log4j example
# Define the root logger with appender file
log = /usr/home/log4j
log4j.rootLogger = DEBUG, FILE
# Define the file appender
log4j.appender.FILE=org.apache.log4j.FileAppender
log4j.appender.FILE.File=${log}/log.out
# Define the layout for file appender
log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.FILE.layout.conversionPattern=%m%nlogging to a file log4j
// How to log to a file using log4j :
String filePath = "D:/Logs/MyFirstLog.log";
PatternLayout layout = new PatternLayout("%-5p %d %m%n");
RollingFileAppender appender = new RollingFileAppender(layout, filePath);
appender.setName("MyFirstLog");
appender.setMaxFileSize("20MB");
appender.activateOptions();
logger.addAppender(appender);
logger.info("this will be printed in the provided log file");Copyright © 2021 Codeinu
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