Start Updating a log java

Updating a log java

In this article, we'll focus on the two most common logging implementations used for Tomcat - the included JULI implementation, and Log4J, a popular, feature-rich implementation compatible with JCL.

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Copy these files to "$CATALINA_HOME/bin/" (replacing the existing "tomcat-juli.jar"), and your Tomcat will have full JCL support.

Now that Tomcat is ready to work with Log4J, download the logger from the project website, and place "log4jx.y.z.jar" in "$CATALINA_HOME/lib". Since you won't be using for configuration anymore, you'll have to create in "$CATALINA_HOME/lib".

Eventually, you'll want to modify this file to take advantage of the many features Log4J will make available to you, but for now you can just use the basic configuration recommended by Apache.

For more details about critical patch updates and upcoming releases, visit the In summary, it's best practice to apply each Java update soon after it's available.