Capability

Personalization

Liferay provides powerful out-of-the-box features for building and delivering personalized experiences to users. Personalization features empower you to deliver novel site experiences that differ based on defined user segments, design and execute A/B Tests, and more.

Feature
Deployment Approach
Setting Up and Configuring MySQL Database With Liferay Portal
This article will help users by providing instructions for setting up MySQL on your machine, creating a new database, and then connecting Liferay Portal to that database. Resolution...
UDP Multicast Protocols and Firewalls
This article is designed to help system administrators troubleshoot a Liferay DXP instance deployed in a clustered environment. Some issues may arise because of too restrictive firewall settings (most, if not all, systems...
Migrating Tag Sets During the Upgrade Process From Liferay Portal 5.2 to 6.0
This article outlines the changes to Tags and Tag Sets between Liferay Portal 5.2 to Liferay Portal 6.0, and later versions. Specifically: The changes to the Tags Navigation Portlet (Where Did Tag Sets Go?) How to...
JBoss EAP vs. JBoss AS
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....
Liferay DXP 7.1 Database Portal Properties
This article is intended to provide a list of all the Liferay DXP 7.1 database properties that can be used to connect your DXP 7.1 installation to various databases. To use any of them, uncomment the block of code you...
Changes in Enabling serviceLocator Calls in Liferay DXP 7.0
This article documents a change in where to define serviceLocator properties in Liferay platforms; both in Portal and Digital Experience Platform (DXP). Developers familiar with this functionality in Portal 6.2 can...
DLFileRank Causes Deadlock or SQL Update Batch Errors
With DLFileRank enabled, Deadlock or SQL Update Batch Errors may happen due to DLFileRank updates. When using DLFileRank, unique constraints can be found due to the amount of writes...
Disabling Specific Built-In Portlets
Liferay comes equipped out-of-the-box with a variety of portlets that users may add to their page. For various reasons, however, an administrator may wish to remove some of these...
Before Opening a Portal Deployment Ticket
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 While the article is no longer maintained, the information may still be applicable. The following article outlines a short...
Deploying Xuggler on Windows 64 bit
Xuggler is a tool for users to encode and decode media files. Used in conjunction with Liferay Portal or Digital Enterprise 7.0, users can view media files on the Documents and Media...
Declining One Event of a Repeating Event Declines Every Repeating Event
This article documents how declining one event of a Repeating Event declines every repeating event. For example, if there is a weekly repeating event and a user declines that event in...
Upgrading to Liferay Portal 6.0 EE SP2
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. When upgrading to the latest Liferay...
Structures With Duplicate Element Names Fail DDM Verification When Upgrading
This article documents a known issue in which structures with duplicate element names fail Dynamic Data Mapping (DDM) verification when upgrading from Liferay Portal 6.1 to Liferay Portal 6.2 or Liferay Digital...
Upgrading to Liferay Portal 6.1 EE GA1
When upgrading to the latest version of Liferay Portal, there are many things to take into account. This guide is designed to assist in the upgrading process. Please read and ensure...
Apache Struts 1 Known Vulnerabilities
QUESTION: How are Liferay DXP 7.0 and 7.1, and Liferay Portal, affected by the following vulnerabilities? CVE-2016-1181: Arbitrary code execution, denial of service CVE-2016-1182: XSS and denial of service...
SQL Exception Warnings Appear During DXP Upgrade Indicating 'Fallback to recreating the table'
This article documents a false negative warning message that can occur when upgrading your Liferay platform, and which has caused some confusion amongst our users. During the Liferay DXP upgrade process, several WARN...
Fix Pack and Hotfix installation order on Liferay Portal EE
The order of fix pack and hotfix updates are determined by engineering in several ways. This order is hardcoded in the update. Environment Versions previous to Portal 6.2 SP11...
Inputting Initial S3 Configuration Settings on DXP 7.0
This article serves as a reference for how to configure Liferay Digital Experience Platform (DXP) to use Amazon Web Services S3. DXP users can leverage Amazon S3 in two key areas; to serve as a file store repository,...
Update Manager gives plugin update reminders for up to date plugins
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 article documents a known issue where...
System-ext.properties Reference Guide
This article serves as a reference guide for how to set system wide properties through the system-ext.properties file. Similar to the relationship between the portal.properties and portal-ext.properties files,...
Creating a Backup/Disaster Recovery Environment for Liferay Portal
This article gives an overview of a backup/disaster recovery environment that is necessary when starting a Liferay Portal project. This backup will often be referenced by Liferay Support Engineers as it is...
Issues With Setting Time Zone Settings on the JVM Level
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....
Apache Tomcat Security Advisory: CVE-2018-1336
General Information CVE-2018-1336 reports that, "an improper handing of overflow in the UTF-8 decoder with supplementary characters can lead to an infinite loop in the decoder causing a Denial of Service." This...
Setting Up Liferay Portal on a DB2 Database
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 article outlines steps on how to setup...
Moving Existing Data From an Old Liferay bundle to a New One
This article provides a checklist when you move your existing data from an old Liferay environment to a new one. Resolution For database, please backup the database in old environment and import it to the new environment....
Using the Data Migration Tool in Liferay DXP 7.1
This article documents how to use the data migration tool in the Server Administration section of Liferay Digital Experience Platform (DXP) 7.1. The Data Migration Tool allows administrators to migrate data quickly...
Upgrading to Liferay Portal 6.0 EE SP1
When upgrading to the latest Liferay Portal, there are many things to take into account. This guide is designed to assist in the upgrading process. Please read and ensure your...
Liferay Information for Common Application Servers
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. Resolution...
Document versioning won't display versions after 1.9 is entered
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. Upon...
Avoiding a Batch Error When Defining Friendly URLs
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...
Stopping Liferay DXP 7.0 LPKG Modules
This article documents which LPKG files can be disabled with little or no negative effects as part of Liferay's introduction of modularity in Liferay DXP 7.0. Because certain core functionalities have been turned into...
Understanding Languages in Liferay Portal
Liferay Portal is designed to handle as many languages as you want to support. This is done by pulling out all language specific text and storing it in the language.properties files....
Liferay DXP Javadocs
For developers, Liferay has created a set of documentation (Javadocs) that provide API and code detail for working with Liferay DXP's core software. To access the Javadocs, follow either one of the following...
Deploying Plugins via Administration Console
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. There are multiple application servers...
Anonymizing Data
Preserving anonymity of users when providing data to Liferay may be a concern for certain use-cases. The following guidelines should assist in determining which data should be anonymized and finding...
Managing Time Zones in DXP 7.0
This article documents how to change the time zone in your Liferay DXP 7.0 environment. Given that users are working with the Liferay platform from all over the world, it is important to have the ability to change...
Too Many CPU Intensive Tasks: A Common Performance Issue in DXP 7.0
This article documents a common performance issue related to running Too Many CPU Intensive Tasks within Liferay DXP 7.0. Continue reading to discover the necessary information about this issue and how to...
Setting Up the Liferay Platform on AWS EC2
This article is a guide to help users set up, install and cluster Liferay DXP 7.0 or 7.1 on AWS Elastic Compute Cloud (EC2).  Resolution EC2 Instance Set Up There are 2 kinds of EC2 instances: (1)...
Thread Contention: A Common Performance Issue in DXP 7.0
This article documents a common performance issue related to Thread Contention within Liferay DXP 7.0. Read below for the necessary information about this issue and how to navigate through it. Resolution...
Virtual Host Quick Guide
The official Apache Virtual Host Documentation states:  The term Virtual Host refers to the practice of running more than one web site (such as company1.example.com and company2.example.com) on a single machine....