log4j.logger.webAplLogger=info, logFilelog4j.appender.logFile=org.apache.log4j.FileAppenderlog4j.appender.logFile.Threshold=warnlog4j.appender.logFile.Append=truelog4j.appender.logFile.File=D:/logs/log.log4j log4j.appender.logFile.layout=org.apache.log4j.PatternLayoutlog4j.appender.logFile.layout.ConversionPattern=[%-5p] %d(%r) --> [%t] %l: %m %x %n 

public static void main(String[] args) {     Logger fileLog = Logger.getLogger("webAplLogger");     fileLog.info("info");     fileLog.warn("warn"); }