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Log4j Purging



Tip

Find all the steps for Log4j Purging


Expand
titlePrerequisite
  • Windows OS
  • Java
  • Eclipse


Expand
titleSteps For Setup


Step 1:

  • Create a Maven Project

Step 2:

  • Add log4j dependency in pom.xml
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titlelog4j dependency

<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>

Step 3:

  • Do the below to add log4j.properties file
  1. Create a folder named "resources" in your project
  2. Create a .properties file named log4j

Step 4:

Add the below configuration
Info
titleWith the recommended below settings, maximum of 5 log backup files of 5 MB size each will be maintained


Step 1:

  • Update the below highlighted lines in log4j.properties file
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titlelog4j configuration

# Root logger option

log4j.rootLogger=ERROR, stdout, file

 

# Redirect log messages to console

log4j.appender.stdout=org.apache.log4j.ConsoleAppender

log4j.appender.stdout.Target=System.out

log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n

 

# Redirect log messages to a log file, support file rolling.

log4j.appender.file=org.apache.log4j.RollingFileAppender

log4j.appender.file.File=${sys:INSIGHTS_HOME}logs/PlatformEngine/log4j.log

log4j.appender.file.MaxFileSize=5MB

log4j.appender.file.MaxBackupIndex=5


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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

Step 5:

  • Click right button in the project and go to properties->Java Build Path and, finally, go to the "Source" tab.
  • Click Add folder and select the "resources"
  • Click Apply and Close

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Step 6:

  • Expected output below
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