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This article documents a known issue when updating to Liferay DXP 7.0 Fix Pack 37 or higher. During the update process, the following error exists in the console: java.lang.RuntimeException: com.liferay.portal.kernel.upgrade.UpgradeException:...

This article documents a known issue when applying a Liferay Support Driven Hotfix built off either DXP 7.0 Fix Pack 41 or Fix Pack 42. Due to an error generating the release notes, the documentation.xml file in Fix Packs 41 and 42 contains an invalid list of fixed issues. As a result, a...

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 principles is the responsibility of the subscriber.  This article is a guide...

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 Installing MySQL Double click the MySQL version that you have obtained, either workbench or 5.1+ are...

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 are protected by a firewall). And if certain ports are not opened...

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 migrate Tags to Categories and Tag Sets to Vocabularies. Resolution 1. The...

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 principles is the responsibility of the subscriber. One commonly asked...

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 need, and paste it into your portal-ext.properties file. For example,...

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 enable or disable this property to allow specific calls in Freemarker or...

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 that are done to the database. Many times it is helpful to take a look at the constraint that is causing...

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 portlets from the pool of available portlets. Fortunately, this can be achieved either in the control panel...

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 portlet. The integration with Liferay is a .jar file downloadable from the Control Panel. There is a...

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 the third week—every repeating event is then declined. When you select Event Details, the option 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. When upgrading to the latest Liferay Portal, there are many things to take into account. This guide is designed to...

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 Experience Platform 7.0 or 7.1. For customers who are upgrading their Liferay...

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 your environment is ready prior to performing the upgrade. Resolution These instructions should be used if...

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 CVE-2012-1007: Multiple cross-site scripting vulnerabilities CVE-2015-0899: Remote...

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 messages are issued with an SQL exception such as follows: 11:01:50,141...

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 Resolution General Guidelines: The general order of installation is: Fix-Packs and Security Updates before...

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, and to manage clustering. Regardless of which usage, there are three...