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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 While the article is no longer maintained, the information may still be applicable.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...

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 administrators may receive the message "Updates are available for...

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, administrators can affect system wide changes in the system.properties by...

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 crucial to have a stable and working backup of the production environment to...

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 vulnerability is reported in the following versions: Apache Tomcat 9.0.0.M9...

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 a DB2 connection with Liferay Portal. This article use properties set...

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. For documents, they are stored...

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 between Documents and Media repository to another, such as moving from...

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 environment is ready prior to performing the upgrade. Resolution These are listed in order of what should be...

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   Tomcat JBoss Weblogic Websphere Glassfish WEB-INF Folder ${TOMCAT_HOME}/webapps/ROOT...

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 updating a document to the 10th version, you may see an error similar to this: ERROR...

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 have a user that has a friendly URL page like "myca" and that user tries to join the user group that also...