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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...
Organizing the Source
Organizing the Source It is important to have a solid understanding of how the Liferay source is organized when working on fixing a bug or adding a new feature to the product. The Liferay Source...
Contributing to Liferay Development
Official Documentation
Contributing to Liferay Development The first thing to do in learning to fix bugs or contributing a feature is to become familiar with how to build the system. The Liferay Portal build system now...
DXP
DXP :::: 2 :gutter: 3 3 3 3 ::: Definitions :link: ./dxp/definitions/index.html ::: ::: Javadocs :link: ./dxp/javadocs.md Portal Impl Portal Kernel Portal-Test Core Apps ::: ::: Utility Classes...
Definitions
Definitions Definitions
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...
Reference
Reference Note: These pages contain the latest Liferay reference documentation. You can download reference documentation for older releases from Github here. :::: 2 :gutter: 3 3 3 3 ::: DXP...
Building Liferay Source
Building Liferay Source This section aims to provide instructions for building Liferay Portal from source as quickly as possible. Using a nightly snapshot bundle no longer requires a full build...
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...
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...
Javadocs
Javadocs Portal-Impl Portal-Kernel Portal-Test Core Apps
Utility Classes
Utility Classes Util-Bridges Util-Java Util-slf4j Util-Taglib
Handling Friendly URL Conflicts in Site Templates
Official Documentation
Handling Friendly URL Conflicts in Site Templates Currently, this feature is behind a beta feature flag (LPS-174417). Read Beta Feature Flags for more information. Liferay doesn't allow...
Apps
Apps com.liferay.account.api com.liferay.adaptive.media.api com.liferay.adaptive.media.content.transformer.api com.liferay.adaptive.media.demo.data.creator.api ...
Portlet API
Portlet API Portlet API
Liferay Style Conventions
Liferay Style Conventions Conventions are neither correct or incorrect; they are decisions that vary greatly in the industry. After much comparison and use, Liferay's documentation uses the...
Liferay High-Level Style
Liferay High-Level Style There are five types of documentation: Introduction: Placed hierarchically at the top of a section, the introduction is a high level explainer that summarizes how the...
Liferay Style Guide
Liferay Style Guide The Liferay Style Guide sits on the shoulders of giants---specifically, the giants of The Chicago Manual of Style and Strunk and White's The Elements of Style. Where this guide...
Day 1 Exercises for Building Enterprise Websites with Liferay
Introduction page for day 1 Day 1 Exercises for Building Enterprise Websites with Liferay Exercise 1: Exploring Clarity's Public Enterprise Website Exercise 2: Verifying and Launching Liferay...
Day 2 Exercises for Building Enterprise Websites with Liferay
Introduction page for day 2 Day 2 Exercises for Building Enterprise Websites with Liferay Exercise 11: Generating Content with ChatGPT Bonus Exercise: Auto-Tagging Content Exercise 12a:...
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....
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...
Liferay Documentation Format
Liferay Documentation Format The format, or how a style of documentation is organized, is important to maintaining consistency of experience. As readers make more use of the documentation, the...
Day 3 Exercises for Building Enterprise Websites with Liferay
Introduction page for day 3 Day 3 Exercises for Building Enterprise Websites with Liferay Exercise 19a: Creating an Object Definition Exercise 19b: Building the Form Exercise 19c: Creating a...
Liferay Phraseology
Liferay Phraseology Liferay's style phrases prose a certain way. Note that these are also conventions and neither correct nor incorrect; they are the way we have chosen to communicate based on our...
Translating Content in the Content Management System
Official Documentation
Translating Content in the Content Management System [Beta Feature](../../security-and-administration/administration/configuring-liferay/feature-flags.md#beta-feature-flags) Liferay DXP 2025.Q4+ ...
Liferay Headless Content Management System (BETA)
Official Documentation
Liferay Headless Content Management System (BETA) [Beta Feature](../security-and-administration/administration/configuring-liferay/feature-flags.md#beta-feature-flags) Liferay DXP 2025.Q4+ ...
Getting Started With The Content Management System
Official Documentation
Getting Started With The Content Management System [Beta Feature](../../security-and-administration/administration/configuring-liferay/feature-flags.md#beta-feature-flags) Liferay DXP 2025.Q4+ ...
