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# Articles and Tutorials

A collection of external articles and tutorials about Log4j 2. The [Log4j 2 manual](manual/index.html) is the ultimate
guide for up-to-date and detailed information on how to configure and use Log4j 2.

## Chinese

* [Log4j 2.6免垃圾收集](http://www.infoq.com/cn/news/2016/06/log4j-garbage-free)
(June 12, 2016)
* [详解log4j2(上) - 从基础到实战](http://blog.csdn.net/autfish/article/details/51203709)
(April 20, 2016)
* [Log4j2使用笔记](http://www.jianshu.com/p/7aec512a003c)
(November 3, 2015)
* [过渡到全新Log4j：Log4j项目管理委员会访谈](http://www.infoq.com/cn/news/2015/09/interview-log4j-pmc)
(September 14, 2015)
* [Log4j版本1生命周期终结](http://www.infoq.com/cn/news/2015/09/log4j-version-1-reaches-eol)
(September 3, 2015)
* [Apache Log4j 2.0值得升级吗](http://www.infoq.com/cn/news/2014/08/apache-log4j2)
(August 5, 2014)
* [log4j2 使用详解](http://blog.csdn.net/lrenjun/article/details/8178875)
(November 13, 2012)
* [Log4j2配置文件详解](https://my.oschina.net/xianggao/blog/523401)
(Undated)

