log4j.appender.file=org.apache.log4j.RollingFileAppender log4j.appender.file.File=/path/to/log/file.log log4j.appender.file.MaxFileSize=10MB log4j.appender.file.MaxBackupIndex=5 log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n log4j.appender.file.BufferedIO=true log4j.appender.file.BufferSize=8192 log4j.async=true <context-param> <param-name>log4jConfigLocation</param-name> <param-value>/path/to/log4j.dev.properties</param-value> </context-param> import org.apache.log4j.Logger; public class MyClass { private static final Logger LOGGER = Logger.getLogger(MyClass.class); public void doSomething() { LOGGER.info("This is an info log"); LOGGER.debug("This is a debug log"); LOGGER.error("This is an error log"); } } log4j.appender.file=org.apache.log4j.RollingFileAppender log4j.appender.file.File=/path/to/log/file.log log4j.appender.file.MaxFileSize=10MB log4j.appender.file.MaxBackupIndex=5 log4j.appender.file.layout=org.apache.log4j.PatternLayout log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n