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Uninstalling Patches
Official Documentation
Uninstalling Patches Subscribers After you install a patch, you may decide to restore your installation to a previous patch level. Here you'll learn how to Uninstall Patches Revert (uninstall)...
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...
Applying a Hotfix
Official Documentation
Applying a Hotfix Subscribers A Hotfix is a fix or collection of fixes delivered between Updates (or between Fix Packs for versions before DXP 7.3 SP3) to address a customer's confirmed critical...
Using Slim Bundles
Official Documentation
Using Slim Bundles Subscribers Liferay DXP 7.2 Fix Packs and Service Packs are also released bundled with the Tomcat application server. They are available as traditional bundles and Slim Bundles....
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. ...
Portal Developer Properties
Official Documentation
Portal Developer Properties There are Portal Properties that facilitate development. Liferay's portal-developer.properties file includes all of them. The portal-developer.properties file is enabled...
Configuring Cluster Link
Official Documentation
Configuring Cluster Link Enabling Cluster Link activates distributed caching. The cache is distributed across multiple Liferay DXP nodes running concurrently. Cluster Link uses Ehcache replication....
Setting Up Liferay
Official Documentation
Setting Up Liferay After installing Liferay, configure it to meet your needs. Here are common setup tasks. Setup Tasks Preconfigure the System Activate Liferay (Subscription Required) ...
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...
Liferay DXP 2024.Q2 Breaking Changes
Official Documentation
Liferay DXP 2024.Q2 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2024.Q2. As the...
Example: Creating a Simple DXP Cluster
Official Documentation
Example: Creating a Simple DXP Cluster A fast, easy way to learn DXP clustering is to set up a two node DXP cluster environment on one machine using Docker containers. This example creates two DXP...
2024 Deprecations and Breaking Changes
2024 Deprecations and Breaking Changes Liferay quarterly releases introduce new features and enhancements while phasing out older or less-used functionality. Some features move to Maintenance Mode,...
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...
Initial Instance Localization
Official Documentation
Initial Instance Localization Liferay DXP supports localization by language, time zone, and more. The English (US) language translation and GMT time zone are the defaults, but DXP has over 40...
Using a CDN
Official Documentation
Using a CDN A Content Delivery Network (CDN) is a distributed infrastructure for caching static, file-based content. When visitors hit your site, your static content is loaded from the server...
Session Replication with Tomcat
Official Documentation
Session Replication with Tomcat Liferay DXP 2024.Q3+/Portal GA92+ To ensure user session data is synchronized across all instances in the cluster, Liferay supports session replication. If one...
Configuring Microsoft Office 365 with OAuth
Official Documentation
Configuring Microsoft Office 365 with OAuth Liferay DXP 7.4 U79+/Liferay Portal 7.4 GA79+ Connect your Microsoft email service to Liferay with the use of OAuth 2.0 authorization. Note, Microsoft...
Tuning Liferay
Official Documentation
Tuning Liferay There are several ways to tune Liferay's performance. This involves configuring the Java Virtual Machine and frameworks that support the Liferay application, monitoring performance...
Liferay DXP 2024.Q3 Breaking Changes
Official Documentation
Liferay DXP 2024.Q3 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2024.Q3. As the...
Maintenance Mode and Deprecations in Liferay DXP 2024.Q3
Maintenance Mode and Deprecations in Liferay DXP 2024.Q3 Features moved to Maintenance Mode or marked as Deprecated in Liferay DXP 2024.Q3 appear here. For details about these statuses and their...
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...
7.4 Breaking Changes
Official Documentation
7.4 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay 7.4, starting with the latest quarterly...
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...
Maintenance Mode and Deprecations in 7.3
Maintenance Mode and Deprecations in 7.3 With each new DXP release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a feature puts it in...
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...
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...
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...
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...
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. ...
Exported Page Template SAVES Custom Fragment Configurations / Imported Page Template IGNORES Custom Fragment Configurations
legacy Troubleshooting
Issue Steps to Reproduce: Create a custom fragment with any type of configuration. (I've tested with "dataType": "int" and "type": "text"). Alternatively you can import the attached zip that includes a custom fragment....
Requires 3.0 opt-in when customizing Control Panel
legacy Troubleshooting
Issue When deploying a module that customizes Control Panel, the changes don't take effect and I get: java.lang.UnsupportedOperationException: Requires 3.0 opt-in. Environment Liferay DXP 7.2 Resolution The...
Performance of the JSLoaderModulesServlet
legacy Troubleshooting
Issue Steps to Reproduce: Start a server With a navigator, open the dev-tools and look at the network tab, and load the home. Refresh the home. Actual Results: js_loader_modules file is never cached. Size: X KB...
User is required to change their password when they first log in
legacy How To
Issue  User is required to change their password when they first log in Environment DXP 7.2+ Resolution Add the below properties in portal-ext. properties files: users.reminder.queries.custom.question.enabled=false...
Internal Server Error thrown due to orphan portlet
legacy Troubleshooting
Issue Steps to Reproduce 1) Create a theme with an embedded DM portlet (portletId = 20) in Liferay 6.2. 2) Deploy this theme. 3) Visit the page configured with that theme and check that the embedded DM portlet is...
Web Content Search shows all versions
legacy Troubleshooting
Issue Steps to reproduce: Create a web content Edit it a few times Search for it in the Web content search field Current behaviour: Every version of the web content is shown in the results Expected behaviour: Only the...
How to execute verify.frequency in Liferay DXP 7.3
legacy How To
Issue The property verify.frequency was deprecated in Liferay DXP 7.3. Environment Liferay DXP 7.3. Resolution To check for available verify processes, go to Control Panel > System > Gogo shell and enter the...
Dependency manager sync timeout after waiting 60s
legacy Troubleshooting
Issue The following WARN can appear during the startup: WARN [http-nio-8080-exec-1][DependencyManagerSyncImpl:85] Dependency manager sync timeout after waiting 60s Environment Liferay DXP 7.2, 7.3 Resolution...