## English

* [Log4j2 Tutorial 8 – XML Configuration For Default Rollover Strategy With SizeBasedTriggeringPolicy](http://makeseleniumeasy.com/2021/05/01/log4j2-tutorial-8-xml-configuration-for-default-rollover-strategy-with-sizebasedtriggeringpolicy/)
(May 1, 2021)
* [Log4J2 | Create custom log levels and how to use them](https://medium.com/codex/log4j2-create-custom-log-levels-and-how-to-use-them-48685e133fd1)
(April 29, 2021)  
* [Log4j2 Tutorial 7 – Working Mechanism Of Default Rollover Strategy](http://makeseleniumeasy.com/2021/04/26/log4j2-tutorial-7-working-mechanism-of-default-rollover-strategy/)
(April 26, 2021)
* [Log4j2 Tutorial 6 – Introduction To RollingFileAppender And Its Triggers And Strategies](http://makeseleniumeasy.com/2021/04/20/log4j2-tutorial-6-introduction-to-rollingfileappender-and-its-triggers-and-strategies/)
(April 20, 2021)
* [Log4j2 Tutorial 5 – XML Configuration File To Log Into File And Console Using Log4j2 Together](http://makeseleniumeasy.com/2021/04/13/log4j2-tutorial-5-xml-configuration-file-to-log-into-file-and-console-using-log4j2-together/)
(April, 13, 2021)  
* [Log4j2 Tutorial 4 – Print Logs In External File Using XML Configuration File Of Log4J2](http://makeseleniumeasy.com/2021/04/09/log4j2-tutorial-4-print-logs-in-external-file-using-xml-configuration-file-of-log4j2/)
  (April 9, 2021)
* [Log4j2 Tutorial 3 – Setup Console Appender Using XML Configuration File](http://makeseleniumeasy.com/2021/03/24/log4j2-tutorial-3-setup-console-appender-using-xml-configuration-file/)
  (March 24, 2021)
* [Log4j2 Tutorial 2 – Creating Log4j2 Maven Project With Default Configuration File](http://makeseleniumeasy.com/2021/03/17/log4j2-tutorial-2-creating-log4j2-maven-project-with-default-configuration-file/)
  (March 17, 2021)
* [Log4j2 Tutorial 1 – Introduction To Apache Log4j2](http://makeseleniumeasy.com/2021/03/11/log4j2-tutorial-1-introduction-to-apache-log4j2/)
  (March 11, 2021)  
* [How to make a custom message converter for Log4J2](https://petrepopescu.tech/2021/03/how-to-make-a-custom-message-converter-for-log4j2/)
(March 4, 2021)  
* [How to configure Log4j2 in your WildFly applications](http://www.mastertheboss.com/jboss-server/jboss-log/how-to-use-log4j2-in-your-wildfly-applications)
(August 16, 2020)
* [Configuring Log4j2 in a Spring Boot 2 application](http://www.masterspringboot.com/configuration/logging/configuring-log4j2-in-spring-boot-applications)
(August 16, 2020)
* [Getting the most out of the Log4j 2 API](https://www.ralphgoers.com/post/getting-the-most-out-of-the-log4j-2-api)
(January 1, 2020)
* [Programmatic Configuration with Log4j 2](https://www.baeldung.com/log4j2-programmatic-config)
(December 31, 2019)
* [Log4j 1 Compatibility in Log4j 2](https://www.ralphgoers.com/post/log4j-1-compatibility-in-log4j-2)
(December 22, 2019)
* [Why was Log4j 2 created](https://www.ralphgoers.com/post/why-was-log4j-2-created)
(December 14, 2019)
* [A Guide to Logging in Java](https://www.marcobehler.com/guides/a-guide-to-logging-in-java)
(June 23, 2019)
* [Exploring the Secrets of Java Logs: Log4j 2 Log System](https://www.alibabacloud.com/blog/exploring-the-secrets-of-java-logs-log4j-2-log-system_594821)
(May 17, 2019)
* [Apache Log4j 2 Tutorials](https://www.mkyong.com/logging/apache-log4j-2-tutorials/)
(March 27, 2019)
* [Java Logging Frameworks: log4j vs logback vs log4j2](https://stackify.com/compare-java-logging-frameworks/)
(October 30, 2018)
* [Log4j2 Tutorial](https://howtodoinjava.com/log4j2/)
(June 3, 2018)
* [In Java How to Create your own Logging Level using Log4j (Configuring Log4j 2)](https://crunchify.com/java-how-to-create-your-own-logging-level-in-log4j-configuring-log4j/)
{May 30, 2018)
* [Programmatic Configuration with Log4j 2](http://www.baeldung.com/log4j2-programmatic-config)
(May 22, 2018)
* [Tales from the Field: Migrating from Log4J to Log4J2](https://www.javacodegeeks.com/2018/03/tales-from-the-field-migrating-from-log4j-to-log4j2.html)
(March 12, 2018)
* [Log4J2 and Java configuration with properties file](https://www.youtube.com/watch?v=sdOiA1Xql0o)
(February 18, 2018)
* [Apache Log4j 2 Configuration| Log4j2 with JDK 9.0](https://www.youtube.com/watch?v=BbcSNOtEGWs)
(January 8, 2018)
* [Spring Boot - log4j 2 configuration example](https://www.youtube.com/watch?v=KKO5wGi_vEc)
(December 30,2017)
* [Log4j 2 Best Practices example](https://examples.javacodegeeks.com/enterprise-java/log4j/log4j-2-best-practices-example/)
(November 14, 2017)
* [Logging Fundamentals](http://musigma.org/logging/2017/11/06/logging.html)
(November 6, 2017)
* [Allocation free logging with Log4j2](http://www.rationaljava.com/2017/10/allocation-free-logging-with-log4j2.html)
(October 27, 2017)
* [Benchmarking Java logging frameworks](https://www.loggly.com/blog/benchmarking-java-logging-frameworks/)
(October 25, 2017)
* [Log4j 2 and Lambda Expressions](http://www.baeldung.com/log4j-2-lazy-logging)
(August 22, 2017)
* [How to use Log4j 2 with Spring Boot](https://www.callicoder.com/spring-boot-log4j-2-example/)
(August 11, 2017)
* [Log4j 2 - RollingFileAppender example](https://www.boraji.com/log4j-2-rollingfileappender-example)
(July 26, 2017)
* [How Log4J2 Works: 10 Ways to Get the Most Out Of It](https://stackify.com/log4j2-java/)
(June 14, 2017)
* [Intro to Log4j2 – Appenders, Layouts and Filters](http://www.baeldung.com/log4j2-appenders-layouts-filters)
(February 28, 2017)
* [Getting Your Own Log4j2 File for Mule via Spring](https://dzone.com/articles/getting-own-log4j2-file-for-mule-via-spring)
(December 29, 2016)
* [Understanding and working with Log4j2 for logging in Selenium framework (Part B)](https://www.youtube.com/watch?v=-XNvCNHjIKw)
(December 20, 2016)
* [Understanding and working with Log4j2 for logging in Selenium framework (Part A)](https://www.youtube.com/watch?v=RWZ0gsfkkc4)
(December 18, 2016)
* [Loading a Log4j Configuration for a specific EJB](https://garygregory.wordpress.com/2016/11/27/loading-a-log4j-configuration-for-a-specific-ejb/)
(November 27, 2016)
