Log Formatting using log4j.properties File

If you want to generate logging information, you should specify a format. In this context, you should use a Layout for logging information. The following configuration file has been prepared using PatternLayout.

log = D:\\log4j log4j.rootLogger = DEBUG, FILE log4j.appender.FILE=org.apache.log4j.FileAppender log4j.appender.FILE.File=${log}\\log.out log4j.appender.FILE.layout=org.apache.log4j.PatternLayout log4j.appender.FILE.layout.ConversionPattern=%d{yyyy-MM-dd}-%t-%x-%-5p-%-10c:%m%n

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If you want to generate logging information in an HTML format, you can use HTMLLayout as shown below.

log = D:\\log4j log4j.rootLogger = DEBUG, FILE log4j.appender.FILE=org.apache.log4j.FileAppender log4j.appender.FILE.File=${log}\\htmlLayout.html log4j.appender.FILE.layout=org.apache.log4j.HTMLLayout log4j.appender.FILE.layout.Title=HTML Layout Example log4j.appender.FILE.layout.LocationInfo=true

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Happy Exploring!