データのクリーンアップ
データのクリーンアップ 7.3以降で利用可能 廃止されたLiferayアプリまたは機能の使用を終えたら、そのデータを削除できます。 コントロールパネルまたは 設定ファイル を使用して、データのクリーンアップを行うことができます。 廃止された機能からデータをクリーンアップする方法は次のとおりです。 コントロールパネル で、 ［システム設定］ →...
Error trace related to Elasticsearch index_not_found_exception during the upgrade step KaleoDefinitionVersionUpgradeProcess#_upgradeKaleoDefinitionVersion
Troubleshooting
Issue We are upgrading from 7.0 to quarterly release 2023.Q4.8 During the upgrade step KaleoDefinitionVersionUpgradeProcess#_upgradeKaleoDefinitionVersion we are encountering an error trace related to Elasticsearch....
How to Set HTTPOnly, Secure and SameSite Attribute for All Cookies
Troubleshooting
Issue In a security scan for our PaaS application, we see that some cookies do not have HTTPOnly, Secure and/or SameSite attributes. How can we apply these attributes to our PaaS NGINX instance? Environment Liferay DXP 7.4+...
How to resolve slow Liferay PaaS build times when including many React modules
Troubleshooting
Issue After adding more frontend React modules to our Liferay Workspace, we're seeing consistent PaaS build failures due to timeouts. As a workaround, builds now succeed after configuring LCP_CI_BUILD_TIMEOUT_MINUTES...
How to set SameSite cookie attribute to Strict within Tomcat
How To
Issue How can I adjust the JSESSIONID cookie's SameSite attribute from None to Strict? Environment Liferay DXP 7.1 - 7.4 Resolution The JSessionID cookie's attributes are set by your application server or web...
Subscribing to a Message Board
Official Documentation
Subscribing to a Message Board The Message Boards widget is deprecated as of Liferay DXP 2024.Q4/Portal GA129. See 2024.Q4 Maintenance Mode and Deprecations for details. Users can receive email...
個人通知の設定
Official Documentation
個人通知の設定 Liferayには通知ツールが統合されているため、プラットフォームのイベントをユーザーに確実に通知することができます。 メールやウェブサイトでの通知を有効にすることで、ユーザーが受け取る通知をカスタマイズすることができます。 こうした設定は、範囲がグローバルで、すべてのサイトに対するユーザーの個人通知を決定します。 下記手順に従って、個別の通知をカスタマイズします。 ...
掲示板スレッドの作成
Official Documentation
掲示板スレッドの作成 デフォルトでは、必要な権限（最低でも メッセージの追加 , メッセージへの返信 , ファイルの追加 , 表示）をもって認証されたユーザのみがスレッドを作成できるようになっています。 詳細は、 掲示板の権限リファレンス を参照してください。 管理者は、ゲストがスレッドを投稿できるようにする機能を有効にすることができます。 新しいスレッドを投稿する...
掲示板設定リファレンス
Official Documentation
掲示板設定リファレンス この記事では、 掲示板 アプリで使用できる設定について説明します。 掲示板 アプリの設定画面を表示するには： ［サイト管理］ → ［Content & Data］ → ［掲示板］ に移動します。 ［オプション］ メニュー → ［Configuration］ の順にクリックします。 一般タブ ［General］タブ 名称Description...
掲示板のモデレート
Official Documentation
掲示板のモデレート 掲示板 には、フォーラムを効果的にモデレートできる機能が含まれています。 これには、スレッドのロック、スレッドの移動とマージ、ユーザーの禁止、スレッドのフラグ付けが含まれます。 適切に指定された権限を持つユーザーは、これらのツールを使用できます。 掲示板 権限をロールに割り当てる詳細は、 掲示板の権限リファレンス を参照してください。 一般的なロールと権限の詳細は、...
掲示板の権限リファレンス
Official Documentation
掲示板の権限リファレンス この記事では、 ［掲示板］ ウィジェットでの権限について説明し、ユーザーおよびロールに権限を割り当てる際のリファレンスとして機能します。 DXPのロールと権限の詳細は、 Roles and Permissions をご覧ください 。 ホームカテゴリーの権限 掲示板 の権限画面は、 掲示板 の機能へのアクセスを許可および取り消すためのものです。 ホストサイトの...
Configuring a Message Boards Category Mailing List
Official Documentation
Configuring a Message Boards Category Mailing List The Message Boards widget is deprecated as of Liferay DXP 2024.Q4/Portal GA129. See 2024.Q4 Maintenance Mode and Deprecations for details. You...