* [Log4j2 Logging: A Primer](https://medium.com/@anishekagarwal/log4j2-logging-a-primer-f10ed18e9de6#.ojlde7jib)
(October 15, 2016)
* [Log4j2 Example Tutorial – Configuration, Levels, Appenders](http://www.journaldev.com/7128/log4j2-example-tutorial-configuration-levels-appenders)
(July 6, 2016)
* [Log4j2 HTMLLayout Configuration Example](http://howtodoinjava.com/log4j2/log4j2-htmllayout-configuration-example/)
(June 27, 2016)
* [Log4j2 java.util.logging (JUL) Adapter Example](http://javaevangelist.blogspot.jp/2016/06/log4j2-javautillogging-jul-adapter.html)
(June 24, 2016)
* [Matt Sicker - Asynchronous Logging in Log4j 2.6 (CJUG Lightning Talk)](https://vimeo.com/169542136)
(June 2, 2016)
  * Errata: "ThresholdFilter" should be "BurstFilter"
* [Log4J 2 Configuration: Using the Properties File](https://dzone.com/articles/log4j-2-configuration-using-properties-file)
(May 18, 2016)
* [Using Log4j 2 with Sprint Boot](https://springframework.guru/using-log4j-2-spring-boot/)
(April 7, 2016)
* [Log4j 2.6 Goes Garbage-Free](https://www.infoq.com/news/2016/05/log4j-garbage-free)
(May 30, 2016)
* [What's New in Log4j 2.6](http://musigma.org/java/log4j/2016/05/29/log4j-2.6.html)
(May 29, 2016)
* [Asynchronous Logging With Log4j 2](https://springframework.guru/asynchronous-logging-with-log4j-2/)
(March 31, 2016)
* [Log4J 2 Configuration: Using YAML](https://springframework.guru/log4j-2-configuration-using-yaml/)
(March 26, 2016)
* [Log4J 2 Configuration: Using JSON](https://springframework.guru/log4j-2-configuration-using-json/)
(March 23, 2016)
* [Getting Logstash 2.x Ready for Log4j2](https://qbox.io/blog/getting-logstash-2x-ready-for-log4j2)
(March 10, 2016)
* [Log4J 2 Configuration: Using XML](https://springframework.guru/log4j-2-configuration-using-xml/)
(March 10, 2016)
* [Log4J 2 Configuration: Using Properties File](https://springframework.guru/log4j-2-configuration-using-properties-file/)
(March 8, 2016)
* [Introducing Log4j 2 – Enterprise Class Logging](https://springframework.guru/introducing-log4j-enterprise-class-logging/)
(February 8, 2016)
* [Better Performing Non-Logging Logger Calls in Log4j2](https://www.javacodegeeks.com/2015/10/better-performing-non-logging-logger-calls-in-log4j2.html)
(October 20, 2015)
* [Better Performing Non-Logging Logger Calls in Log4j2](http://marxsoftware.blogspot.com/2015/10/log4j2-non-logging-performance.html)
(October 15, 2015)
* [Nancy M Schorr - Log4j2 with Java and Maven for Logging](https://www.youtube.com/watch?v=Yv0n-4AsOiI)
(October 14, 2015)
* [Easy and Consistent Log4j2 Logger Naming](https://www.javacodegeeks.com/2015/10/easy-and-consistent-log4j2-logger-naming.html)
(October 10, 2015)
* [Writing clean logging code using Java 8 lambdas](https://garygregory.wordpress.com/2015/09/16/a-gentle-introduction-to-the-log4j-api-and-lambda-basics/)
(September 16, 2015)
* [The Art of Test Driven Development: Understanding Logging](https://garygregory.wordpress.com/2015/09/10/the-art-of-test-driven-development-understanding-logging/)
(September 10, 2015)
* [The Art of Test Driven Development: Per-Test Logging](https://garygregory.wordpress.com/2015/09/08/the-art-of-test-driven-development-per-test-logging/)
(September 8, 2015)
* [The Transition to a New Log4j: a Q&amp;A with Log4j's Project Management Committee](http://www.infoq.com/news/2015/09/interview-log4j-pmc)
(September 8, 2015)
* [Log4j Version 1 Reaches End of Life](http://www.infoq.com/news/2015/08/log4j-version-1-reaches-eol)
(August 26, 2015)
* [Apache Logging Services Project Announces Log4j 1 End-Of-Life; Recommends Upgrade to Log4j 2](https://blogs.apache.org/foundation/entry/apache_logging_services_project_announces)
(August 6, 2015)
* [Per request debugging with Log4j 2 filters](https://www.innoq.com/en/blog/per-request-debugging-with-log4j2/)
(May 8, 2015)
* [Log4j 2 configuration depending on environment](https://blog.oio.de/2015/04/27/log4j-2-configuration-depending-environment/)
(April 27, 2015)
* [Ramesh Rajaram - Log4j Key Features](https://www.youtube.com/watch?v=EWftNoRhS_M)
(April 10, 2015)
* [Apache Log4j 2 Tutorial – Configuration, Levels, Appenders, Lookup, Layouts and Filters Example](http://www.journaldev.com/7128/apache-log4j-2-tutorial-configuration-levels-appenders-lookup-layouts-and-filters-example)
(March 16, 2015)
* [Disrupting your Asynchronous Loggers](http://blogs.mulesoft.com/dev/mule-dev/mule-3-6-asynchronous-logging/)
(March 5, 2015)
* [Extending Log4j2 - Creating Custom Log4j2 Plugins](http://andrew-flower.com/blog/Create_Custom_Log4j_Plugins)
(February 20, 2015)
* [Log4j2 - a crash course...](http://andrew-flower.com/blog/Basic_Log4j2_Configuration)
(February 10, 2015)
* [Log4j2 with log4j2.xml Configuration Example](http://memorynotfound.com/log4j2-with-log4j2-xml-configuration-example/)
(February 10, 2015)
* [Logging From Your Java Application Using Log4j2](https://blog.logentries.com/2015/02/logging-from-your-java-application-using-log4j2/?utm_content=11878557&amp;utm_medium=social&amp;utm_source=facebook)
(February 5, 2015)
* [Asynchronous Logging in Mule 3.6](http://blogs.mulesoft.com/dev/mule-dev/mule-3-6-asynchronous-logging/)
(January 20, 2015)
* [Apache Log4j 2.0 - Worth the Upgrade?](http://www.infoq.com/news/2014/07/apache-log4j2)
(July 31, 2014)
* [log4j2 xml configuration example](http://mycuteblog.com/log4j2-xml-configuration-example/)
(July 26, 2014)
* [Log4j 2 in Production – Making it Fly](http://tech.finn.no/2014/07/01/log4j2-in-production-making-it-fly/)
(July 2, 2014)
* [Matt Sicker - Introducing Log4j 2.0](https://www.youtube.com/watch?v=ZzVSs_JEhgs)
(May 6, 2014)
* [Nicholas Williams - Log4j 2 in Web Applications: A Deeper Look at Effective Java EE Logging](https://www.youtube.com/watch?v=HB0r5DuxGPI)
(May 6, 2014)
* [Log4j 2: Performance Close to Insane](http://www.grobmeier.de/log4j-2-performance-close-to-insane-20072013.html)
(July 20, 2013)
* [Hacker News: Asynchronous Loggers for Low-Latency Logging](https://news.ycombinator.com/item?id=5612035)
(April 26, 2013)
* [The New Log4j 2.0](http://www.grobmeier.de/the-new-log4j-2-0-05122012.html)
(December 5, 2012)

