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 While the article is no longer maintained, the information may still be applicable.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 While the article is no longer maintained, the information may still be applicable.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

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 that allow users to deploy plugins via an administration console of some...

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 where 'sensitive' data can be located on Liferay's database. Resolution Create a SQL...

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 the time zone. You can do this at two different levels; the individual...

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 navigate through it.  The following are some of the more common causes and...

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) EC2-classic and (2) EC2-VPC. Please refer to Amazon's documentation for more detailed...

問題 変更リスト上で「変更の破棄」を行った際に、データベース上のレコード：”AssetEntry.title”が更新されません。 環境 DXP 7.4 Quarterly Release 解決 この動作は、フレームワークの制限となります。 ワークアラウンドとして、以下の二点が考えられます。 ・当該Webコンテンツ自体を削除して、再作成 ・変更リストを通じて破棄するのではなく、Web コンテンツの「履歴の参照」経由でバージョンを破棄  , knowledgeArticleType: troubleshooting, legacy: true, name:...