache.log4j.FileAppender">
• 07.         <param name="File" value="log/file.log"/>
• 08.         <param name="Append" value="true"/>
• 09.         <layout class="org.apache.log4j.PatternLayout">
• 10.             <param name="ConversionPattern" value="%-5p%c{1}-%m%n"/>
• 11.         </layout>
• 12.     </appender>
• 13. 
• 14.    <root>
• 15.         <priority value ="debug"/>
• 16.         <appender-ref ref="file"/>
• 17.     </root>
• 18. </log4j:configuration>