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Published Jun. 30, 2025

Caches for Widget Pages and Content Pages

Written By

Daniel Couso

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Issue

  • There is not an easy way to know how many caches are, which their lifetime is, and how they can be cleared.

Environment

  • Quarterly Releases: 2023.Q3, 2023.Q4, 2023.Q1
  • Liferay DXP 7.3, 7.4

Resolution

  • Widget Pages can be cached by CacheFilter's cache.
    • This cache's lifetime is 600 seconds.
    • This cache can be cleared by executing the following Groovy script: 
      com.liferay.portal.servlet.filters.cache.CacheUtil.clearCache();
  • Content pages' fragments can be cached if those fragments are previously marked as Cacheable.
    • This cache's lifetime is 600 seconds.
    • This cache can be cleared by executing the following Groovy script. 
      def portalCache = com.liferay.portal.kernel.cache.PortalCacheHelperUtil.getPortalCache(
        com.liferay.portal.kernel.cache.PortalCacheManagerNames.MULTI_VM, com.liferay.fragment.model.FragmentEntryLink.class.getName());
      if (portalCache != null) {
          portalCache.removeAll();
      }
  • NOTE: Clearing these caches may have a temporary impact on performance until the cache is warmed up again.
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