• Java
• log4j

log4j

• http://logging.apache.org/log4j

Example log4j 1.2.17

Project structure:

.
|-- log4j.properties
|-- log4jexample.log
|-- pom.xml
|-- src
|   `-- main
|       `-- java
|           `-- org
|               `-- allowed
|                   `-- bitarus
|                       `-- log4jexample
|                           `-- Main.java
`-- target
    |-- classes
    |   `-- org
    |       `-- allowed
    |           `-- bitarus
    |               `-- log4jexample
    |                   `-- Main.class
    |-- log4jexample-1.0.0.0-SNAPSHOT.jar
    |-- maven-archiver
    |   `-- pom.properties
    `-- surefire

pom.xml

   1 <project
   2 xmlns="http://maven.apache.org/POM/4.0.0"
   3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   4 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   5     <modelVersion>4.0.0</modelVersion>
   6     <groupId>org.allowed.bitarus</groupId>
   7     <artifactId>log4jexample</artifactId>
   8     <version>1.0.0.0-SNAPSHOT</version>
   9     <packaging>jar</packaging>
  10     <name>log4jexample</name>
  11     <dependencies>
  12         <dependency>
  13             <groupId>log4j</groupId>
  14             <artifactId>log4j</artifactId>
  15             <version>1.2.17</version>
  16             </dependency>
  17     </dependencies>      
  18 </project>

Main.java

   1 package org.allowed.bitarus.log4jexample;
   2 import java.util.concurrent.ExecutorService;
   3 import java.util.concurrent.Executors;
   4 import org.apache.log4j.Logger;
   5 /*
   6 java -cp target/log4jexample-1.0.0.0-SNAPSHOT.jar:/home/vitor/.m2/repository/log4j/log4j/1.2.17/log4j-1.2.17.jar -Dlog4j.configuration="file:///home/vitor/Documents/log4jexample/log4j.properties"  org.allowed.bitarus.log4jexample.Main
   7 */
   8 public class Main{
   9     public static void main(String[] args){
  10         ExecutorService executorService = Executors.newFixedThreadPool(10);
  11         //System.out.println("Test");
  12         //test.Test loggerName
  13         Logger logger = Logger.getLogger(Main.class);
  14         logger.info("test log4j info");
  15         logger.debug("test log4j debug");
  16     }
  17 }

log4j.properties

log4j.logger.org.allowed.bitarus.log4jexample.Main=ALL,log4jexampleAppender,log4jexampleAppenderConsole
 
log4j.appender.log4jexampleAppender=org.apache.log4j.DailyRollingFileAppender
log4j.appender.log4jexampleAppender.File=log4jexample.log
log4j.appender.log4jexampleAppender.layout=org.apache.log4j.PatternLayout
log4j.appender.log4jexampleAppender.layout.ConversionPattern=%d{ISO8601}|%p|%c|%t|%m%n
log4j.appender.log4jexampleAppender.Threshold=DEBUG
log4j.appender.log4jexampleAppender.DatePattern='.'yyyyMMdd
 
log4j.appender.log4jexampleAppenderConsole=org.apache.log4j.ConsoleAppender
log4j.appender.log4jexampleAppenderConsole.layout=org.apache.log4j.PatternLayout
log4j.appender.log4jexampleAppenderConsole.layout.ConversionPattern=%d{ISO8601}|%p|%c|%t|%m%n
log4j.appender.log4jexampleAppenderConsole.Threshold=INFO