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Issue After setting up a CDN for static resources, buttons and other dynamic features stop working and fail to load, including JavaScript, CSS, and images.  Browser console displays Cross-Origin Resource Sharing (CORS) errors when trying to access CDN resources: Access to XMLHttpRequest...

NOTE This article was machine-translated and may contain translation errors. Please use the feedback button to report any issues. Issue Liferay's database transaction counter function seems to increase by 100 after each system restart. Environment DXP 7.0+ Resolution When Liferay stores...

Issue When a Content Delivery Network (CDN) is configured using the cdn.host.http and cdn.host.https properties in the portal-ext.properties file, the icons in the CKEditor 5 toolbar fail to load in Web Content articles. The browser's developer console may show errors related to...

Issue Liferay DXP reports more cores than we expect. For example: A machine has 4 physical cores in the CPU. However Liferay DXP is reporting 8 cores on the <domain>/c/portal/license page. Alternately: we assigned a VM/Container 2 vCPUs, however Liferay DXP is reporting 4 cores on the...

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...

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,...

Installing Earlier Liferay Versions on WebLogic Liferay DXP 2025.Q2/Portal 2025.Q1 or below If you are using WebLogic as your application server, it is highly recommended to install DXP to a...

Installing Liferay on WebLogic Liferay DXP 2026.Q1 If you are using WebLogic as your application server, it is highly recommended to install DXP to a WebLogic Managed server. A managed server can...

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...

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...

Enabling LibreOffice / OpenOffice Integration LibreOffice and OpenOffice are open source productivity suites that you can integrate with Liferay. By default Liferay includes PDFBox, which generates...

Installing Earlier Liferay Versions on WebSphere Liferay DXP 2024.Q1/Portal GA112 or below Compatibility with IBM WebSphere application server has been removed in 2024.Q2 and later releases. ...

Issue When starting Liferay DXP, this error appears in the logs: ERROR [main][VerifyProperties:138] Portal property "session.timeout.auto.extend" was modularized to com.liferay.frontend.js.web as "auto-extend"...

Configuring External Services Liferay provides integration with external services for converting files and generating file previews. Three of these services can be enabled in the Server...

Google Cloud Storage Self-Hosted Only Liferay DXP 7.3 SP3+ and 7.4+ Liferay DXP provides integration with Google's Cloud Storage (GCS) service. With GCS integration, you can seamlessly store and...

Authenticating with CAS (Central Authentication Service) CAS was deprecated as of Liferay DXP 7.2 and removed as of Liferay DXP 7.4. Please use SAML instead. CAS is a widely used open source...

Amazon Simple Storage Service Self-Hosted Only Amazon Simple Storage Service (S3) is a cloud-based storage solution that Liferay DXP's S3 Store uses to keep Documents and Media files in the cloud....

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...

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...

Checking Production Readiness Liferay DXP 2026.Q3+ The Production Readiness tab on the Server Administration page reports how your running instance's configuration compares against Liferay's...