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Determining the Page Count and Global References in a Site

Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products. Any implementation of these...

I would like to upgrade my portlets to Liferay DXP but can not find where XML Descriptors have been moved to

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Issue Upgrading from Liferay 6.2 to Liferay 7.0+ is a significant process. One of the changes implemented is the use of OSGi components. Several XML Descriptors have been converted to OSGi services. Environment...

Why does my portlet not have a version number after it is deployed?

legacy How To

Issue Deploying a .war portlet through the /liferay_home/deploy folder leads to the deployed portlet not having a version number in its file name. Environment Liferay DXP 7.0 de-33+ Liferay DXP 7.1 Resolution A...

DXP 7.1 Upgrade Reference Guide

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An upgrade to Liferay DXP 7.1 gives you access to the latest Liferay technology, complete with all of the newest features, and the assurance of continued support for your Liferay environment. Our Subscription Services...

DXP 7.0 Upgrade Reference Guide

legacy How To

An upgrade to Liferay DXP 7.0 gives you access to the latest Liferay technology, complete with all of the newest features, and the assurance of continued support for your Liferay environment. Our Subscription Services...

Liferay Marketplace Will Not Work Without Cookies Enabled

legacy Troubleshooting

If third-party cookies and site data are blocked then logging into marketplace through the control panel will not work and time out with an error on being unable to connect to the...

Updating to Liferay DXP 7.2 SP1 / Fix Pack 2 (or Above) from Liferay DXP 7.2 GA1 or Fix Pack 1

legacy How To

Issue When migrating from 7.2 GA1 or Fix Pack 1 to Liferay DXP 7.2 Fix Pack 2 (ie: SP1) or above, you will be required to run the upgrade tool after installing the patch. The reason for this is, SP1 and FP2 have...

How do I perform an integration test for customizations for Liferay DXP 7.1?

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Issue Our team would like to use the LiferayIntegrationTestRule and perform an integration test. How do we set up an integration test? Environment Liferay DXP 7.1 Resolution Liferay leaves the integration testing...

What HTTP METHODS/VERBS does Liferay DXP use?

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Issue Which HTTP Methods does Liferay DXP use? We would like to restrict HTTP traffic using a firewall and do not want to impact Liferay DXP functionalities. Environment Liferay DXP 7.0+ Resolution Liferay DXP...

Resolving a "The expression syntax is invalid" Error During the UpgradeDDMStructure Phase of the Liferay DXP Upgrade Process.

legacy Troubleshooting

This article describes a known issue in the Forms portlet when upgrading from DXP 7.0 to DXP 7.1+. During the upgrade, a validation error is thrown as follows: Unable to upgrade the visibility expression "equals(Options,...

Creating a Backup & Disaster Recovery Plan for Liferay Digital Experience Platforms

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This article gives an overview of a backup & disaster recovery environment that is necessary when starting a Liferay Digital Experience Platform (DXP) project. This backup will often be referenced by Liferay Support...

Changing the Log Time Zone Without Changing the JVM Time Zone

legacy How To

This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. This...

Limitation: Audience Targeting User Segment Cannot Use Physical Screen Size MDR

legacy Troubleshooting

This article documents a limitation when viewing content based on a User Segment in the Audience Targeting app that uses the Physical Screen Size attributes as a Mobile Device Rule. It was discovered that users could...

Starting Servers in the Correct Sequence

legacy How To

Issue What is the correct sequence to start up all servers during a restart? Environment DXP 7.0, 7.1 Resolution Sometimes it is necessary to restart some if not all of the servers that Liferay DXP runs on or is...

Disabling Calendar Email Notifications in DXP

legacy How To

Issue In Liferay Portal 6.1, calendar notifications could be disabled using portal-ext.properties In Liferay DXP 7.0+, these properties no longer exist Environment Liferay DXP 7.0+ Resolution NOTE:...

Preparing a Sybase Database for Liferay

legacy How To

Issue Are there any specific configurations needed when setting up a Sybase database to connect to a Liferay bundle? Environment Sybase 15.7, 16 Liferay Portal 6.1, 6.2 DXP 7.0, 7.1 Resolution Unlike other database...

Upgrade Tool Uses Wrong Version of Tomcat

legacy Troubleshooting

Issue When upgrading to Liferay DXP 7.0 or DXP 7.1 and using the SP1 + Tomcat bundle, the wrong version of Tomcat is suggested by the Upgrade Tool For 7.1 the bundle includes Tomcat 9.0.6, but the...

JDK Certification, Java TCK Compliance, and Liferay

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With the release of JDK11, Oracle's new Java SE Support Policy (also see here) brings changes to the Java Enterprise community. The following article outlines Liferay's approach concerning the certification of JDK...