## German

* [Apache Log4j 2.6 läuft nun auch ohne Müll](https://jaxenter.de/apache-log4j-2-6-laeuft-nun-auch-ohne-muell-41098)
(May 31, 2016)
* [Logging konsolidieren und Performance gewinnen](https://www.innoq.com/en/articles/2015/01/logging-konsolidieren-log4j2/)
(January 23, 2015)

## Japanese

* [中年プログラマーの息抜き](http://tm-b.hatenablog.com/entry/2016/08/18/200715)
(August 18, 2016)
* [【log4j2】ThreadContextを利用してすべてのログに追加情報を出力する](http://minor.hatenablog.com/entry/2016/05/22/193556)
(May 22, 2016)
* [Log4j 2でログ出力をテストするサンプルソース](http://qiita.com/kazurof/items/abbd42f11bfc125f3190)
(February 22, 2016)
* [新Log4jへの移行: Log4jプロジェクト管理グループとのQ&amp;A](https://www.infoq.com/jp/news/2015/09/interview-log4j-pmc)
(September 27, 2015)
* [Log4jバージョン1のサポートが終了](https://www.infoq.com/jp/news/2015/09/log4j-version-1-reaches-eol)
(September 23, 2015)
* [log4j2の設定ファイル(XML)](http://qiita.com/pica/items/f801c74848f748f76b58)
(July 27, 2015)
* [Apache log4j2によるロギング機能の基本サンプル](http://japanengineers.seesaa.net/article/412195201.html)
(January 12, 2015)
* [Log4j2の使い方めも](http://yamashiro0110.hatenadiary.jp/entry/2014/08/24/093336)
(August 24, 2014)
* [Apache Log4j 2.0 - アップグレードする価値はあるか？](https://www.infoq.com/jp/news/2014/08/apache-log4j2)
(August 17, 2014)
* [Log4j2を試してみる](http://d.hatena.ne.jp/Kazuhira/20140628/1403959552)
(June 28, 2014)
* [log4j2にログを集める](http://nabedge.blogspot.jp/2013/10/log4j2.html)
(October 26, 2013)

## Korean

* [Log4j 2 설정하기](http://dveamer.github.io/java/Log4j2.html)
(January 24, 2016)
* [Log4j 2 환경설정 [설정 파일 사용 시]](http://www.egovframe.go.kr/wiki/doku.php?id=egovframework:rte3:fdl:%EC%84%A4%EC%A0%95_%ED%8C%8C%EC%9D%BC%EC%9D%84_%EC%82%AC%EC%9A%A9%ED%95%98%EB%8A%94_%EB%B0%A9%EB%B2%95)
(May 14, 2014)
