How to override Liferay logs configuration

Issue

• How to override Liferay logs default configuration.

Environment

• Liferay DXP 7.4

Resolution

• Liferay logs default configuration is defined in WEB-INF/shielded-container-lib/portal-impl.jar inside the file portal-log4j.xml. The fastest way to override it is:

1. Extract portal-log4j.xml from portal-impl.jar
2. Copy the extracted file to WEB-INF/classes/META-INF
3. Rename the file from portal-log4j.xml to portal-log4-ext.xml
4. Apply the desired configuration.