Virtual Host Login/Logout Properties

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This article documents four portal properties that are often used to configure redirection URLs for users. The four descriptions below include the properties, their descriptions, and examples for: Configuring the...

DXP 7.3 Upgrade Reference Guide

legacy How To

An upgrade to Liferay DXP 7.3 gives you access to the latest Liferay technology, complete with all of the newest features, and the assurance of continued support for your Liferay environment. Our Subscription Services Team...

How to Install and Set up a Local Liferay DXP Instance on Windows or Mac (Video)

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Learn how to install and set up a local Liferay DXP instance for the first time. Windows Mac Additional Information Official Documentation: Installing Liferay Liferay Learning Youtube...

Installing Fix Packs and Hotfixes on Liferay DXP

legacy How To

This document has been updated and ported to Liferay Learn and is no longer maintained here. To install Fix Packs and hotfixes on Liferay DXP, customers must first download the latest...

If a Staging publication is on progress and the server is shut down, publication stays on queue and no further publications are possible

legacy Troubleshooting

Issue If a publication on staging is made and the server is shut down, the publication will stay on queue on start-up and, even if cancelled, no more staging publications can be made. The following java class stays...

JDK7 Concerns

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This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. JDK7 is...

Testing if Cluster Link is Working

legacy How To

Issue How can I test if the cluster link is connected and working? Environment DXP 7.x Portal 6.x Resolution There are two ways that this can be accomplished: 1. Manually test that the cache replication is working...

Installing Archived Modules From Liferay's Public Repository

legacy How To

This article is a how-to guide for locating, downloading and installing modules from Liferay’s public repository. Installing modules directly from Liferay’s public repository should be done if the module or application...

SQL Scripts Causing Duplicate Keys

legacy Troubleshooting

While using a new instance of the Liferay Portal, some environments may encounter the following error: ORA-01452: cannot CREATE UNIQUE INDEX; duplicate keys found Resolution This...

Deploying Activation Keys

legacy How To

This document has been updated and ported to Liferay Learn and is no longer maintained here. This article documents the basic instructions for how to deploy your Activation Key via the...

Using a Web Server With the Liferay Platform

legacy How To

This article documents which properties should be configured if a web server sits in front of Liferay. If you do not set the following properties, you may encounter one of these issues. There could be UI issues such as...

DXP 7.0 Database Portal Properties

legacy How To

This article is intended to provide a list of all the Liferay DXP 7.0 Database properties that can be used to connect your DXP 7.0 installation to various databases. To use any of them, uncomment the...

Setting up Session Replication in Tomcat With Liferay DXP

legacy How To

The purpose of this article is to provide an example of how to set up a basic Tomcat cluster that has session replication, using built-in Tomcat features. Please note: This example is provided as a courtesy. This...

Liferay Web Proxy Module for Digital Experience Platform 7.1

legacy How To

The Web Proxy Portlet allows web applications to be embedded within a portlet while keeping the user interaction within the portal context. The portlet is deprecated and was removed from Digital Experience Platform...

Taking Thread Dumps From a JVM

Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products....

Taking Heap Dumps From a JVM

legacy How To

Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products....

Permissions Are Not Working Post-Upgrade

legacy Troubleshooting

After upgrading from Liferay Portal 5.2, permissions settings may act in an undesirable manner. This could include not being able to change permissions, as well as not being able to access the control panel or any other...

Load Balancing Can Return Null

legacy Troubleshooting

When running Liferay with more than one node on a load balancer, sometimes, when generating urls for buttons, they can receive a incorrect url or sometimes a null value. Resolution...

Managing LDAP Settings Using .config Files

legacy How To

This document has been updated and ported to Liferay Learn and is no longer maintained here. This article documents how to configure LDAP settings using .config files instead of the Control Panel. There are a great...

Managing Distributed Cache in Liferay DXP

legacy How To

This document has been updated and ported to Liferay Learn and is no longer maintained here. This article documents the configuration options for managing distributed cache within Liferay Digital Experience...

Before Opening a Liferay Performance Ticket

legacy Troubleshooting

The following article outlines a short checklist of questions to ask and steps to take before opening a performance ticket. By taking a moment to go through this checklist before...

Application Server Times Out While Downloading/Uploading Documents

legacy Troubleshooting

When uploading documents larger than 3Mb via web call, an error may be thrown: 13:45:27,141 INFO [PortalImpl:4366] Current URL /documents/10162/179749/Certification+Tracking+Database+CSC+v2.0+Production.zip...

