Add support to enable debugging for specific caches

• Type: Story
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: 7.0.0 DXP FP28, 7.0.X EE, 7.0.4 CE GA5, Master
• Component/s: Performance > Caching Infrastructure
• Labels:
  • liferay-digital-enterprise-70-sp5
  • liferay-fixpack-de-28-7010
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/50838

Usage:

Enable debugging for all caches

1. Add empty file com.liferay.portal.cache.ehcache-log4j-ext.xml to liferay-bundle/osgi/log4j
2. In com.liferay.portal.cache.ehcache-log4j-ext.xml, add:

   <?xml version="1.0"?>
   <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
   
   <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
   <category name="com.liferay.portal.cache.ehcache.internal.event.PortalCacheCacheEventListener">
   <priority value="DEBUG" />
   </category>
   </log4j:configuration>

   Start portal and debugging for all caches are enabled

Enable debugging for specific caches

1. Add empty file com.liferay.portal.cache.ehcache-log4j-ext.xml to liferay-bundle/osgi/log4j
2. In com.liferay.portal.cache.ehcache-log4j-ext.xml, add:

   <?xml version="1.0"?>
   <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
   
   <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
   <category name="com.liferay.portal.cache.ehcache.internal.event.PortalCacheCacheEventListener.test.cache">
   <priority value="DEBUG" />
   </category>
   </log4j:configuration>

   Start portal and debugging for "test.cache" is enabled