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Migrating the Database
Official Documentation
Migrating the Database For support, maintenance, or performance reasons, you may decide to migrate from the database you use to one of the other databases Liferay supports. Liferay DXP provides a...
Post-Upgrade Considerations
Official Documentation
Post-Upgrade Considerations After upgrading the database, you should configure Liferay for production again and check up on feature changes that might affect your Liferay instance. Re-enable...
Migrating Your Database to PostgreSQL
Official Documentation
Migrating Your Database to PostgreSQL Liferay DXP 2026.Q3+ Migrating a Liferay DXP database to PostgreSQL has two phases. First, export the database schema to SQL files from either Server...
Preparing for an Upgrade
Official Documentation
Preparing for an Upgrade Preparation and planning may be of little consequence for small, casual installations but is mandatory for large enterprise-level installations. There are specific...
Data Cleanup
Data Cleanup Liferay executes data cleanup processes to repair databases with obsolete data. This lightens the load during an upgrade, improving performance and reducing overhead. As of Liferay...
Database Pruning for Faster Upgrades
Database Pruning for Faster Upgrades The more data you have the longer your data upgrade takes. Unneeded site data is a common occurrence. Pruning the database of unneeded data improves upgrade...
Upgrade Log Context
Upgrade Log Context Liferay DXP 7.4 U72 / Liferay Portal 7.4 GA72 Enable the upgrade log context to display identifiers for upgrade related processes in your console logs. The possible identifiers...
7.2 Breaking Changes
Official Documentation
7.2 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
Maintenance Mode and Deprecations in Liferay DXP 2026.Q3
Official Documentation
Maintenance Mode and Deprecations in Liferay DXP 2026.Q3 Features moved to maintenance mode or marked as deprecated in Liferay DXP 2026.Q3 appear here. For details about these statuses and their...
2026.Q3 Default Setting and Feature Flag Changes
Official Documentation
2026.Q3 Default Setting and Feature Flag Changes Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, review the changes and...
7.2 Deprecations and Breaking Changes
7.2 Deprecations and Breaking Changes
Maintenance Mode and Deprecations in Liferay DXP 2026.Q2
Official Documentation
Maintenance Mode and Deprecations in Liferay DXP 2026.Q2 Features moved to maintenance mode or marked as deprecated in Liferay DXP 2026.Q2 appear here. For details about these statuses and their...
2026.Q2 Default Setting and Feature Flag Changes
Official Documentation
2026.Q2 Default Setting and Feature Flag Changes Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, review the changes and...
Default Setting Changes in 7.2
Default Setting Changes in 7.2 Most new versions of Liferay include changes to the default settings. If you rely on the defaults from your old version, you should review the changes and decide to...
Maintenance Mode and Deprecations in 7.2
Maintenance Mode and Deprecations in 7.2 With each new DXP release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a feature puts it in...
7.3 Breaking Changes
Official Documentation
7.3 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
7.3 Deprecations and Breaking Changes
7.3 Deprecations and Breaking Changes
Example: Removing Intermediate Journal Article Versions
Example: Removing Intermediate Journal Article Versions These instructions and code samples demonstrate removing intermediate Journal Article versions. In the script console, you can remove...
Database Tuning for Upgrades
Database Tuning for Upgrades Performing an upgrade impacts the database differently from daily running in production. Because of this, you should tune your database for the upgrade process before...
Troubleshooting Upgrades
Official Documentation
Troubleshooting Upgrades Liferay has many out-of-the-box tools and features to identify and solve issues that may arise when performing an upgrade. To troubleshoot, you can upgrade modules...
Common Upgrade Issues
Common Upgrade Issues Skipping an upgrade step or creating custom references to the Liferay database, can cause upgrade issues. The following questions and answers address some common situations. ...
Monitoring Upgrades with MBeans
Monitoring Upgrades with MBeans Liferay DXP 7.4 U76 / Liferay Portal 7.4 GA76 When upgrade upon startup is enabled, the upgrade process can be monitored with MBeans through a JVM management tool...
Upgrading Modules Using Gogo Shell
Upgrading Modules Using Gogo Shell To troubleshoot upgrade issues with particular modules, it may be necessary to test and perform upgrades on a per-module basis, instead of en-masse. Liferay has...
Updating Customizations
Official Documentation
Updating Customizations Plugins (e.g., themes, apps, and customizations) you've developed must be adapted to the new Liferay version. This can be as simple as updating dependencies or updating code...
Updating the File Store
Updating the File Store File store options and configuration values changed in Liferay DXP 7.0. If you're on 7.0 or earlier and are affected by these changes, you must update your file store before...
Upgrading the Database
Official Documentation
Upgrading the Database Liferay's tools and instructions facilitate upgrading DXP and Portal environments safely and quickly. Non-clustered environments that have small data sets, can be upgraded...
Upgrade Stall Detection
Upgrade Stall Detection Liferay DXP 2026.Q3+ During a database upgrade, Liferay DXP checks the database every 60 seconds and logs queries that appear stalled. You can use these messages to tell...
Upgrade Report
Upgrade Report Available 7.4+ When you perform upgrades, it is important to know the changes made and any issues that occurred. The upgrade status returns combined results for core upgrades,...
Migrating Configurations and Properties
Migrating Configurations and Properties Your current DXP installation's OSGi configurations (7.0+) and properties (such as portal properties and system properties) set up your DXP instance to fit...
Upgrading Clustered and Sharded Environments
Upgrading Clustered and Sharded Environments If you're upgrading a clustered installation, you must follow an upgrade approach that fits your cluster requirements. See Maintaining Clustered...
Using the Database Upgrade Tool
Using the Database Upgrade Tool The Liferay Database Upgrade Tool is a client program for upgrading Liferay DXP and Liferay Portal databases offline. Always back up your data and installation...
Upgrading via Auto Upgrade
Upgrading via Auto Upgrade You can upgrade your database automatically by enabling auto upgrade via the portal property before starting up your instance. Always back up your database and existing...
Upgrading a Sharded Environment
Upgrading a Sharded Environment Since Liferay DXP 7.0, Liferay removed its own physical partitioning implementation (also known as sharding) in favor of the capabilities provided natively by...
Upgrading via Docker
Upgrading via Docker Running a Liferay Docker image with auto-upgrade enabled uses the Database Upgrade Tool to upgrade your database transparently on Liferay startup. After the upgrade completes,...
Building Liferay Docker Images
Official Documentation
Building Liferay Docker Images Liferay is open-source and fully customizable. You can create your own Liferay Docker images using Dockerfiles to suit the needs of your installation. For example,...
Using Liferay Docker Images
Official Documentation
Using Liferay Docker Images Docker Hub hosts Liferay DXP and Liferay Portal Docker images, bundled with Tomcat on Linux. The Liferay Docker Hub pages provide image details and tags for the...
Docker Packages
Official Documentation
Docker Packages These are the packages Liferay installs in the Ubuntu OS to support a full Liferay DXP environment. This list includes neither the JDK nor the dependencies the packages require. ...
Maintenance and Troubleshooting in Docker
Official Documentation
Maintenance and Troubleshooting in Docker The Liferay Docker container has tools for maintenance and troubleshooting out-of-the-box. You can set various environment variables to modify settings...
Configuring Containers
Official Documentation
Configuring Containers Everything that is configurable in a Liferay installation is configurable in a Liferay Docker container. Here are the most common things to configure: JVM Options Portal...
Container Lifecycle and API
Official Documentation
Container Lifecycle and API At a high level, the container starts Tomcat with Liferay deployed on it. Additionally, however, the container entry point provides an API for executing these use cases:...

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