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Core
Core :::: 2 :gutter: 3 3 3 3 ::: Core Modules Liferay Shielded Container API Service Tracker Collections ::: ::: Petra Concurrent Executor Function IO Lang Memory NIO Process Reflect SQL DSL...
Definitions
Definitions Definitions
Jakarta 2025 FAQ
Jakarta 2025 FAQ Liferay DXP is evolving! To continue providing you with the most advanced and secure platform, Liferay is transitioning its underlying enterprise platform from Java EE 8 to Jakarta...
Utility Classes
Utility Classes Util-Bridges Util-Java Util-slf4j Util-Taglib
Properties Documentation
Properties Documentation Portal Properties System Properties Liferay Plugin Package Properties 7.4 Liferay Plugin Package Properties 7.3 Liferay Plugin Package Properties 7.2 Liferay Plugin...
Javadocs
Javadocs Portal-Impl Portal-Kernel Portal-Test Core Apps
Legacy Documentation
Legacy Documentation Using Liferay DXP 7.2 Developing Liferay DXP 7.2 Using Liferay DXP 7.1 Developing Liferay DXP 7.1 Using Liferay DXP 7.0 Developing Liferay DXP 7.0 Using Liferay...
Course Style
Course Style This article covers rules that apply only to course content: the elements that distinguish a course from a feature article, the course and module structure, naming conventions, lesson...
Training Material
Training Material These materials supplement some recorded and in-person trainings by providing you with opportunities to practice key skills, test your understanding, and gain confidence in...
Building Enterprise Websites with Liferay Exercises
Building Enterprise Websites with Liferay Exercises These exercises supplement the Building Enterprise Websites with Liferay video training and provide an opportunity to solidify your learning....
Portlet API
Portlet API Portlet API
Liferay Style Guide
Liferay Style Guide This is the style guide for the content Liferay publishes — both the product documentation and the courses. It sits on the shoulders of giants: The Chicago Manual of Style and...
Liferay University
Liferay University This page serves as an archive and index of videos that were previously hosted on Liferay University. As of February 28, 2023 Liferay University is no longer operational....
Documentation Style
Documentation Style This article covers rules that apply only to product documentation: the six documentation types and their templates, how to handle multiple Liferay versions, the badges that...
Formatting
Formatting This article covers the formatting choices that apply to both product documentation and courses: text emphasis, code, lists, tables, headings, images, admonitions, file naming, front...
Client Extensions
Official Documentation
Client Extensions Liferay Self-Hosted Liferay SaaS Liferay PaaS Liferay 7.4 When you want to extend Liferay, either by modifying its look and feel or by calling functions outside of Liferay, you...
Liferay Enterprise Search
Liferay Enterprise Search These Liferay Enterprise Search articles are archived from the Liferay Customer Portal knowledge base at support.liferay.com. They appear as originally published and...
Customer Portal Legacy Articles
Customer Portal Legacy Articles This section collects articles archived from the Liferay Customer Portal knowledge base at support.liferay.com. They appear as originally published and aren't...
Easily customize Liferay's search behavior with Blueprints
Easily customize Liferay's search behavior with Blueprints Originally shared on July 5, 2022. Last updated on October 21, 2024. The Search Experiences application is now available for DXP 7.3*;...
Elasticsearch 7.17 End of Life (EOL) Timeline and Liferay DXP Elasticsearch Compatibility Update & FAQ
Elasticsearch 7.17 End of Life (EOL) Timeline and Liferay DXP Elasticsearch Compatibility Update & FAQ Published in March, 2025 | Last Updated: Nov 4, 2025 - This article is relevant to anyone...
LES Elasticsearch Virtual Machine Considerations
LES Elasticsearch Virtual Machine Considerations Introduction Elasticsearch* instances running in VM infrastructures can present unique challenges. This article describes some common issues we may...
LES About Elasticsearch License expiration
LES About Elasticsearch License expiration How can I check my current Elasticsearch license status? Is there any notification that the license expiration is approaching? When will Liferay...
LES How to use a load balancer with Elasticsearch?
LES How to use a load balancer with Elasticsearch? Environment Liferay DXP 7.0-7.2 Elasticsearch 6.x. 7.x Question Are there any guidelines for using Elasticsearch* with a load balancer like...
LES Getting Started with Liferay Enterprise Search
LES Getting Started with Liferay Enterprise Search This content is available to customers with active Liferay Enterprise Search (LES) subscriptions To activate your Enterprise Search product,...
LES: How to install and run the Elastic Support Diagnostics Troubleshooting Utility
LES: How to install and run the Elastic Support Diagnostics Troubleshooting Utility This articles explains how to acquire and run the support diagnostics utility for your Elasticsearch cluster. ...
LES What is the recommended Java heap size for Elasticsearch?
LES What is the recommended Java heap size for Elasticsearch? Question What is the recommended Java heap size for Elasticsearch? Answer It depends on what you will be doing. If you use faceting,...
LES Which node types are charged as part of the Liferay Enterprise Search Subscription
LES Which node types are charged as part of the Liferay Enterprise Search Subscription This article explains the Elasticsearch node types that are charged as part of the Liferay Enterprise Search...
Liferay Enterprise Search Experiences (Blueprints) 1.1.0 for DXP 7.3 Release Highlights & Upgrade Instructions
Liferay Enterprise Search Experiences (Blueprints) 1.1.0 for DXP 7.3 Release Highlights & Upgrade Instructions If you aren’t familiar with Search Experiences, visit our knowledge base article for...
LES Installing the Learning-to-Rank plugin on Elasticsearch fails with IllegalStateException: ltr requires Java 14
LES Installing the Learning-to-Rank plugin on Elasticsearch fails with IllegalStateException: ltr requires Java 14 Environment Liferay DXP 7.2+ Elasticsearch 7.14+ with Java version below 14 ...

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