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7.4 Deprecations and Breaking Changes
7.4 Deprecations and Breaking Changes
Renamed Language Keys
Renamed Language Keys In Liferay DXP/Portal 7.4, module language keys were centralized to a module called portal-language-lang. Source location: ...
Data Cleanup
Data Cleanup Before database upgrades, Liferay executes data cleanup processes to repair databases with obsolete data. This lightens the load of the upgrade tool, improving performance and reducing...
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. Though the exact steps...
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. Create a Back Up Always...
Maintenance Mode and Deprecations in 7.4
Maintenance Mode and Deprecations in 7.4 With each new Liferay DXP and Liferay Portal release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for 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...
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...
Default Setting and Feature Flag Changes in 7.4
Default Setting and Feature Flag Changes in 7.4 Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the...
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...
Installing Liferay on an Application Server
Official Documentation
Installing Liferay on an Application Server You can install Liferay DXP or Liferay Portal on any supported application server. This is typically the most practical installation type to use in...
Installing a Liferay-Tomcat Bundle
Official Documentation
Installing a Liferay-Tomcat Bundle The Tomcat Bundle includes the Apache Tomcat application server with Liferay DXP/Portal pre-deployed. It's the easiest, fastest way to install Liferay on...
Installing Earlier Liferay Versions on Application Servers
Official Documentation
Installing Earlier Liferay Versions on Application Servers As new Liferay versions are released, their dependencies and installation steps change. Liferay made a big change for DXP with the 2025.Q3...
Configuring a Database
Official Documentation
Configuring a Database By default for demonstration purposes, Liferay DXP/Portal is configured to use an embedded HSQL database. Beyond demonstration purposes, we recommend using a full-featured,...
Installing Liferay On A Local Server
Official Documentation
Installing Liferay On A Local Server Liferay runs on an application server. There are three ways to host Liferay on a local machine: Using a Docker container Using a Liferay Tomcat bundle On a...
Liferay Cloud Native Provisioning
Official Documentation
Liferay Cloud Native Provisioning Liferay's cloud native experience is a Kubernetes-based Helm chart for portable deployment of Liferay instances to any cloud with a Kubernetes engine. This...
Auto-Scaling in AWS
Official Documentation
Auto-Scaling in AWS Liferay's auto-scaling feature automatically creates and destroys replicas (nodes) in the Liferay cluster to optimize performance. You can choose the minimum and maximum number...
Installing Earlier Liferay Versions on Tomcat
Official Documentation
Installing Earlier Liferay Versions on Tomcat Liferay DXP 2025.Q2/Portal 2025.Q1 or below Using a Liferay-Tomcat bundle or Docker image is the fastest way to get started using Liferay DXP. This...
Setting Up JNDI on Tomcat
Official Documentation
Setting Up JNDI on Tomcat Liferay 7.4+ To set up JNDI resources, you must put the necessary JDBC drivers in the Tomcat lib folder (i.e. tomcat-9.0.56/lib). For example, if you use an Oracle...
Running Liferay DXP in Amazon Web Services
Official Documentation
Running Liferay DXP in Amazon Web Services There are three ways to host Liferay DXP in AWS: Installing Liferay DXP using the plain Helm chart. Installing Liferay DXP from AWS Marketplace. ...
Configuring Liferay in AWS
Official Documentation
Configuring Liferay in AWS Since Liferay installations hosted in AWS use Helm, you must configure and customize Liferay using the Helm CLI. You can write as many .yaml files as you need. To update...
Installing Earlier Liferay Versions on JBoss EAP
Official Documentation
Installing Earlier Liferay Versions on JBoss EAP Liferay DXP 2025.Q2/Portal 2025.Q1 or below Installing on JBoss EAP requires installing the DXP WAR, installing dependencies, configuring JBoss,...
Running Liferay for the First Time
Official Documentation
Running Liferay for the First Time Once you've installed Liferay DXP/Portal and configured a database for it, it is ready to run. Start the Server Run the startup script bundled with your...
Configuring Externally Managed Services
Official Documentation
Configuring Externally Managed Services Externally managed services are created, configured, and managed outside the Liferay Helm chart. Database Configuring an external database for Liferay in...
Installing on WildFly
Official Documentation
Installing on WildFly Liferay DXP 2025.Q3+/Portal 2026.Q1+ For pre-Jakarta Liferay versions, see Installing Earlier Versions on WildFly. Installing on WildFly requires installing the DXP WAR,...
Installing on JBoss EAP
Official Documentation
Installing on JBoss EAP Liferay DXP 2025.Q3+/Portal 2026.Q1+ For pre-Jakarta Liferay versions, see Installing Earlier Versions on JBoss EAP. Installing on JBoss EAP requires installing the DXP...
Running Liferay on any Kubernetes Cluster
Official Documentation
Running Liferay on any Kubernetes Cluster These instructions are purposefully generic. They install a cluster that works on any Kubernetes implementation, but additional work is needed to make that...
Viewing Metrics with Prometheus
Viewing Metrics with Prometheus The Liferay Helm chart is prepared to set up the Prometheus JMX Exporter project agent out-of-the-box. Set the JMX_AGENT_YAML environment variable to the following...
Maintaining a Liferay Installation
Official Documentation
Maintaining a Liferay Installation Starting with Liferay DXP 7.3 SP3+ and 7.4 GA1+, Liferay adopted a new release model for delivering updates and fixes. This new approach is referred to as Bundle...
Backing Up
Official Documentation
Backing Up Once you have your DXP installation running, you should implement a comprehensive backup plan that accounts for unforeseen events. Backup copies are also valuable for testing updates...
Liferay DXP 2024.Q4 Breaking Changes
Official Documentation
Liferay DXP 2024.Q4 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2024.Q4. As the...
Liferay DXP 2025.Q3 Breaking Changes
Official Documentation
Liferay DXP 2025.Q3 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2025.Q3. As the...
Maintenance Mode and Deprecations in Liferay DXP 2025.Q2
Maintenance Mode and Deprecations in Liferay DXP 2025.Q2 Features moved to Maintenance Mode or marked as Deprecated in Liferay DXP 2025.Q2 appear here. For details about these statuses and their...
Updating Liferay
Official Documentation
Updating Liferay Liferay DXP 7.3 SP3+/Portal 7.4 GA1+ Update your Liferay installation with Bundle Releases. The latest features, security releases, as well as library updates are all delivered...
JVM Configuration
Official Documentation
JVM Configuration As of Liferay DXP 2024.Q3+/Portal GA125+, Liferay DXP/Portal requires a Java JDK 17 or 21 (prior versions support JDKs 8 and 11) with specific JVM option settings. There are also...
System Properties
System Properties Liferay DXP/Portal runs in the application server's JVM. System properties can be passed directly to the JVM as arguments to java in the format -D[name1]=[value1] or can be loaded...
Clustering for High Availability
Official Documentation
Clustering for High Availability Liferay DXP can scale to serve everything from the smallest to the largest web sites. Out-of-the-box, it's configured optimally for a single server environment. If...
Database Configuration for Cluster Nodes
Official Documentation
Database Configuration for Cluster Nodes At minimum, nodes in a DXP cluster must be configured to share the same database (or database cluster) in order to function. Optimizations discussed here...
Updating Previous Versions of Liferay
Official Documentation
Updating Previous Versions of Liferay Staying current with updates gives you the best security and quality. Security Updates are releases that address the latest security issues immediately. ...
Database Templates
Database Templates Below are templates (example portal properties and Docker environment variables) for configuring various databases as a built-in data source for Liferay DXP. MariaDB Portal...