LDAP settings and upgrading from 5.2.x to 6.x

legacy Troubleshooting

This article pertains to portals in which LDAP is configured in Liferay Portal 5.2.x and an upgrade is performed. When a user attempts to login, an error is thrown, and the user is not...

Rolling Restart - Breaking Changes

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Introduction When applying fix packs or hotfixes, rolling restarts are possible if there are no changes to a specific set of clustering classes or no module schema version changes. The following document is a list of...

Changes in Liferay DXP Clustering

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This article documents several changes with the clustering feature that will take effect in Liferay Portal CE 7.0 and Digital Experience Platform 7.0. In addition, this article details changes that may affect...

Managing Distributed Cache in Liferay Portal EE

legacy How To

Liferay Support does not recommend or endorse specific third-party products over others. Liferay is not responsible for any instructions herein or referenced regarding these products. Any implementation of these...

Installing Liferay Portal in a Clustered Environment

legacy How To

Many enterprise environments utilize clustering for both scalability and availability. This article provides specific instructions for installing a basic configuration of Liferay Portal in a pre-existing clustered...

Performance Issue for Thread Counts While Processing JSP files

legacy Troubleshooting

This article is designed to help administrators tune performance in Liferay DXP 7.0 when the active thread count approaches the maximum allowed thread count. The reason for this performance issue is because the values...

Including portal-ext.properties in Help Center Tickets

legacy How To

One of the most important pieces of information when resolving a customer issue is the portal-ext.properties file for your environment. It is now possible to upload the portal-ext.properties file before opening a...

Transactional Cache or Blocking Portal Cache Causes the Portal to Hang

legacy Troubleshooting

This article serves as a troubleshooting guide. During a thread dump, your server may hang indefinitely due to the blocking portal cache. Blocking portal cache is one of the caches...

Carousel Portlet Prevents Ehcache Plugin From Loading With a 'ClassNotFoundException'

legacy Troubleshooting

This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. This...

Resolving 'BadPaddingExceptions' in the Console Logs

legacy Troubleshooting

This article addresses a situation where customers might encounter a BadPaddingException in the logs. This occurs if customers have two instances on the same domain; when a user tries to access another instance on the...

Common Upgrade Errors for Liferay DXP

legacy Troubleshooting

This article documents the common configuration errors you may encounter while upgrading to Liferay Digital Experience Platform (DXP), versions 7.0 or 7.1. Read below to discover the steps you can take to resolve these...

Cluster Nodes Are Not Connected When Using Jdbc_Ping on an Oracle Database

legacy Troubleshooting

This article documents a solution if subscribers are using an Oracle database and using JDBC_ping as the discovery protocol in a clustered environment. The issue is that the JGroup's default initialize_sql value is...

Testing JSON Web Services in Liferay

legacy How To

This article documents the new implementation of JavaScript Object Notation (JSON) web services in Liferay Portal 6.1.x to test API methods. The only limitation is that to test any methods they must go through JSON. A...

Setting Up Liferay WAR on Tomcat 7

legacy How To

This article describes how to set up Liferay Portal 6.1 EE or Liferay Portal 6.2 EE using Windows and MySQL 5.x on Apache Tomcat 7.x. Resolution 1. Gather the Necessary Files Download...

Cannot Obtain Lock During Startup on DXP 7.0

legacy Troubleshooting

In some cases, JGroups may not get a response when trying to bind to an address. In this case, an exception like the following can be thrown: 05:50:53,559 ERROR [Framework Event Dispatcher: Equinox Container:...

Quick Start Guide to SAML on Liferay Portal 6.1 EE GA3

legacy How To

This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. If you are working with a Liferay Portal...

User's group membership not updating with LDAP after upgrading to Liferay Portal 6.0 EE SP2

legacy Troubleshooting

This article is a legacy article. It applies to previous versions of the Liferay product. While the article is no longer maintained, the information may still be applicable. Beginning in Liferay 6.0 EE SP2, the...

High Priority Issue Checklist

legacy Troubleshooting

This article provides a brief checklist of items to run through when your server is frozen, or goes down entirely. Collecting this information before opening a support ticket is a...

Before Opening an Upgrade Ticket

legacy How To

The following article outlines a short checklist of questions to ask and steps to take before opening an upgrade ticket. By taking a moment to go through this checklist before opening a request, you are ensuring the...

Error when going to Portal Settings After Upgrading to Liferay Portal 6.1

legacy Troubleshooting

After an upgrade to Portal 6.1 EE GA1 when clicking on Control Panel > Portal settings, an error pops up: 11:53:46,699 ERROR [BeanPropertiesImpl:480] jodd.bean.BeanException: Simple property not found: hostname...

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